Sodium Sulfide (Na2S)	Na2S1(cr)
T(K)	Cp	S	-[G-H(Tr)]/T	H-H(Tr)	delta-f H	delta-f G	log Kf
0														
100														
200														
250														
298.15	82.801	96.232	96.232	0.	-366.100	-354.552	62.116
300	82.843	96.744	96.234	0.153	-366.093	-354.480	61.720
400	84.308	120.780	99.501	8.512	-373.575	-350.129	45.722
500	85.772	139.753	105.719	17.017	-375.200	-344.086	35.946
600	87.236	155.522	112.742	25.668	-376.166	-337.761	29.405
700	88.701	169.081	119.844	34.466	-376.619	-331.319	24.723
800	90.165	181.023	126.760	43.411	-376.704	-324.838	21.210
900	91.337	191.717	133.394	52.491	-429.655	-317.282	18.415
1000	92.843	201.418	139.718	61.700	-428.077	-304.880	15.925
1100	110.458	210.823	145.749	71.581	-425.884	-292.653	13.897
1200	159.494	222.269	151.627	84.771	-614.002	-275.864	12.008
1276.000	211.921	233.718	156.162	98.962	Cp LAMBDA MAXIMUM
1276.000	211.939	233.718	156.162	98.962	TRANSITION
1300	187.652	237.411	157.629	103.718	-601.115	-248.179	9.972
1400	137.152	249.134	163.773	119.505	-591.403	-221.426	8.262
1445.000	133.888	253.390	166.498	125.559	CRYSTAL <--> LIQUID
1500	133.888	258.392	169.777	132.923	584.076  195.256 6.799
1600	133.888	267.033	175.588	146.312	-576.793	-169.572	5.536
1700	133.888	275.150	181.208	159.700	-569.524	-144.343	4.435
1800	133.888	282.802	186.642	173.089	-562.270	-119.542	3.469
1900	133.888	290.041	191.895	186.478	-555.029	-95.144	2.616
2000	133.888	296.909	196.976	199.867	-547.802	-71.126	1.858