Supplementary Material (ESI) for Chemical Communications
This journal is © The Royal Society of Chemistry 2001
Electronic Supplementary Information (ESI)
1. The theoretical expressions of the intra-/inter-molecular magnetic interactions
In 1, J and J´ are the intra- and inter-cluster coupling constants, respectively
S(1) = S(2) = S(3) = 5/2 and z =2.
Ĥ = -J[S(1)S(2) + S(2)S(3)]
(1a)
m1 = (Ng22F1)/(4kTF2) + tip
(1b)
m = m1/(1- 2zJ´m1/Ng22)
(1c)
Where
F1 = 680P1 + 455P2 + 286P3 + 165P4 + 84P5 + 35P6 + 10P7+ P8 + 35
F2 = 8P1 + 7P2 + 6P3 + 5P4 + 4P5 + 3P6+ 2P7 + P8 + 3
P1 = e27.5x; P2 = e20x + e25x; P3 = e13.5x + e18.5x + e22.5x; P4 = e8x + e13x + e17x + e20x;
P5 = e3.5x + e8.5x + e12.5x + e15.5x + e17.5x; P6 = e15x + e5x + e9x + e12x + e14x;
P7 = e2.5x + e6.5x + e9.5x + e11.5x; P8 = e5x + e8x;
x = J/(kT)
Eq. (1)
2. The two-dimensional skeleton in compound 1.
Fig. 1S Perspective view of the two-dimensional skeleton in 1.
Supplementary Material (ESI) for Chemical Communications
This journal is © The Royal Society of Chemistry 2001
3. Temperature dependence of ac magnetic susceptibility measured at different
frequencies and field dependence of magnetization at 1.97 K
60
6
50
5
H dc = 0
H ac = 2 Oe
111 Hz
199 Hz
355 Hz
633 Hz
1111 Hz
3
3
3
20
2
-1
M' / cm mol
30
4
M" / cm mol
-1
40
TC = 3.7 K
10
1
0
0
1
2
3
4
5
6
7
8
T/K
Fig. 2S Temperature dependence of ac magnetic susceptibility measured at zero
applied dc field and 2 Oe ac field with different frequencies from 111-1111 Hz.
6
T = 1.97 K
5
-1
4
M / N mol
M / N mol
-1
4
3
2
0
2
-2
1
-4
-2
-1
0
1
2
60
70
H / kOe
0
0
10
20
30
40
50
80
H / kOe
Fig. 3S Field dependence of magnetization at 1.97 K for 1. Magnetization (0 to
70 kOe) is superposing with de-magnetization (70 to 0 kOe). No detected
hysterestic loop was observed.