Silicon Oxide, Quartz (SiO2)								O2Si1(cr)
Enthalpy Reference Temperature = Tr = 298.15 K								Standard State Pressure = p° = 0.1 MPa
		J·K-1 mol-1						kJ·mol-1
T/K		Cp°		S°		-[G°-H°(Tr)]/T		H-H°(Tr)		fH°		fG°		log Kf
0		0.000		0.000		INFINITE		-6.916		-905.872		-905.872		INFINITE
100		15.686		9.694		72.496		-6.280		-908.406		-891.662		465.756
200		32.639		26.087		45.187		-3.820		-910.036		-874.223		228.324
298.15		44.589		41.463		41.463		0.000		-910.857		-856.443		150.045
300		44.769		41.740		41.464		0.083		-910.866		-856.106		149.061
400		53.430		55.874		43.333		5.017		-911.024		-837.812		109.407
500		59.643		68.499		47.127		10.686		-910.692		-819.539		85.617
600		64.417		79.808		51.648		16.896		-910.017		-801.368		69.765
700		68.768		90.063		56.414		23.554		-909.062		-783.331		58.453
800		73.701		99.555		61.220		30.668		-907.794		-765.452		49.979
847.000		76.509		103.840		63.467		34.196		I <--> II
847.000		67.417		104.700		63.467		34.924		TRANSITION
900		67.948		108.807		66.017		38.512		-905.918		-747.785		43.400
1000		68.952		116.018		70.662		45.357		-905.145		-730.256		38.145
1100		69.956		122.637		75.090		52.302		-904.365		-712.805		33.848
1200		70.961		128.767		79.311		59.348		-903.567		-695.426		30.271
1300		71.965		134.487		83.338		66.494		-902.744		-678.114		27.247
1400		72.969		139.857		87.185		73.741		-901.893		-660.866		24.657
1500		73.973		144.925		90.867		81.088		-901.011		-643.681		22.415
1600		74.977		149.731		94.397		88.535		-900.097		-626.555		20.455
1696.000		75.940		154.128		97.654		95.779		II <--> LIQUID
1700		75.981		154.307		97.787		96.083		949.326 609.041 18.714
1800		76.986		158.678		101.050		103.732		-948.113		-589.059		17.094
1900		77.990		162.868		104.194		111.480		-946.823		-569.146		15.647
2000		78.994		166.894		107.229		119.330		-945.456		-549.303		14.346
PREVIOUS: December 1962								CURRENT: June 1967
Silicon Oxide, Quartz (SiO2)								O2Si1(cr)

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