		J·K^-1 mol^-1						kJ·mol^-1
Lead Sulfide (PbS)								Pb₁S₁(cr,l)

Enthalpy Reference Temperature = T_r = 298.15 K								Standard State Pressure = p° = 0.1 MPa
T/K		C_p^°		S^°		-[G^°-H^°(T_r)]/T		H-H^°(T_r)		_fH^°		_fG^°		log K_f
0		0.		0.		INFINITE		-11.511		-98.545		-98.545		INFINITE
100		39.748		41.296		133.734		-9.244		-98.734		-97.928		51.152
200		47.614		71.920		95.823		-4.781		-98.437		-97.239		25.396

298.15		49.438		91.343		91.343		0.		-98.324		-96.685		16.939

300		49.455		91.649		91.344		0.091		-98.324		-96.675		16.833
400		50.459		106.008		93.295		5.085		-100.657		-96.024		12.539
500		51.463		117.375		97.013		10.181		-102.302		-94.688		9.892

600		52.384		126.839		101.217		15.373		-103.584		-93.039		8.100
700		53.346		134.988		105.473		20.661		-109.465		-90.400		6.746
800		54.308		142.176		109.620		26.045		-110.310		-87.616		5.721
900		55.271		148.627		113.602		31.523		-164.074		-83.658		4.855
1000		56.191		154.498		117.402		37.096		-163.312		-74.763		3.905

1100		57.153		159.900		121.023		42.764		-162.439		-65.949		3.132
1200		58.074		164.912		124.474		48.525		-161.459		-57.220		2.491
1300		59.036		169.599		127.767		54.382		-160.375		-48.577		1.952

1386.500		59.832		173.428		130.497		59.523		CRYSTAL <--> LIQUID
1386.500		66.944		187.007		130.497		78.351		TRANSITION

1400		66.944		187.656		131.045		79.255		-140.283		-40.204		1.500
1500		66.944		192.275		134.975		85.949		-138.386		-33.122		1.153

1600		66.944		196.595		138.693		92.644		-136.513		-26.165		0.854
1700		66.944		200.654		142.219		99.338		-134.667		-19.325		0.594
1800		66.944		204.480		145.573		106.033		-132.850		-12.593		0.365
1900		66.944		208.099		148.769		112.727		-131.065		-5.961		0.164
2000		66.944		211.533		151.823		119.421		-129.312		0.578		-0.015

PREVIOUS:								CURRENT: June 1973

Lead Sulfide (PbS)								Pb₁S₁(cr,l)

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