Lead Sulfide (PbS)	Pb1S1(l)
T(K)	Cp	S	-[G-H(Tr)]/T	H-H(Tr)	delta-f H	delta-f G	log Kf
0														
100														
200														
298.15	49.438	100.795	100.795	0.	-84.064	-85.242	14.934
300	49.455	101.101	100.796	0.091	-84.064	-85.250	14.843
400	50.459	115.459	102.746	5.085	-86.396	-85.544	11.171
500	51.463	126.827	106.464	10.181	-88.042	-85.153	8.896
600	52.384	136.291	110.668	15.373	-89.323	-84.449	7.352
700	53.346	144.440	114.924	20.661	-95.205	-82.755	6.175
800	54.308	151.627	119.071	26.045	-96.049	-80.916	5.283
900	55.271	158.078	123.053	31.522	-149.814	-77.904	4.521
900.000	55.271	158.078	123.053	31.522	GLASS <--> LIQUID
900.000	66.944	158.078	123.053	31.522	TRANSITION
1000	66.944	165.131	126.914	38.217	-147.930	-70.014	3.657
1100	66.944	171.512	130.683	44.911	-146.032	-62.315	2.959
1200	66.944	177.336	134.332	51.606	-144.118	-54.788	2.385
1300	66.944	182.695	137.849	58.300	-142.197	-47.422	1.905
1386.500	66.944	187.007	140.782	64.091	CRYSTAL <--> LIQUID
1400	66.944	187.656	141.231	64.994	140.283  40.204 1.500
1500	66.944	192.275	144.482	71.689	-138.386	-33.122	1.153
1600	66.944	196.595	147.606	78.383	-136.513	-26.165	0.854
1700	66.944	200.654	150.608	85.078	-134.667	-19.325	0.594
1800	66.944	204.480	153.495	91.772	-132.850	-12.593	0.365
1900	66.944	208.099	156.275	98.466	-131.065	-5.961	0.164
2000	66.944	211.533	158.953	105.161	-129.312	0.578	-0.015