Table 1.
Thermal analysis data for MnTE-2-PyPCl5· 11H2O under dynamic 1 atm air atmosphere (110 cm3/min) at a heating rate of 10 °C/min.
| Process | TG/DTG | DTAa | Assignment | |||||
|---|---|---|---|---|---|---|---|---|
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| Temperature, °C | % Weight loss | DTA peak, °C | ||||||
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| Range | Tonset | Toffset | DTG peak | Exp | Calcd | |||
| I | 26 – 134 | 56.4 | 90.1 | 67.5 | 17.15 | 17.04 | 75.6 (endo) | Loss of waters of hydration (–11 H2O) |
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| II | 134 –279 | 186.4 | 228.6 | 201.7 | 22.50 | 22.15 | 205.2 (endo) | Loss of EtCl (–4 EtCl) |
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| III IIIa | 279 – 421 | 330.5 | 411.4 | 391.8 | 10.42 | 300.1 (exo) | Loss of remaining organic matter and | |
| IIIb | 421 – 479 | 432.9 | 463.1 | 453.8 | 10.18 | 423.6 (endo), 447.4 (exo) | incorporation of oxygen to yield | |
| IIIc | 479 – 606 | 506.2 | 538.8 | 521.4 | 30.43 | 481.9 (endo), 521.4 (exo) | residual Mn oxide | |
| IIId | 606 – 901 | 688.7 | 722.7 | 698.5 | 2.91 | 709.9 (exo) | (Loss of remaining chloride?) | |
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| 270 – 901 | 53.94 | 54.25 | ||||||
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| Residue | 902 | – | – | – | 6.35 | 6.56 | - | Mn3O4 as final residue |
a
Endo stands for an endothermic event, whereas exo stands for an exothermic event.