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Chemical Thermodynamics of Tin - Volume 12 - OECD Nuclear ...

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246<br />

X Group 15 compounds and complexes<br />

T/K<br />

ο<br />

p,m<br />

Table X-8 (continued)<br />

C /J·K –1·mol –1 HT ( ) − H(0K)<br />

/<br />

J·mol –1<br />

ο<br />

S m /J·K –1·mol –1 −[( GT ( ) − G(0 K)) T −1<br />

] /<br />

–1<br />

J·K<br />

–1·mol<br />

110 148.4 (148.203) 9530 (9532.847) 161 (160.310) 74.364 (73.648)<br />

<strong>12</strong>0 152.8 (152.462) 11000 (11036.867) 174 (173.394) 82.333 (81.420)<br />

130 156.2 (155.984) <strong>12</strong>600 (<strong>12</strong>579.630) 187 (185.740) 90.077 (88.974)<br />

140 159.1 (158.937) 14200 (14154.650) 198 (197.411) 96.571 (96.306)<br />

150 161.4 (161.448) 15800 (15756.902) 209 (208.464) 103.667 (103.418)<br />

160 163.4 (163.614) 17400 (17382.468) 220 (218.955) 111.250 (110.315)<br />

170 165.5 (165.508) 19000 (19028.276) 230 (228.932) 118.235 (117.001)<br />

180 167.2 (167.186) 20700 (20691.904) 239 (238.440) <strong>12</strong>4.000 (<strong>12</strong>3.485)<br />

190 168.9 (168.696) 22400 (22371.440) 248 (247.521) 130.105 (<strong>12</strong>9.777)<br />

200 170.2 (170.070) 24100 (24065.367) 257 (256.209) 136.500 (135.882)<br />

220 172.3 (172.521) 27500 (27491.839) 273 (272.536) 148.000 (147.573)<br />

240 174.5 (174.702) 31000 (30964.415) 289 (287.643) 159.833 (158.626)<br />

260 176.6 (176.719) 34500 (34478.833) 303 (301.707) 170.308 (169.096)<br />

273.15 178.0 (177.991) 36800 (36811.088) 311 (310.457) 174.008 (175.692)<br />

290 179.8 (179.584) 39800 (39823.704) 322 (321.159) 184.759 (183.836)<br />

298.15 180.5 (180.346) 41300 (4<strong>12</strong>90.423) 327 (326.147) 188.479 (187.658)<br />

310 181.6 (181.450) 43400 (43434.068) 334 (333.197) 194.000 (193.087)<br />

ο 40K<br />

p,m 5K<br />

[ C ]<br />

ο 315K<br />

p,m 40K<br />

[ C ]<br />

The data can be fitted by the following equations:<br />

(Sn 4 As 3 , cr, T)/J·K –1·mol –1 = (167.9 ± 3.9)exp[− (35.55 ± 0.70)/(T/K)]<br />

(Sn 4 As 3 , cr, T )/J·K –1·mol –1 = − (30.22 ± 11.26) + (0.1828 ± 0.0099) T/K<br />

− (33393 ± <strong>12</strong>32)/(T/K)<br />

+ (333880 ± 13018)/(T/K) 2<br />

+ (4554 ± 213)/(T/K) 0.5 .<br />

The selected data for Sn 4 As 3 (cr) are:<br />

ο<br />

–1<br />

C p,m (Sn 4 As 3 , cr, 298.15 K) = (179.8 ± 0.6) J·K<br />

–1·mol<br />

ο<br />

S m (Sn 4 As 3 , cr, 298.15 K) = (323.8 ± 3.8) J·K –1·mol –1 .<br />

CHEMICAL THERMODYNAMICS OF TIN, ISBN 978-92-64-99206-1, © <strong>OECD</strong> 20<strong>12</strong>

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