n
INTERNATIONAL BACCALAUREATE ORGANIZATION
CHEMISTRY DATA BOOKLET
March 2003
To be used in the teaching and examination of
Diploma Programme chemistry
Valid for examination sessions from May 2003
Chemistry Data Booklet
First published August 2001
Reprinted with minor corrections March 2003
© International Baccalaureate Organization 2001
Organisation du Baccalauréat International
Route des Morillons 15
Grand-Saconnex, Genève
CH-1218
SWITZERLAND
Notes
This booklet cannot be used for paper 1 of the examination (HLP1 and SLP1), but the
periodic table given on page 4 will be available as part of these examination papers. Clean
copies of this booklet must be made available to candidates for papers 2 and 3 (HLP2, HLP3,
SLP2 and SLP3).
Contents
1.
Some Relevant Equations
2
2.
Physical Constants
2
3.
Fundamental Particles
2
4.
Names of the First 103 Elements
3
5.
The Periodic Table
4
6.
Melting Points and Boiling Points of the Elements
5
7.
First Ionization Energy, Electron Affinity and Electronegativity of the Elements
6
8.
Atomic and Ionic Radii of the Elements
7
9.
Covalent Bond Lengths
8
10.
Average Bond Enthalpies at 298 K
8
11.
Organic Compounds—Thermodynamic Data
9
12.
Ellingham Diagram
10
13.
Enthalpies of Combustion
11
14.
Lattice Enthalpies at 298 K (Experimental and Theoretical Values)
12
15.
Standard Electrode Potentials
13
16.
Strengths of Organic Acids and Bases
14
17.
Acid–base Indicators
15
18.
Infrared Data
16
19.
1
H NMR Data
17
20.
2-amino Acids
18
21.
Structural Formulas of Some Important Medicines and Drugs
20
22.
Structural Formulas of Some Important Biological Molecules
22
1. Some Relevant Equations
E = hf
E = mc 2
∆ G 0 = ∆H 0 − T ∆ S 0
PV
PV
1 1
= 2 2
T1
T2
t
1
2
=
0.693
k
k = Ae
log10
− Ea
RT
[ A] = [ A]o e− kt
ln k = −
or
ln
Io
= ∈lc
I
Ea
+ ln A
RT
[ A]o
[ A]
= kt
2. Physical Constants
Avogadro’s constant (L) = 6.02 × 1023 mol-1
Gas constant (R) = 8.31 J K-1 mol-1
Molar volume of an ideal gas at 273 K, 1.01 × 105 Pa = 2.24 × 10-2 m3 mol-1 (22.4 dm3 mol-1)
Speed of light in a vacuum (c) = 3.00 × 108 m s-1
Planck constant (h) = 6.63 × 10-34 J s
Specific heat capacity of water = 4.18 kJ kg-1 K-1 ( = 4.18 J g-1 K-1)
Ionic product constant for water (Kw) = 1.00 × 10-14 mol2 dm-6 at 298 K
(1 atm = 1.01 × 105 Pa)
(1 dm3 = 1 litre = 1 × 10-3 m3 = 1 × 103 cm3)
3. Fundamental Particles
Proton
2
Neutron
Electron
Mass/kg
1.672648 × 10-27
1.674954 × 10-27
9.109534 × 10-31
Charge/C
1.602189 × 10-19
0
1.602189 × 10-19
IB Diploma Programme: Chemistry Data Booklet, March 2003
4. Names of the First 103 Elements
Element
actinium
aluminium
americium
antimony
argon
arsenic
astatine
barium
berkelium
beryllium
bismuth
boron
bromine
cadmium
caesium
calcium
californium
carbon
cerium
chlorine
chromium
cobalt
copper
curium
dysprosium
einsteinium
erbium
europium
fermium
fluorine
francium
gadolinium
gallium
germanium
gold
hafnium
helium
holmium
hydrogen
indium
iodine
iridium
iron
krypton
lanthanum
lawrencium
lead
lithium
lutetium
magnesium
manganese
mendelevium
Symbol
Atomic
Number
Element
Symbol
Atomic
Number
Ac
Al
Am
Sb
Ar
As
At
Ba
Bk
Be
Bi
B
Br
Cd
Cs
Ca
Cf
C
Ce
Cl
Cr
Co
Cu
Cm
Dy
Es
Er
Eu
Fm
F
Fr
Gd
Ga
Ge
Au
Hf
He
Ho
H
In
I
Ir
Fe
Kr
La
Lr
Pb
Li
Lu
Mg
Mn
Md
89
13
95
51
18
33
85
56
97
4
83
5
35
48
55
20
98
6
58
17
24
27
29
96
66
99
68
63
100
9
87
64
31
32
79
72
2
67
1
49
53
77
26
36
57
103
82
3
71
12
25
101
mercury
molybdenum
neodymium
neon
neptunium
nickel
niobium
nitrogen
nobelium
osmium
oxygen
palladium
phosphorus
platinum
plutonium
polonium
potassium
praseodymium
promethium
protactinium
radium
radon
rhenium
rhodium
rubidium
ruthenium
samarium
scandium
selenium
silicon
silver
sodium
strontium
sulfur
tantalum
technetium
tellurium
terbium
thallium
thorium
thulium
tin
titanium
tungsten
uranium
vanadium
xenon
ytterbium
yttrium
zinc
zirconium
Hg
Mo
Nd
Ne
Np
Ni
Nb
N
No
Os
O
Pd
P
Pt
Pu
Po
K
Pr
Pm
Pa
Ra
Rn
Re
Rh
Rb
Ru
Sm
Sc
Se
Si
Ag
Na
Sr
S
Ta
Tc
Te
Tb
Tl
Th
Tm
Sn
Ti
W
U
V
Xe
Yb
Y
Zn
Zr
80
42
60
10
93
28
41
7
102
76
8
46
15
78
94
84
19
59
61
91
88
86
75
45
37
44
62
21
34
14
47
11
38
16
73
43
52
65
81
90
69
50
22
74
92
23
54
70
39
30
40
IB Diploma Programme: Chemistry Data Booklet, March 2003
3
4
IB Diploma Programme: Chemistry Data Booklet, March 2003
(226)
(223)
†
‡
‡
†
(227)
Ac
89
138.91
La
57
88.91
Y
22
91
Pa
231.04
90
232.04
140.91
140.12
Th
59
Pr
58
180.95
Ta
73
92.91
Nb
41
50.94
V
23
Ce
178.49
Hf
72
91.22
Zr
40
47.90
Ti
238.03
U
92
144.24
Nd
60
183.85
W
74
95.94
Mo
42
52.00
Cr
24
Atomic Mass
Element
Atomic Number
IB Diploma Programme Chemistry Data Booklet, August 2001
88
Ra
87
137.34
132.91
Fr
56
Ba
55
Cs
87.62
85.47
39
38
Sr
37
Rb
44.96
40.08
39.10
21
Sc
20
Ca
K
24.31
22.99
19
12
Mg
9.01
6.94
11
Be
Li
Na
4
2
3
1.01
H
1
1
25
(237)
Np
93
146.92
Pm
61
186.21
Re
75
98.91
Tc
43
54.94
Mn
(244)
Pu
94
150.35
Sm
62
190.21
Os
76
101.07
Ru
44
55.85
Fe
26
(243)
Am
95
151.96
Eu
63
192.22
Ir
77
102.91
Rh
45
58.93
Co
27
(247)
Cm
96
157.25
Gd
64
195.09
Pt
78
106.42
Pd
46
58.71
Ni
28
(247)
Bk
97
158.92
Tb
65
196.97
Au
79
107.87
Ag
47
63.55
Cu
29
5. The Periodic Table
30
(251)
Cf
98
162.50
Dy
66
200.59
Hg
80
112.40
Cd
48
65.37
Zn
4
(254)
Es
99
164.93
Ho
67
204.37
Tl
81
114.82
In
49
69.72
Ga
31
26.98
Al
13
10.81
B
5
3
(257)
Fm
100
167.26
Er
68
207.19
Pb
82
118.69
Sn
50
72.59
Ge
32
28.09
Si
14
12.01
C
6
4
(258)
Md
101
168.93
Tm
69
208.98
Bi
83
121.75
Sb
51
74.92
As
33
30.97
P
15
14.01
N
7
5
(259)
No
102
173.04
Yb
70
(210)
Po
84
127.60
Te
52
78.96
Se
34
32.06
S
16
16.00
O
8
6
(222)
(210)
(260)
Lr
103
174.97
Lu
71
Rn
86
131.30
Xe
54
83.80
Kr
36
39.95
Ar
18
20.18
Ne
10
4.00
He
2
0
At
85
126.90
I
53
79.90
Br
35
35.45
Cl
17
19.00
F
9
7
IB Diploma Programme: Chemistry Data Booklet, March 2003
2125
Zr
3104
1780
Y
3611
1194
3730
1320
Mg
1363
1112
Ca
1757
1042
Sr
1657
983
Ba
2023
973
Ra
1413
Na
1156
337
K
1047
312
Rb
961
302
Cs
952
300
Fr
950
3470
Ac
La
5470
Hf
2503
4650
3560
Ti
922
371
Sc
3243
1600
1933
Be
Li
1814
1551
454
20
H
14
Diploma Programme: Chemistry Data Booklet, March 2003
5
5698
Ta
3269
5015
5930
W
3680
4885
Mo
2890
2741
Nb
2755
Cr
2130
3650
V
1973
B.pt/K
Element
M.pt/K
5900
Re
3453
5150
Tc
2445
2235
Mn
1517
5300
Os
3327
4173
Ru
2583
3023
Fe
1808
4403
Ir
2683
4100
Pt
2045
3413
3080
Au
630
Hg
234
1730
Tl
577
2353
1038
2485
4000
1338
In
Cd
Ag
Rh
Pd
429
594
1235
2239
1825
2676
1180
2840
Ga
Zn
3005
303
693
3143
Cu
1357
Ni
1726
Co
1768
2740
Al
239
718
2013
Pb
1833
Bi
545
2023
2543
601
Sb
Sn
202
Rn
211
575
At
610
527
1235
Po
166
Xe
161
121
Kr
458
I
387
332
Br
117
87
Ar
84
27
Ne
25
4
He
1
1263
Te
723
904
505
Se
266
Cl
S
490
172
85
F
54
392
958
As
889
553
P
317
90
O
55
3103
Ge
1211
2628
Si
1683
77
5100
3931
936
N
C
B
63
4100
2573
6. Melting Points and Boiling Points of the Elements
6
IB Diploma Programme: Chemistry Data Booklet, March 2003
0.9
0.7
1.1
Ac
669
1.1
La
540
1.2
Y
636
1.3
Sc
632
1.3
Hf
531
1.4
Zr
669
1.5
Ti
661
1.5
Ta
760
1.6
Nb
653
1.6
V
648
Electron
affinity /
kJ mol -1
1.7
W
770
1.8
Mo
694
1.6
Cr
653
1.9
Re
762
1.9
Tc
699
1.5
Mn
716
Electronegativity
Element
First ionization
energy / kJ mol -1
IB Diploma Programme Chemistry Data Booklet, August 2001
Ra
Fr
510
0.9
0.7
381
Ba
Cs
502
1.0
0.8
376
Sr
Rb
548
1.0
402
Ca
K
0.8
590
1.2
0.9
418
Mg
Na
736
1.5
494 -71
Be
Li
900
1.0
519 -52
2.1
H
1310 -72
2.2
Os
841
2.2
Ru
724
1.8
Fe
762
2.2
Ir
887
2.2
Rh
745
1.8
Co
757
2.2
Pt
866
2.2
Pd
803
1.8
Ni
736
2.4
Au
891
1.9
Ag
732
1.9
Cu
745
1.9
Hg
1010
1.7
Cd
866
1.6
Zn
908
6
1.8
Tl
590
1.7
In
556
1.6
Ga
577
1.5
Al
577 -47
2.0
B
799 -29
1.8
Pb
716
1.8
Sn
707
1.8
Ge
762
1.8
Si
786 -180
2.5
C
1090 -120
1.9
Bi
703
1.9
Sb
833
2.0
As
966
2.1
P
1060 -70
3.0
N
1400 -3
2.0
Po
812
2.1
Te
870
2.4
Se
941
2.5
2.2
At
920
2.5
I
1010 -314
2.8
Br
1140 -342
3.0
Cl
1260 -364
1000 -200
(S- +532)
S
4.0
F
1680 -348
3.5
O
1310 -142
(O- +844)
7. First Ionization Energy, Electron Affinity and Electronegativity of the Elements
Rn
1040
Xe
1170
Kr
1350
Ar
1520
Ne
2080
He
2370
IB Diploma Programme: Chemistry Data Booklet, March 2003
Fr
Ra
220
34 (2+)
167 (1+)
270
Ba
217
262
Cs
110 (2+)
148 (1+)
215
244
Sr
94 (2+)
133 (1+)
Rb
Ca
197
231
K
65 (2+)
98 (1+)
160
186
Mg
30 (2+)
68 (1+)
Na
Be
112
Li
152
154 (1-)
H
30
Ac
200
115 (3+)
La
188
93 (3+)
Y
180
81 (3+)
Sc
160
81 (4+)
Hf
157
80 (4+)
Zr
157
90 (2+)
68 (4+)
Ti
146
Diploma Programme: Chemistry Data Booklet, March 2003
7
73 (5+)
Ta
143
70 (5+)
Nb
141
88 (2+)
59 (5+)
V
131
Ionic
radius/
10-12 m
Cr
125
68 (4+)
W
137
68 (4+)
Mo
136
63 (3+)
Element
Atomic
radius/
10-12 m
Re
137
Tc
135
80 (2+)
60 (4+)
Mn
129
67 (4+)
Os
134
65 (4+)
Ru
133
76 (2+)
64 (3+)
Fe
126
66 (4+)
Ir
135
86 (2+)
Rh
134
74 (2+)
63 (3+)
Co
125
Pt
138
Pd
138
72 (2+)
Ni
124
Hg
127 (1+)
110 (2+)
Au
152
97 (2+)
Cd
137 (1+)
85 (3+)
144
126 (1+)
Ag
149
74 (2+)
144
Zn
Cu
133
96 (1+)
69 (2+)
128
88
95 (3+)
Tl
171
81 (3+)
In
166
62 (3+)
Ga
141
45 (3+)
Al
143
16 (3+)
B
8. Atomic and Ionic Radii of the Elements
Ge
Pb
120 (2+)
84 (4+)
120 (3+)
Bi
170
245 (3-)
175
Sb
Sn
141
222 (3-)
As
112 (2+)
71 (4+)
162
53 (4+)
272 (4-)
121
212 (3-)
122
P
Si
110
171 (3-)
N
70
42 (4+)
271 (4-)
117
260 (4-)
C
77
Po
140
222 (2-)
Te
137
202 (2-)
Se
117
190 (2-)
S
104
146 (2-)
O
66
At
140
219 (1-)
I
133
196 (1-)
Br
114
181 (1-)
Cl
99
133 (1-)
F
58
Rn
Xe
Kr
Ar
Ne
He
9. Covalent Bond Lengths
Bond
H–H
C–C
C=C
ChC
C–C (in benzene)
Si–Si
N–N
N=N
Nh N
P–P (P4)
O–O
O=O
S–S (S8)
S=S
F–F
Cl–Cl
Br–Br
I–I
Bond length
/nm
0.074
0.154
0.134
0.120
0.139
0.235
0.146
0.120
0.110
0.221
0.148
0.121
0.207
0.188
0.142
0.199
0.228
0.267
Bond
Bond length
/nm
C–H
Si–H
N–H
P–H
O–H
S–H
F–H
Cl–H
Br–H
I–H
0.109
0.146
0.101
0.142
0.096
0.135
0.092
0.128
0.141
0.160
C–O
C=O
C–O (in phenol)
C–N
C=N
ChN
C–N (in phenylamine)
C–F
C–Cl
C–Cl (in chlorobenzene)
C–Br
C–I
0.143
0.122
0.136
0.147
0.127
0.116
0.135
0.138
0.177
0.169
0.193
0.214
Si–O
0.150
10. Average Bond Enthalpies at 298 K
Bond
H–H
D–D
C–C
C=C
ChC
C–C (benzene)
Si–Si
Ge–Ge
Sn–Sn
N–N
N=N
Nh N
P–P
O–O
O=O
S–S
F–F
Cl–Cl
Br–Br
I–I
8
∆H / kJ mol-1
436
442
348
612
837
518
226
188
151
163
409
944
172
146
496
264
158
242
193
151
Bond
∆H / kJ mol-1
C–H
Si–H
N–H
P–H
O–H
S–H
F–H
Cl–H
Br–H
I–H
412
318
388
322
463
338
562
431
366
299
C–O
C=O
C–N
C=N
ChN
C–F
C–Cl
C–Br
C–I
360
743
305
613
890
484
338
276
238
Si–O
374
IB Diploma Programme: Chemistry Data Booklet, March 2003
11. Organic Compounds—Thermodynamic Data
Substance
methane
ethane
propane
butane
pentane
hexane
ethene
propene
but-1-ene
cis-but-2-ene
trans-but-2-ene
ethyne
propyne
buta-1,3-diene
cyclohexane
benzene
benzene
methylbenzene
ethylbenzene
phenylethene
chloromethane
dichloromethane
trichloromethane
bromomethane
tribromomethane
iodomethane
triiodomethane
chloroethane
bromoethane
iodoethane
chloroethene
1,2-dichloroethane
chlorobenzene
methanol
methanol
ethanol
ethanol
phenol
methanal
ethanal
propanone
methanoic acid
ethanoic acid
benzoic acid
ethyl ethanoate
ethanamide
methylamine
ethylamine
urea
Formula
CH4
C2H6
C3H8
C4H10
C5H12
C6H14
C2H4
C3H6
C4H8
C4H8
C4H8
C2H2
C3H4
C4H6
C6H12
C6H6
C6H6
C6H5CH3
C6H5CH2CH3
C6H5CHCH2
CH3Cl
CH2Cl2
CHCl3
CH3Br
CHBr3
CH3I
CHI3
C2H5Cl
C2H5Br
C2H5I
C2H3Cl
CH2ClCH2Cl
C6H5Cl
CH3OH
CH3OH
C2H5OH
C2H5OH
C6H5OH
HCHO
CH3CHO
(CH3)2CO
HCOOH
CH3COOH
C6H5COOH
CH3COOC2H5
CH3CONH2
CH3NH2
C2H5NH2
CO(NH2)2
State
∆Hf0 / kJ mol-1
∆Gf0 / kJ mol-1
S0 / J K-1 mol-1
g
g
g
g
g
g
g
g
g
g
g
g
g
g
l
g
l
g
g
g
g
l
l
g
l
l
s
g
l
l
g
l
g
g
l
g
l
s
g
g
g
l
l
s
l
s
g
g
s
-75
-85
-104
-125
-146
-167
52
20
1
-6
-10
227
185
112
-156
83
49
50
30
148
-82
-117
-132
-36
-20
-8
141
-105
-85
-31
31
-166
52
-201
-239
-235
-278
-163
-116
-166
-216
-409
-487
-385
-481
-320
-28
-49
-333
-51
-33
-24
-16
-8
0
68
63
72
67
64
209
194
152
27
130
125
122
131
214
-59
-63
-72
-26
3
20
186
230
270
310
348
387
219
267
307
301
296
201
248
279
204
269
173
320
360
345
234
179
203
246
222
163
-53
276
52
-80
99
-162
-166
-169
-175
-51
-110
-134
-152
-346
-392
-245
264
208
314
238
127
282
161
146
219
266
295
129
160
167
28
37
-47
242
285
105
IB Diploma Programme: Chemistry Data Booklet, March 2003
9
12. Ellingham Diagram
Standard Gibbs free energy changes of formation, ∆G0f , for oxides given per mole of oxygen gas
as a function of temperature.
∆Gf0 / kJmol −1
0
O2 d
4Ag+
Ag
+
2Hg
Hg
2H
Od
O
2Ag 2
gO
2
– 200
O
2 P b+
C
2
d 2 Pb
O
2Fe+O
– 400
O2
d 2C
O
+
2CO ZnO
2
O2 d
2
CO
+
2Zn 2
Zn
Cr
d 2FeO
C+O 2 → CO 2
Pb
C
Fe
– 600
2
4
–3
Cr+
–3 Cr
Od
2
O
2C+
O2 d
3
2
2 CO
O2
d Ti
O
Ti+
2
– 800
Ti
d
+O 2
4
– Al
3
Al 2O
2
–3
3
– 1000
Al
Mg
– 1200
Ca
2M
g+O
2
d2
+
2Ca
500
O
Mg
aO
d 2C
O
2
1000
1500
2000
2500
Temperature / K
10
IB Diploma Programme: Chemistry Data Booklet, March 2003
IB Diploma Programme: Chemistry Data Booklet, March 2003
11
H2
S
C
C
CO
CH4
C2H6
C3H8
C4H10
C5H12
C6H14
C8H18
C6H12
C2H4
C4H6
C2H2
C6H6
C6H5CH3
C10H8
C14H10
C2H5Cl
C2H5Br
C2H5I
C6H5CH2Cl
CHCl3
CH3OH
C2H5OH
Formula
IB Diploma Programme: Chemistry Data Booklet, March 2003
hydrogen
sulfur
carbon (graphite)
carbon (diamond)
carbon monoxide
methane
ethane
propane
butane
pentane
hexane
octane
cyclohexane
ethene
buta-1,3-diene
ethyne
benzene
methylbenzene
naphthalene
anthracene
chloroethane
bromoethane
iodoethane
(chloromethyl)benzene
trichloromethane
methanol
ethanol
Substance
g
s
s
s
g
g
g
g
g
g
l
l
l
l
g
g
g
l
l
s
s
g
g
l
l
l
l
State
0
-286
-297
-394
-395
-283
-890
-1560
-2220
-2877
-3509
-4194
-5512
-3924
-1409
-2542
-1299
-3273
-3909
-5157
-7114
-1325
-1425
-1490
-3709
-373
-715
-1371
∆H 0c / kJ mol-1
propan-1-ol
butan-1-ol
phenylmethanol
cyclohexanol
phenol
ethoxyethane
methanal
ethanal
benzaldehyde
propanone
pentan-3-one
phenylethanone
diphenylmethanone
methanoic acid
ethanoic acid
benzoic acid
ethanedioic acid
ethyl ethanoate
ethanamide
benzamide
methylamine
ethylamine
phenylamine
nitrobenzene
urea
glucose
sucrose
Substance
C3H7OH
C4H9OH
C6H5CH2OH
C6H11OH
C6H5OH
(C2H5)2O
HCHO
CH3CHO
C6H5CHO
(CH3)2CO
(C2H5)2CO
CH3COC6H5
(C6H5)2CO
HCOOH
CH3COOH
C6H5COOH
(COOH)2
CH3COOC2H5
CH3CONH2
C6H5CONH2
CH3NH2
C2H5NH2
C6H5NH2
C6H5NO2
CO(NH2)2
C6H12O6
C12H22O11
Formula
1
1
l
s
s
l
g
l
l
l
l
s
s
l
l
s
s
l
s
s
g
g
l
l
s
s
s
State
-2010
-2673
-4056
-3727
-3064
-2727
-561
-1167
-3520
-1786
-3078
-4138
-6512
-263
-876
-3227
-246
-2246
-1182
-3546
-1072
-1709
-3397
-3094
-634
-2816
-5644
∆H 0c / kJ mol-1
The values of the molar enthalpy of combustion (∆H c ) in the following table refer to a temperature of 298 K and a pressure of 1.01 × 105 Pa (1 atm).
13. Enthalpies of Combustion
11
14. Lattice Enthalpies at 298 K (Experimental and Theoretical Values)
0
The lattice enthalpy (∆H lattice
) values given relate to the endothermic process MX(s) → M + (g) + X − (g)
in which the gaseous ions of a crystal are separated to an infinite distance from each other.
Experimental Values
The data in these two tables are experimental values obtained by means of a suitable Born–Haber cycle.
0
/ kJ mol-1
∆H lattice
Alkali metal halides
Li
Na
K
Rb
Cs
Other substances
CaF2
BeCl2
MgCl2
CaCl2
SrCl2
BaCl2
MgO
CaO
SrO
BaO
F
Cl
Br
I
1022
902
801
767
716
846
771
701
675
645
800
733
670
647
619
744
684
629
609
585
0
∆H lattice
/ kJ mol-1
2602
3006
2493
2237
2112
2018
3889
3513
3310
3152
0
/ kJ mol-1
∆H lattice
Other substances
MgS
CaS
SrS
BaS
CuCl
AgF
AgCl
AgBr
AgI
NH4Cl
3238
2966
2779
2643
976
955
905
890
876
640
Theoretical Values
These two tables contain lattice enthalpies calculated from electrostatic principles on the basis of
a purely ionic model for the crystal.
0
/ kJ mol-1
∆H lattice
Alkali metal halides
Li
Na
K
Rb
Cs
Other substances
CaF2
MgO
CaO
SrO
BaO
12
F
Cl
Br
I
1004
891
795
761
728
833
766
690
674
636
787
732
665
644
611
728
686
632
607
582
0
/ kJ mol-1
∆H lattice
2611
3929
3477
3205
3042
Other substances
AgF
AgCl
AgBr
AgI
0
/ kJ mol-1
∆H lattice
870
770
758
736
IB Diploma Programme: Chemistry Data Booklet, March 2003
15. Standard Electrode Potentials
Oxidized species
l
Reduced species
Li+(aq) + eK+(aq) + eCa2+(aq) + 2eNa+(aq) + eMg2+(aq) + 2eAl3+(aq) + 3eMn2+(aq) + 2eH2O(l) + eZn2+(aq) + 2eFe2+(aq) + 2eNi2+(aq) + 2eSn2+(aq) + 2ePb2+(aq) + 2eH+(aq) + eCu2+(aq) + eSO42-(aq) + 4H+(aq) + 2eCu2+(aq) + 2e½O2(g) + H2O(l) + 2eCu+(aq) + e½I2(s) + eFe3+(aq) + eAg+(aq) + e½Br2 (l) + e½O2(g) + 2H+(aq) + 2eCr2O72-(aq) + 14H+(aq) + 6e½Cl2(g) + eMnO4-(aq) + 8H+(aq) + 5e½F2 (g) + e-
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
Li(s)
K(s)
Ca(s)
Na(s)
Mg(s)
Al(s)
Mn(s)
½H2(g) + OH-(aq)
Zn(s)
Fe(s)
Ni(s)
Sn(s)
Pb(s)
½H2(g)
Cu+(s)
H2SO3(aq) + H2O(l)
Cu(s)
2OH-(aq)
Cu(s)
I-(aq)
Fe2+(aq)
Ag(s)
Br-(aq)
H2O(l)
2Cr3+(aq) + 7H2O(l)
Cl-(aq)
Mn2+(aq) + 4H2O(l)
F-(aq)
IB Diploma Programme: Chemistry Data Booklet, March 2003
E0 / V
-3.03
-2.92
-2.87
-2.71
-2.36
-1.66
-1.18
-0.83
-0.76
-0.44
-0.23
-0.14
-0.13
0.00
+0.15
+0.17
+0.34
+0.40
+0.52
+0.54
+0.77
+0.80
+1.09
+1.23
+1.33
+1.36
+1.51
+2.87
13
16. Strengths of Organic Acids and Bases
The acid strengths in the following tables are given in terms of pKa values, where pKa = -log10 Ka.
The dissociation constant, Ka, values are for aqueous solutions at 298 K. Base strengths are given in
terms of pKb values.
Carboxylic Acids
Name
Formula
pKa
methanoic
ethanoic
propanoic
butanoic
2-methylpropanoic
pentanoic
2,2-dimethylpropanoic
benzoic
phenylethanoic
HCOOH
CH3COOH
CH3CH2COOH
CH3(CH2)2COOH
(CH3)2CHCOOH
CH3(CH2)3COOH
(CH3)3CCOOH
C6H5COOH
C6H5CH2COOH
3.75
4.76
4.87
4.82
4.85
4.86
5.05
4.20
4.31
Halogenated Carboxylic Acids
Name
Formula
pKa
chloroethanoic
dichloroethanoic
trichloroethanoic
fluoroethanoic
bromoethanoic
iodoethanoic
CH2ClCOOH
CHCl2COOH
CCl3COOH
CH2FCOOH
CH2BrCOOH
CH2ICOOH
2.86
1.29
0.65
2.66
2.90
3.17
Phenols
Name
Formula
phenol
2-nitrophenol
3-nitrophenol
4-nitrophenol
2,4-dinitrophenol
2,4,6-trinitrophenol
C6H5OH
O2NC6H4OH
O2NC6H4OH
O2NC6H4OH
(O2N)2C6H3OH
(O2N)3C6H2OH
pKa
10.00
7.21
8.35
7.15
4.01
0.42
Alcohols
Name
Formula
methanol
ethanol
CH3OH
C2H5OH
14
pKa
15.5
16 (approximately)
IB Diploma Programme: Chemistry Data Booklet, March 2003
Amines
Name
Formula
pKb
ammonia
methylamine
ethylamine
dimethylamine
trimethylamine
diethylamine
triethylamine
phenylamine
NH3
CH3NH2
CH3CH2NH2
(CH3)2NH
(CH3)3N
(C2H5)2NH
(C2H5)3N
C6H5NH2
4.75
3.36
3.27
3.28
4.20
3.07
3.36
9.38
17. Acid–base Indicators
Colour change
Indicator
pKa
pH range
Acid
Alkali
methyl orange
bromophenol blue
bromocresol green
methyl red
bromothymol blue
phenol red
phenolphthalein
3.7
4.0
4.7
5.1
7.0
7.9
9.3
3.1–4.4
3.0–4.6
3.8–5.4
4.2–6.3
6.0–7.6
6.8–8.4
8.3–10.0
red
yellow
yellow
red
yellow
yellow
colourless
yellow
blue
blue
yellow
blue
red
red
IB Diploma Programme: Chemistry Data Booklet, March 2003
15
18. Infrared Data
Characteristic ranges for infrared absorption due to stretching vibrations in organic molecules.
Bond
16
Wavenumber / cm-1
Organic molecules
700 to 800
C–Cl
halogenoalkanes
C–O
alcohols, ethers, esters
1000 to 1300
C=C
alkenes
1610 to 1680
C=O
aldehydes, ketones, acids, esters
1680 to 1750
ChC
alkynes
2070 to 2250
O–H
“hydrogen bonded” in acids
2500 to 3300
C–H
alkanes, alkenes, arenes
2840 to 3095
O–H
“hydrogen bonded” in alcohols, phenols
3230 to 3550
N–H
primary amines
3350 to 3500
IB Diploma Programme: Chemistry Data Booklet, March 2003
19. 1H NMR Data
Typical proton chemical shift values (δ) relative to TMS = 0.
(These values can vary slightly in different solvents.)
Type of proton
R
CH3
R
CH2
Chemical shift/ppm
0.9
R
1.3
2
R3CH
O
CH3
2.0
C
OR
R
CH3
C
2.1
O
2.3
CH3
R
C
C
2.6
H
R
CH2
R
O
CH3
R
O
CH3
R
C
O
3.2–3.7
Hal
3.8
4.1
CH2R
O
O
R
O
RHC
C
CH3
4.0–4.2
0.5–6.5 (can vary considerably under
different conditions)
H
CH2
4.9–5.9
OH
7
H
7.3
O
R
9.7
C
H
O
R
C
11.5
O
H
IB Diploma Programme: Chemistry Data Booklet, March 2003
17
20. 2-amino Acids
Common name
Symbol
alanine
Ala
Structural formula
H2N
CH
pH of isoelectric
point
COOH
6.0
CH3
arginine
Arg
H2N
CH
COOH
CH2
CH2
10.8
NH
CH2
C
NH2
NH
asparagine
Asn
H2N
CH
CH2
COOH
C
5.4
NH2
O
aspartic acid
Asp
H2N
CH
CH2
cysteine
glutamine
Cys
Gln
H2N
H2N
COOH
2.8
COOH
CH
COOH
CH2
SH
CH
COOH
CH2
CH2
5.1
5.7
C
NH2
O
glutamic acid
Glu
glycine
Gly
histidine
His
CH
COOH
CH2
CH2
H2N
CH2
COOH
H2N
CH
H2N
3.2
COOH
6.0
COOH
H
7.6
N
CH2
N
isoleucine
Ile
H2N
CH3
18
CH
COOH
CH
CH2
6.0
CH3
IB Diploma Programme: Chemistry Data Booklet, March 2003
Common name
Symbol Structural formula
leucine
Leu
H2N
CH
pH of isoelectric
point
COOH
6.0
CH2
CH3
lysine
methionine
phenylalanine
Lys
Met
Phe
H2N
H2N
H2N
CH
CH3
CH
COOH
CH2
CH2
CH
COOH
CH2
CH2
CH
9.7
CH2
CH2
NH2
5.7
S
CH3
COOH
5.5
CH2
proline
Pro
serine
Ser
threonine
Thr
H
N
H2N
H2N
CH3
tryptophan
Trp
H2N
COOH
6.3
CH
COOH
CH2
OH
CH
COOH
CH
OH
CH
5.7
5.6
COOH
5.9
CH2
N
H
tyrosine
Tyr
H2N
CH
COOH
CH2
valine
Val
H2N
CH3
OH
CH
COOH
CH
CH3
IB Diploma Programme: Chemistry Data Booklet, March 2003
5.7
6.0
19
21. Structural Formulas of Some Important Medicines and Drugs
CH3
CH2
O
C
OH
CH3
H
C
OH
C
O
C
CH3
CH3
O
NHCOCH3
aspirin
COOH
H
paracetamol (acetaminophen)
ibuprofen
O
CH2
OH
CH2
N
CH3
CH2
CH3
CH2
OH
CH2
N
O
CH2
N
CH3
OCCH3
O
O
O
OH
OCCH3
OCH3
morphine
codeine
heroin
CH3
O
H3C
CH2
CH
HO
NH2
CH
CH2
NH
OH
CH3
O
HO
N
N
CH3
N
N
N
CH3
N
CH3
amphetamine
adrenaline
O
R
C
caffeine
CH3
CH3
NH
S
O
O
N
N
CH3
nicotine
CH3
N
Cl
O
C
N
O2N
N
O
OH
penicillin
20
diazepam (valium®)
nitrazepam (mogadon®)
IB Diploma Programme: Chemistry Data Booklet, March 2003
O
N
HN
O
CH3
N
H2N
HO
O
N
CH2
CH2
CH2
CH3
O
O
CH3
N
CH2
O
cocaine
CH3
C
Pt
CH3
CH2
N
CH3
NH3
N
O
NH
NH3
Cl
CH2
CH3
acyclovir
Cl
N
H2C
CH3
cisplatin
CH2
N
H
CH3
Lidocaine
lysergic acid diethylamide (LSD)
H
CH3O
CH2
CH2
NH2
O
O
CH3O
P
O
CH3
O
CH2
OCH3
N+
CH2
mescaline
CH3
H
N
H
O
NH2
psilocybin
CH2CH3
O
C
CH2CH2
N
CH3
CH2CH3
procaine
OH
H3C
H3C
O
CH2
CH2
CH2
CH2
CH3
tetrahydrocannabinol (THC)
F3C
O
CH2
CH2
NH2 + Cl CH3
N
H
fluoxetine hydrochloride (prozac)
indole
IB Diploma Programme: Chemistry Data Booklet, March 2003
21
22. Structural Formulas of Some Important Biological Molecules
H
H
H
OH
3
H
2
H
1
CH3
H
C
C
H2C
C
H
H2C
C
CH3
C CH3
H2
1
H
C
OH
sucrose
O
O H CH2OH
4
H
C
OH
C
H
C
H
C
H
H
2
OH
H2
C
C
O
H
3
O
CH3
C
C
1
2
H
OH
lactose
CH3
H
HOCH2
H
H
HO OH
OH
2
H
OH
H
H
H
4
O
1
H
OH
O
O
O
HO
H
CH2OH
CH2OH
CH2OH
retinol (vitamin A)
HO
C
HO
C
H
C
HO
C
O
H
CH2OH
H3C
CH2
CH
CH3
CH2
CH2
ascorbic acid (vitamin C)
CH
CH3
CH3
H3C
CH3
CH2
CH
CH3
CH2
CH
CH3
cholesterol
HO
CH2
CH3
CH2
vitamin D
HO
CH3
CH3
CH3
OH
C
O
CH3
H 3C
HO
O
oestradiol
22
OH
CH3
O
progesterone
testosterone
IB Diploma Programme: Chemistry Data Booklet, March 2003
I
OH
HO
CH
CH2
NH
CH3
I
HO
O
HO
I
thyroxine
NH2
C
C
N
HN
CH
HC
C
N
C
adenine
N
C
N
O
N
H
guanine
HN
CH
C
O
C
C
N
CH
H2N C
N
H
O
NH2
O
C
N
NH2
I
adrenaline
COOH
CH
CH2
C
O
CH
C
CH
HN
CH
O
C
C
CH3
CH
N
H
N
H
cytosine
uracil
thymine
CH3
CH3
N
H
NH2
N
N
N
N
–O
P
O–
O
O
O
O
P
O–
O
P
O
CH2
O
O–
OH OH
adenosine triphosphate (ATP)
CH
CH2
HO
CH2
C
CH2
C
CH2
CH2
CH3
CH
C
CH2
CH2
CH
CH3
CH3
H3C
CH
CH2
N
N
Fe
N
O
N
C
CH3
H
HOOC
CH2
CH2
CH2
CH2
COOH
The haem group from cytochrome oxidase
IB Diploma Programme: Chemistry Data Booklet, March 2003
23