28 Appendix: Standard Thermodynamic Quantities for Chemical Substances at 25°C
Substance |
ΔHf° (kJ/mol) |
ΔGf° (kJ/mol) |
S° (J/mol K) |
Aluminum: | |||
Al(s) |
0.0 |
0.0 |
28.3 |
Al(g) |
330.0 |
289.4 |
164.6 |
AlCl3(s) |
−704.2 |
−628.8 |
109.3 |
Al2O3(s) |
−1675.7 |
−1582.3 |
50.9 |
Barium: | |||
Ba(s) |
0.0 |
0.0 |
62.5 |
Ba(g) |
180.0 |
146.0 |
170.2 |
BaO(s) |
−548.0 |
−520.3 |
72.1 |
BaCO3(s) |
−1213.0 |
−1134.4 |
112.1 |
BaSO4(s) |
−1473.2 |
−1362.2 |
132.2 |
Beryllium: | |||
Be(s) |
0.0 |
0.0 |
9.5 |
Be(g) |
324.0 |
286.6 |
136.3 |
Be(OH)2(s) |
−902.5 |
−815.0 |
45.5 |
BeO(s) |
−609.4 |
−580.1 |
13.8 |
Bismuth: |
|||
Bi(s) |
0.0 |
0.0 |
56.7 |
Bi(g) |
207.1 |
168.2 |
187.0 |
Bromine: | |||
Br(g) |
111.9 |
82.4 |
175.0 |
Br2(l) |
0.0 |
0.0 |
152.2 |
Br−(aq) |
−121.6 |
−104.0 |
82.4 |
Br2(g) |
30.9 |
3.1 |
245.5 |
HBr(g) |
−36.3 |
−53.4 |
198.7 |
HBr(aq) |
−121.6 |
−104.0 |
82.4 |
Cadmium: | |||
Cd(s) |
0.0 |
0.0 |
51.8 |
Cd(g) |
111.8 |
— |
167.7 |
CdCl2(s) |
−391.5 |
−343.9 |
115.3 |
CdS(s) |
−161.9 |
−156.5 |
64.9 |
Calcium: | |||
Ca(s) |
0.0 |
0.0 |
41.6 |
Ca(g) |
177.8 |
144.0 |
154.9 |
CaCl2(s) |
−795.4 |
−748.8 |
108.4 |
CaF2(s) |
−1228.0 |
−1175.6 |
68.5 |
Ca(OH)2(s) |
−985.2 |
−897.5 |
83.4 |
CaO(s) |
−634.9 |
−603.3 |
38.1 |
CaSO4(s) |
−1434.5 |
−1322.0 |
106.5 |
CaCO3(s, calcite) |
−1207.6 |
−1129.1 |
91.7 |
CaCO3(s, aragonite) |
−1207.8 |
−1128.2 |
88.0 |
Carbon: |
|||
C(s, graphite) |
0.0 |
0.0 |
5.7 |
C(s, diamond) |
1.9 |
2.9 |
2.4 |
C(s, fullerene—C60) |
2327.0 |
2302.0 |
426.0 |
C(s, fullerene—C70) |
2555.0 |
2537.0 |
464.0 |
C(g) |
716.7 |
671.3 |
158.1 |
C(g, fullerene—C60) |
2502.0 |
2442.0 |
544.0 |
C(g, fullerene—C70) |
2755.0 |
2692.0 |
614.0 |
CBr4(s) |
29.4 |
47.7 |
212.5 |
CBr4(g) |
83.9 |
67.0 |
358.1 |
CCl2F2(g) |
−477.4 |
−439.4 |
300.8 |
CCl2O(g) |
−219.1 |
−204.9 |
283.5 |
CCl4(l) |
−128.2 |
−62.6 |
216.2 |
CCl4(g) |
−95.7 |
−53.6 |
309.9 |
CF4(g) |
−933.6 |
−888.3 |
261.6 |
CHCl3(l) |
−134.1 |
−73.7 |
201.7 |
CHCl3(g) |
−102.7 |
6.0 |
295.7 |
CH2Cl2(l) |
−124.2 |
— |
177.8 |
CH2Cl2(g) |
−95.4 |
−68.9 |
270.2 |
CH3Cl(g) |
−81.9 |
−58.5 |
234.6 |
CH4(g) |
−74.6 |
−50.5 |
186.3 |
CH3COOH(l) |
−484.3 |
−389.9 |
159.8 |
CH3OH(l) |
−239.2 |
−166.6 |
126.8 |
CH3OH(g) |
−201.0 |
−162.3 |
239.9 |
CH3NH2(l) |
−47.3 |
35.7 |
150.2 |
CH3NH2(g) |
−22.5 |
32.7 |
242.9 |
CH3CN(l) |
40.6 |
86.5 |
149.6 |
CH3CN(g) |
74.0 |
91.9 |
243.4 |
CO(g) |
−110.5 |
−137.2 |
197.7 |
CO2(g) |
−393.5 |
−394.4 |
213.8 |
CS2(l) |
89.0 |
64.6 |
151.3 |
CS2(g) |
116.7 |
67.1 |
237.8 |
C2H2(g) |
227.4 |
209.9 |
200.9 |
C2H4(g) |
52.4 |
68.4 |
219.3 |
C2H6(g) |
−84.0 |
−32.0 |
229.2 |
C3H8(g) |
−103.8 |
−23.4 |
270.3 |
C3H6O3(s) (lactic acid) |
−694.1 |
−522.9 |
142.3 |
C6H6(l) |
49.1 |
124.5 |
173.4 |
C6H6(g) |
82.9 |
129.7 |
269.2 |
C6H12O6(s) (glucose) |
−1273.3 |
−910.4 |
212.1 |
C2H5OH(l) |
−277.6 |
−174.8 |
160.7 |
C2H5OH(g) |
−234.8 |
−167.9 |
281.6 |
(CH3)2O(l) |
−203.3 |
— |
— |
(CH3)2O(g) |
−184.1 |
−112.6 |
266.4 |
CH3CO2−(aq) |
−486.0 |
−369.3 |
86.6 |
n-C12H26(l) (dodecane) |
−350.9 |
28.1 |
490.6 |
Cesium: | |||
Cs(s) |
0.0 |
0.0 |
85.2 |
Cs(g) |
76.5 |
49.6 |
175.6 |
CsCl(s) |
−443.0 |
−414.5 |
101.2 |
Chlorine: | |||
Cl(g) |
121.3 |
105.3 |
165.2 |
Cl2(g) |
0.0 |
0.0 |
223.1 |
Cl−(aq) |
−167.2 |
−131.2 |
56.5 |
HCl(g) |
−92.3 |
−95.3 |
186.9 |
HCl(aq) |
−167.2 |
−131.2 |
56.5 |
ClF3(g) |
−163.2 |
−123.0 |
281.6 |
Chromium: | |||
Cr(s) |
0.0 |
0.0 |
23.8 |
Cr(g) |
396.6 |
351.8 |
174.5 |
CrCl3(s) |
−556.5 |
−486.1 |
123.0 |
CrO3(g) |
−292.9 |
— |
266.2 |
Cr2O3(s) |
−1139.7 |
−1058.1 |
81.2 |
Cobalt: | |||
Co(s) |
0.0 |
0.0 |
30.0 |
Co(g) |
424.7 |
380.3 |
179.5 |
CoCl2(s) |
−312.5 |
−269.8 |
109.2 |
Copper: | |||
Cu(s) |
0.0 |
0.0 |
33.2 |
Cu(g) |
337.4 |
297.7 |
166.4 |
CuCl(s) |
−137.2 |
−119.9 |
86.2 |
CuCl2(s) |
−220.1 |
−175.7 |
108.1 |
CuO(s) |
−157.3 |
−129.7 |
42.6 |
Cu2O(s) |
−168.6 |
−146.0 |
93.1 |
CuS(s) |
−53.1 |
−53.6 |
66.5 |
Cu2S(s) |
−79.5 |
−86.2 |
120.9 |
CuCN(s) |
96.2 |
111.3 |
84.5 |
Fluorine: | |||
F(g) |
79.4 |
62.3 |
158.8 |
F−(aq) |
−332.6 |
−278.8 |
−13.8 |
F2(g) |
0.0 |
0.0 |
202.8 |
HF(g) |
−273.3 |
−275.4 |
173.8 |
HF(aq) |
−332.6 |
−278.8 |
−13.8 |
Hydrogen: | |||
H(g) |
218.0 |
203.3 |
114.7 |
H2(g) |
0.0 |
0.0 |
130.7 |
H+(aq) |
0.0 |
0.0 |
0.0 |
Iodine: |
|||
I(g) |
106.8 |
70.2 |
180.8 |
I−(aq) |
−55.2 |
−51.6 |
111.3 |
I2(s) |
0.0 |
0.0 |
116.1 |
I2(g) |
62.4 |
19.3 |
260.7 |
HI(g) |
26.5 |
1.7 |
206.6 |
HI(aq) |
−55.2 |
−51.6 |
111.3 |
Iron: | |||
Fe(s) |
0.0 |
0.0 |
27.3 |
Fe(g) |
416.3 |
370.7 |
180.5 |
Fe2+(aq) |
−89.1 |
−78.9 |
−137.7 |
Fe3+(aq) |
−48.5 |
−4.7 |
−315.9 |
FeCl2(s) |
−341.8 |
−302.3 |
118.0 |
FeCl3(s) |
−399.5 |
−334.0 |
142.3 |
FeO(s) |
−272.0 |
−251.4 |
60.7 |
Fe2O3(s) |
−824.2 |
−742.2 |
87.4 |
Fe3O4(s) |
−1118.4 |
−1015.4 |
146.4 |
FeS2(s) |
−178.2 |
−166.9 |
52.9 |
FeCO3(s) |
−740.6 |
−666.7 |
92.9 |
Lead: | |||
Pb(s) |
0.0 |
0.0 |
64.8 |
Pb(g) |
195.2 |
162.2 |
175.4 |
PbO(s, red or litharge) |
−219.0 |
−188.9 |
66.5 |
PbO(s, yellow or massicot) |
−217.3 |
−187.9 |
68.7 |
PbO2(s) |
−277.4 |
−217.3 |
68.6 |
PbCl2(s) |
−359.4 |
−314.1 |
136.0 |
PbS(s) |
−100.4 |
−98.7 |
91.2 |
PbSO4(s) |
−920.0 |
−813.0 |
148.5 |
PbCO3(s) |
−699.1 |
−625.5 |
131.0 |
Pb(NO3)2(s) |
−451.9 |
— |
— |
Pb(NO3)2(aq) |
−416.3 |
−246.9 |
303.3 |
Lithium: | |||
Li(s) |
0.0 |
0.0 |
29.1 |
Li(g) |
159.3 |
126.6 |
138.8 |
Li+(aq) |
−278.5 |
−293.3 |
13.4 |
LiCl(s) |
−408.6 |
−384.4 |
59.3 |
Li2O(s) |
−597.9 |
−561.2 |
37.6 |
Magnesium: |
|||
Mg(s) |
0.0 |
0.0 |
32.7 |
Mg(g) |
147.1 |
112.5 |
148.6 |
MgCl2(s) |
−641.3 |
−591.8 |
89.6 |
MgO(s) |
−601.6 |
−569.3 |
27.0 |
Mg(OH)2(s) |
−924.5 |
−833.5 |
63.2 |
MgSO4(s) |
−1284.9 |
−1170.6 |
91.6 |
MgS(s) |
−346.0 |
−341.8 |
50.3 |
Manganese: | |||
Mn(s) |
0.0 |
0.0 |
32.0 |
Mn(g) |
280.7 |
238.5 |
173.7 |
MnCl2(s) |
−481.3 |
−440.5 |
118.2 |
MnO(s) |
−385.2 |
−362.9 |
59.7 |
MnO2(s) |
−520.0 |
−465.1 |
53.1 |
KMnO4(s) |
−837.2 |
−737.6 |
171.7 |
MnO4−(aq) |
−541.4 |
−447.2 |
191.2 |
Mercury: | |||
Hg(l) |
0.0 |
0.0 |
75.9 |
Hg(g) |
61.4 |
31.8 |
175.0 |
HgCl2(s) |
−224.3 |
−178.6 |
146.0 |
Hg2Cl2(s) |
−265.4 |
−210.7 |
191.6 |
HgO(s) |
−90.8 |
−58.5 |
70.3 |
HgS(s, red) |
−58.2 |
−50.6 |
82.4 |
Hg2(g) |
108.8 |
68.2 |
288.1 |
Molybdenum: | |||
Mo(s) |
0.0 |
0.0 |
28.7 |
Mo(g) |
658.1 |
612.5 |
182.0 |
MoO2(s) |
−588.9 |
−533.0 |
46.3 |
MoO3(s) |
−745.1 |
−668.0 |
77.7 |
Nickel: | |||
Ni(s) |
0.0 |
0.0 |
29.9 |
Ni(g) |
429.7 |
384.5 |
182.2 |
NiCl2(s) |
−305.3 |
−259.0 |
97.7 |
Ni(OH)2(s) |
−529.7 |
−447.2 |
88.0 |
Nitrogen: | |||
N(g) |
472.7 |
455.5 |
153.3 |
N2(g) |
0.0 |
0.0 |
191.6 |
NH3(g) |
−45.9 |
−16.4 |
192.8 |
NH4+(aq) |
−132.5 |
−79.3 |
113.4 |
N2H4(l) |
50.6 |
149.3 |
121.2 |
N2H4(g) |
95.4 |
159.4 |
238.5 |
NH4Cl(s) |
−314.4 |
−202.9 |
94.6 |
NH4OH(l) |
−361.2 |
−254.0 |
165.6 |
NH4NO3(s) |
−365.6 |
−183.9 |
151.1 |
(NH4)2SO4(s) |
−1180.9 |
−901.7 |
220.1 |
NO(g) |
91.3 |
87.6 |
210.8 |
NO2(g) |
33.2 |
51.3 |
240.1 |
N2O(g) |
81.6 |
103.7 |
220.0 |
N2O4(l) |
−19.5 |
97.5 |
209.2 |
N2O4(g) |
11.1 |
99.8 |
304.4 |
HNO2(g) |
−79.5 |
−46.0 |
254.1 |
HNO3(l) |
−174.1 |
−80.7 |
155.6 |
HNO3(g) |
−133.9 |
−73.5 |
266.9 |
HNO3(aq) |
−207.4 |
−111.3 |
146.4 |
NF3(g) |
−132.1 |
−90.6 |
260.8 |
HCN(l) |
108.9 |
125.0 |
112.8 |
HCN(g) |
135.1 |
124.7 |
201.8 |
Osmium: | |||
Os(s) |
0.0 |
0.0 |
32.6 |
Os(g) |
791.0 |
745.0 |
192.6 |
OsO4(s) |
−394.1 |
−304.9 |
143.9 |
OsO4(g) |
−337.2 |
−292.8 |
293.8 |
Oxygen: | |||
O(g) |
249.2 |
231.7 |
161.1 |
O2(g) |
0.0 |
0.0 |
205.2 |
O3(g) |
142.7 |
163.2 |
238.9 |
OH−(aq) |
−230.0 |
−157.2 |
−10.8 |
H2O(l) |
−285.8 |
−237.1 |
70.0 |
H2O(g) |
−241.8 |
−228.6 |
188.8 |
H2O2(l) |
−187.8 |
−120.4 |
109.6 |
H2O2(g) |
−136.3 |
−105.6 |
232.7 |
Phosphorus: | |||
P(s, white) |
0.0 |
0.0 |
41.1 |
P(s, red) −17.6 |
−17.6 |
−12.5 |
22.8 |
P(s, black) |
−39.3 |
— |
— |
P(g, white) |
316.5 |
280.1 |
163.2 |
P2(g) |
144.0 |
103.5 |
218.1 |
P4(g) |
58.9 |
24.4 |
280.0 |
PCl3(l) |
−319.7 |
−272.3 |
217.1 |
PCl3(g) |
−287.0 |
−267.8 |
311.8 |
POCl3(l) |
−597.1 |
−520.8 |
222.5 |
POCl3(g) |
−558.5 |
−512.9 |
325.5 |
PCl5(g) |
−374.9 |
−305.0 |
364.6 |
PH3(g) |
5.4 |
13.5 |
210.2 |
H3PO4(s) |
−1284.4 |
−1124.3 |
110.5 |
H3PO4(l) |
−1271.7 |
−1123.6 |
150.8 |
Potassium: | |||
K(s) |
0.0 |
0.0 |
64.7 |
K(g) |
89.0 |
60.5 |
160.3 |
KBr(s) |
−393.8 |
−380.7 |
95.9 |
KCl(s) |
−436.5 |
−408.5 |
82.6 |
KClO3(s) |
−397.7 |
−296.3 |
143.1 |
K2O(s) |
−361.5 |
−322.1 |
94.1 |
K2O2(s) |
−494.1 |
−425.1 |
102.1 |
KNO2(s) |
−369.8 |
−306.6 |
152.1 |
KNO3(s) |
−494.6 |
−394.9 |
133.1 |
KSCN(s) |
−200.2 |
−178.3 |
124.3 |
K2CO3(s) |
−1151.0 |
−1063.5 |
155.5 |
K2SO4(s) |
−1437.8 |
−1321.4 |
175.6 |
Rubidium: | |||
Rb(s) |
0.0 |
0.0 |
76.8 |
Rb(g) |
80.9 |
53.1 |
170.1 |
RbCl(s) |
−435.4 |
−407.8 |
95.9 |
Selenium: | |||
Se(s, gray) |
0.0 |
0.0 |
42.4 |
Se(g, gray) |
227.1 |
187.0 |
176.7 |
H2Se(g) |
29.7 |
15.9 |
219.0 |
Silicon: | |||
Si(s) |
0.0 |
0.0 |
18.8 |
Si(g) |
450.0 |
405.5 |
168.0 |
SiCl4(l) |
−687.0 |
−619.8 |
239.7 |
SiCl4(g) |
−657.0 |
−617.0 |
330.7 |
SiH4(g) |
34.3 |
56.9 |
204.6 |
SiC(s, cubic) |
−65.3 |
−62.8 |
16.6 |
SiC(s, hexagonal) |
−62.8 |
−60.2 |
16.5 |
Silver: | |||
Ag(s) |
0.0 |
0.0 |
42.6 |
Ag(g) |
284.9 |
246.0 |
173.0 |
Ag+(aq) |
105.6 |
77.1 |
72.7 |
AgBr(s) |
−100.4 |
−96.9 |
107.1 |
AgCl(s) |
−127.0 |
−109.8 |
96.3 |
AgNO3(s) |
−124.4 |
−33.4 |
140.9 |
Ag2O(s) |
−31.1 |
−11.2 |
121.3 |
Ag2S(s) |
−32.6 |
−40.7 |
144.0 |
Sodium: | |||
Na(s) |
0.0 |
0.0 |
51.3 |
Na(g) |
107.5 |
77.0 |
153.7 |
Na+(aq) |
−240.1 |
−261.9 |
59.0 |
NaF(s) |
−576.6 |
−546.3 |
51.1 |
NaF(aq) |
−572.8 |
−540.7 |
45.2 |
NaCl(s) |
−411.2 |
−384.1 |
72.1 |
NaCl(aq) |
−407.3 |
−393.1 |
115.5 |
NaBr(s) |
−361.1 |
−349.0 |
86.8 |
NaBr(g) |
−143.1 |
−177.1 |
241.2 |
NaBr(aq) |
−361.7 |
−365.8 |
141.4 |
NaO2(s) |
−260.2 |
−218.4 |
115.9 |
Na2O(s) |
−414.2 |
−375.5 |
75.1 |
Na2O2(s) |
−510.9 |
−447.7 |
95.0 |
NaCN(s) |
−87.5 |
−76.4 |
115.6 |
NaNO3(aq) |
−447.5 |
−373.2 |
205.4 |
NaNO3(s) |
−467.9 |
−367.0 |
116.5 |
NaN3(s) |
21.7 |
93.8 |
96.9 |
Na2CO3(s) |
−1130.7 |
−1044.4 |
135.0 |
Na2SO4(s) |
−1387.1 |
−1270.2 |
149.6 |
Sulfur: | |||
S(s, rhombic) |
0.0 |
0.0 |
32.1 |
S(g, rhombic) |
277.2 |
236.7 |
167.8 |
SO2(g) |
−296.8 |
−300.1 |
248.2 |
SO3(g) |
−395.7 |
−371.1 |
256.8 |
SO42−(aq) |
−909.3 |
−744.5 |
20.1 |
SOCl2(g) |
−212.5 |
−198.3 |
309.8 |
H2S(g) |
−20.6 |
−33.4 |
205.8 |
H2SO4(aq) |
−909.3 |
−744.5 |
20.1 |
Tin: | |||
Sn(s, white) |
0.0 |
0.0 |
51.2 |
Sn(s, gray) |
−2.1 |
0.1 |
44.1 |
Sn(g, white) |
301.2 |
266.2 |
168.5 |
SnCl4(l) |
−511.3 |
−440.1 |
258.6 |
SnCl4(g) |
−471.5 |
−432.2 |
365.8 |
SnO2(s) |
−557.6 |
−515.8 |
49.0 |
Titanium: | |||
Ti(s) |
0.0 |
0.0 |
30.7 |
Ti(g) |
473.0 |
428.4 |
180.3 |
TiCl2(s) |
−513.8 |
−464.4 |
87.4 |
TiCl3(s) |
−720.9 |
−653.5 |
139.7 |
TiCl4(l) |
−804.2 |
−737.2 |
252.3 |
TiCl4(g) |
−763.2 |
−726.3 |
353.2 |
TiO2(s) |
−944.0 |
−888.8 |
50.6 |
Uranium: | |||
U(s) |
0.0 |
0.0 |
50.2 |
U(g) |
533.0 |
488.4 |
199.8 |
UO2(s) |
−1085.0 |
−1031.8 |
77.0 |
UO2(g) |
−465.7 |
−471.5 |
274.6 |
UF4(s) |
−1914.2 |
−1823.3 |
151.7 |
UF4(g) |
−1598.7 |
−1572.7 |
368.0 |
UF6(s) |
−2197.0 |
−2068.5 |
227.6 |
UF6(g) |
−2147.4 |
−2063.7 |
377.9 |
Vanadium: | |||
V(s) |
0.0 |
0.0 |
28.9 |
V(g) |
514.2 |
754.4 |
182.3 |
VCl3(s) |
−580.7 |
−511.2 |
131.0 |
VCl4(l) |
−569.4 |
−503.7 |
255.0 |
VCl4(g) |
−525.5 |
−492.0 |
362.4 |
V2O5(s) |
−1550.6 |
−1419.5 |
131.0 |
Zinc: | |||
Zn(s) |
0.0 |
0.0 |
41.6 |
Zn(g) |
130.4 |
94.8 |
161.0 |
ZnCl2(s) |
−415.1 |
−369.4 |
111.5 |
Zn(NO3)2(s) |
−483.7 |
— |
— |
ZnS(s, sphalerite) |
−206.0 |
−201.3 |
57.7 |
ZnSO4(s) |
−982.8 |
−871.5 |
110.5 |
Zirconium: | |||
Zr(s) |
0.0 |
0.0 |
39.0 |
Zr(g) |
608.8 |
566.5 |
181.4 |
ZrCl2(s) |
−502.0 |
−386 |
110 |
ZrCl4(s) |
−980.5 |
−889.9 |
181.6 |
From UC Davis Chem Wiki (creative commons licence): UC Davis GeoWiki by University of California, Davis. CC-BY-NC-SA-3.0
Original Source of data: CRC Handbook of Chemistry and Physics,84th Edition (2004).