Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 “Anionic NaCl-type framework of [MnII(HCOO)3—], templated by alkyl 5 5 4 4 -1 T (cm Kmol ) ammonium, exhibits weak ferromagnetism”, by Z. M. Wang et al. 3 3 3 3 1 2 3 4 2 1 2 2 1 1 0 0 5 10 15 20 0 0 0 50 100 150 200 250 300 T (K) Fig. S1 Plot of T vs T for 14 in 10 kOe applied field. The solid lines are the theoretical fits to the high temperature expansion series (see text) for data above 15 K. Inset the low temperature region. 1 Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 0.10 0.08 -1 0.20 0.06 3 -1 ' (cm mol ) ' 0.15 0.04 '' 3 1 2 3 4 '' (cm mol ) 0.25 0.02 0.10 7.0 7.5 8.0 T (K) 8.5 9.0 Fig. S2 The details in 7~9 K of temperature dependence of AC-susceptibilities for 14 in 5Oe oscillating at 10 Hz driving in zero DC field. In this peak region the temperature was stepped every 0.02 K for 13 and 0.05 K for 4. 2 Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 0.20 0.21 1 -1 ' (cm mol ) -1 ' (cm mol ) 0.20 3 3 0.19 at 0.1Hz at 1 Hz at 10 Hz at 100 Hz 0.18 7.0 0.28 8.0 T (K) 8.5 at 0.1Hz at 1 Hz at 10 Hz at 100 Hz 0.26 -1 ' (cm mol ) 7.5 3 0.18 0.17 7.6 7.8 8.0 8.2 8.4 8.6 8.8 9.0 T (K) 9.0 2 3 0.24 0.19 at 0.1Hz at 1 Hz at 10 Hz at 100 Hz 0.22 0.20 0.18 7.0 7.2 7.4 7.6 T (K) 7.8 8.0 Fig. S3 The details around the long-range magnetic transition of the temperature dependence of the in-phase AC susceptibility for 13 in a field 5 Oe oscillating at different frequencies in zero DC field. 3 10000 8000 0~50 kOe 50~-50 kOe 6000 -50~50 kOe 4000 T=2.0 K 2000 0 -2000 -4000 -6000 -8000 -10000 -50 -40 -30 -20 -10 0 10 20 30 40 50 H, kOe 3 M, cm Gmol -1 Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 150 100 50 0 -50 Hc=130 Oe -100 -150 -1.0 3 Mr=18 cm Gmol -0.5 0.0 0.5 -1 1.0 Fig. S4 The isothermal magnetization of 1 at 2.0 K. Inset shows the small hysteresis. 4 10000 8000 0~50 kOe 50~-50 kOe 6000 -50~50 kOe 4000 T=2.0 K 2000 0 -2000 -4000 -6000 -8000 -10000 -50 -40 -30 -20 -10 0 10 20 30 40 50 H, kOe 3 M, cm Gmol -1 Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 200 100 0 -100 Hc=190 Oe 3 Mr=30 cm Gmol -200 -1.0 -0.5 0.0 0.5 -1 1.0 Fig. S5 The isothermal magnetization of 2 at 2.0 K. Inset shows the small hysteresis. 5 Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 12000 3 M, cm Gmol -1 8000 4000 0~70 kOe 70~-70 kOe -70~70 kOe T=2.0 K 0 100 -4000 50 0 -8000 -50 Hc=90 Oe 3 -1 Mr=20 cm Gmol -100 -12000 -0.4 -60 -40 -20 0 20 H, kOe -0.2 0.0 40 0.2 0.4 60 Fig. S6 The isothermal magnetization of 3 at 2.0 K. Inset shows the small hysteresis. 6 Supplementary Material for Dalton Transactions This journal is © The Royal Society of Chemistry 2004 12000 3 M, cm Gmol -1 8000 4000 0~70 kOe 70~-70 kOe -70~70 kOe T=2.0 K 0 6 4 -4000 2 0 -2 -8000 -4 Hc=5 Oe -6 Mr=1 cm Gmol 3 -12000 -0.04 -60 -40 -20 -0.02 0 20 H, kOe 0.00 0.02 40 -1 0.04 60 Fig. S7 The isothermal magnetization of 4 at 2.0 K. Inset shows almost no noticeable hysteresis. 7