Difluoromethane (CH2F2)								C1H2F2(g)
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.		0.		INFINITE		-10.690		-443.005		-443.005		INFINITE
100		33.494		206.992		280.603		-7.361		-445.642		-439.137		229.381
200		36.678		230.995		250.396		-3.880		-448.111		-431.680		112.743
250		39.472		239.465		247.384		-1.980		-449.405		-427.424		89.305
298.15		42.859		246.698		246.698		0.		-450.659		-423.076		74.121
300		43.000		246.964		246.699		0.079		-450.706		-422.905		73.634
350		46.984		253.888		247.237		2.328		-451.967		-418.171		62.409
400		51.113		260.431		248.481		4.780		-453.153		-413.261		53.966
450		55.154		266.686		250.158		7.438		-454.252		-408.208		47.384
500		58.973		272.697		252.114		10.292		-455.257		-403.037		42.105
600		65.767		284.068		256.503		16.539		-456.991		-392.424		34.164
700		71.458		294.646		261.206		23.408		-458.383		-381.549		28.472
800		76.212		304.508		266.009		30.799		-459.476		-370.494		24.191
900		80.205		313.722		270.804		38.625		-460.313		-359.319		20.854
1000		83.577		322.352		275.532		46.819		-460.936		-348.062		18.181
1100		86.438		330.455		280.161		55.324		-461.384		-336.752		15.991
1200		88.876		338.083		284.673		64.093		-461.691		-325.407		14.165
1300		90.962		345.282		289.061		73.087		-461.885		-314.042		12.618
1400		92.754		352.090		293.322		82.275		-461.991		-302.665		11.293
1500		94.301		358.543		297.457		91.630		-462.030		-291.282		10.143
1600		95.641		364.673		301.468		101.129		-462.016		-279.900		9.138
1700		96.807		370.507		305.359		110.752		-461.963		-268.519		8.251
1800		97.825		376.070		309.134		120.485		-461.881		-257.142		7.462
1900		98.719		381.384		312.798		130.313		-461.776		-245.770		6.757
2000		99.507		386.468		316.355		140.225		-461.655		-234.404		6.122
2100		100.203		391.340		319.811		150.212		-461.520		-223.045		5.548
2200		100.822		396.016		323.169		160.263		-461.373		-211.693		5.026
2300		101.373		400.510		326.435		170.374		-461.215		-200.347		4.550
2400		101.866		404.835		329.612		180.536		-461.047		-189.009		4.114
2500		102.308		409.003		332.704		190.745		-460.868		-177.677		3.712
2600		102.706		413.023		335.717		200.996		-460.677		-166.353		3.342
2700		103.065		416.906		338.652		211.285		-460.473		-155.037		2.999
2800		103.391		420.660		341.514		221.608		-460.255		-143.729		2.681
2900		103.686		424.294		344.307		231.962		-460.022		-132.428		2.385
3000		103.955		427.813		347.032		242.344		-459.773		-121.136		2.109
3100		104.201		431.226		349.693		252.752		-459.507		-109.853		1.851
3200		104.426		434.538		352.293		263.184		-459.223		-98.578		1.609
3300		104.632		437.754		354.834		273.637		-458.922		-87.312		1.382
3400		104.822		440.881		357.319		284.110		-458.602		-76.056		1.168
3500		104.997		443.922		359.750		294.601		-458.264		-64.810		0.967
3600		105.158		446.882		362.130		305.109		-457.908		-53.573		0.777
3700		105.307		449.765		364.459		315.632		-457.534		-42.347		0.598
3800		105.445		452.576		366.741		326.170		-457.143		-31.131		0.428
3900		105.573		455.316		368.978		336.721		-456.735		-19.925		0.267
4000		105.693		457.991		371.170		347.284		-456.310		-8.730		0.114
4100		105.804		460.602		373.319		357.859		-455.870		2.454		-0.031
4200		105.907		463.153		375.428		368.445		-455.415		13.627		-0.169
4300		106.004		465.646		377.497		379.040		-454.947		24.789		-0.301
4400		106.095		468.084		379.528		389.645		-454.465		35.940		-0.427
4500		106.180		470.469		381.523		400.259		-453.970		47.080		-0.546
4600		106.259		472.804		383.482		410.881		-453.465		58.209		-0.661
4700		106.334		475.090		385.407		421.511		-452.948		69.327		-0.770
4800		106.404		477.329		387.299		432.148		-452.421		80.434		-0.875
4900		106.471		479.524		389.158		442.791		-451.885		91.529		-0.976
5000		106.533		481.676		390.987		453.442		-451.340		102.614		-1.072
5100		106.592		483.786		392.786		464.098		-450.787		113.687		-1.164
5200		106.647		485.856		394.556		474.760		-450.226		124.750		-1.253
5300		106.700		487.888		396.298		485.427		-449.658		135.802		-1.338
5400		106.750		489.883		398.013		496.100		-449.083		146.843		-1.420
5500		106.797		491.842		399.701		506.777		-448.501		157.873		-1.499
5600		106.842		493.767		401.364		517.459		-447.912		168.893		-1.575
5700		106.884		495.658		403.001		528.145		-447.317		179.902		-1.649
5800		106.925		497.518		404.615		538.836		-446.716		190.901		-1.719
5900		106.963		499.346		406.205		549.530		-446.108		201.889		-1.787
6000		106.999		501.144		407.772		560.228		-445.494		212.866		-1.853
PREVIOUS: December 1969 (1 atm)								CURRENT: December 1969 (1 bar)
Difluoromethane (CH2F2)								C1H2F2(g)

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