Thermodynamic properties and low-temperature X-ray diffraction of vitamin B3 Knyazev, A.; Smirnova, N.; Shipilova, A.; Shushunov, Ð.; Gusarova, E.; Knyazeva, S.; Thermochimica Acta 2015, 604, 115-121
- Journal: Thermochimica Acta
- Sample Quantity(ies): Molar heat capacity at constant pressure
- Methodology: Small (less than 1 g) adiabatic calorimetry
- Phase(s): Crystal
- Substances:
Data
| T (K) | Cp (J mol-1 K-1) |
| 1 | 0.0015 |
| 10 | 1.48 |
| 15 | 4.221 |
| 20 | 7.998 |
| 25 | 12.34 |
| 30 | 17.11 |
| 35 | 21.76 |
| 40 | 26.08 |
| 45 | 30.14 |
| 50 | 33.99 |
| 60 | 40.99 |
| 2 | 0.0121 |
| 70 | 47.0 |
| 80 | 52.23 |
| 90 | 56.95 |
| 100 | 61.37 |
| 110 | 65.59 |
| 120 | 69.67 |
| 130 | 73.64 |
| 140 | 77.53 |
| 150 | 81.39 |
| 160 | 85.26 |
| 3 | 0.0409 |
| 170 | 89.19 |
| 180 | 93.23 |
| 190 | 97.4 |
| 200 | 101.7 |
| 210 | 106.3 |
| 220 | 110.9 |
| 230 | 115.8 |
| 240 | 120.8 |
| 250 | 125.8 |
| 260 | 131.0 |
| 4 | 0.0968 |
| 270 | 136.3 |
| 273.15 | 137.9 |
| 280 | 141.6 |
| 290 | 146.9 |
| 298.15 | 151.3 |
| 300 | 152.3 |
| 310 | 157.7 |
| 320 | 163.1 |
| 330 | 168.5 |
| 340 | 174.0 |
| 5 | 0.1891 |
| 346 | 177.3 |
| 6 | 0.3359 |
| 7 | 0.5397 |
| 8 | 0.7924 |
| 9 | 1.099 |
5760; 3-pyridinecarboxylic acid; 00926