Thermodynamic quantities for substances and ions at 25 oC

Thermodynamic Quantities for Substances and Ions at 25^oC.

Inorganic Substances

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
e^–(g)	0	0	20.87

Aluminum

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Al(s)	0	0	28.3
Al³⁺(aq)	–531	–485	–321.7
AlCl₃(s)	–705.6	–630.1	109.3
Al₂Cl₆(g)	–1291	–1221	490
AlF₃(s)	–1504	–1425	66.48
Al₂O₃(, s )	–1676	–1582	50.94
Al(OH)₃(s)	–1276	–	–
Al₂(SO₄)₃(s)	–3441	–3100	239

Barium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Ba(s)	0	0	62.3
Ba²⁺(aq)	–537.6	–560.8	9.6
Ba²⁺(g)	1649.9
Ba(g)	175.6	144.8	170.28
Ba⁺(g)	684.6
BaCO₃(s)	–1216	–1138	112
BaCl₂(s)	–858.1	–810.4	123.7
BaF₂(s)	–1209	–1159	96.40
BaO(s)	–548.1	–520.4	72.09
Ba(OH)₂(s)	–946.0	–859.4	107
Ba(OH)₂•8H₂O(s)	–3342	–2793	427
BaSO₄(s)	–1473	–1362	132

Beryllium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Be(s)	0	0	9.54
BeCl₂(s)	–496.2	–449.5	75.81
BeF₂(s)	–1027	–979.5	53.35
BeO(s)	–608.4	–579.1	13.77

Bismuth

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Bi(s)	0	0	56.74
BiCl₃(s)	–379	–315	177
Bi₂O₃(s)	–573.9	–493.7	151

Boron

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
B(s, -rhomohedral)	0	0	5.86
BCl₃(l)	–427.2	–387	206
BF₃(g)	–1137	–1120.3	254.0
B₂H₆(g)	36	86.6	232.0
B₂O₃(s)	–1272	–1193	53.8

Bromine

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Br(g)	111.9	82.40	174.90
Br^–(aq)	–120.9	–102.82	80.71
Br^–(g)	–218.9
Br₂(g)	30.91	3.13	245.38
Br₂(l)	0	0	152.23
BrCl(g)	14.6	–0.96	240.0
BrF₃(g)	–255.6	–229.5	292.4
BrF₃(l)	–300.8	–240.6	178.2
HBr(g)	–36.40	–53.43	198.6

Cadmium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Cd(s)	0	0	51.76
Cd(g)	112.8	78.20	167.64
Cd²⁺(aq)	–75.90	–77.61	–73.2
CdCl₂(s)	–391.5	–344.0	115.3
CdO(s)	–258	–228	54.8
CdS(s)	–144	–141	71

Calcium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Ca(s)	0	0	41.4
Ca(g)	192.6	158.9	154.78
Ca²⁺(aq)	–542.96	–553.04	–55.2
Ca²⁺(g)	1934.1
Ca⁺(g)	788.6
CaBr₂(s)	–682.8	–663.6	130.
CaCO₃(s)	–1207	–1128	88.70
CaCl₂(s)	–795.8	–748.1	105
CaF₂(s)	–1220	–1167	68.87
CaH₂(s)	–186	–147	42
Ca(NO₃)₂(s)	–938.4	–743.2	193
CaO(s)	–635.1	–604.0	39.75
Ca(OH)₂(s)	–986.1	–898.6	83.39
CaOH⁺(aq)		–718.4
Ca₃(PO₄)₂(s)	–4121	–3885	236
CaSO₄(s)	–1434	–1322	106.7

Carbon

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
C(g)	716.7	671.3	158.0
C(s, graphite)	0	0	5.74
C(s, diamond)	1.90	2.90	2.38
CCl₄(g)	–102.9	–60.63	309.7
CCl₄(l)	–135.4	–65.27	216.2
C₂N₂(g)	308.9	297.2	242.3
CN^–(aq)	151	166	118
HCN(g)	135	125	201.7
HCN(l)	105	121	112.8
HCN(aq)	105	112	129
CO(g)	–110.5	–137.2	197.6
CO₂(g)	–393.5	–394.4	213.6
CO₂(aq)	–412.9	–386.2	121
CO₃^2–(aq)	–677.1	–527.8	–56.9
HCO₃^–(aq)	–691.11	–587.06	95.0
H₂CO₃(aq)	–698.7	–623.42	191
C₃O₂(g)	–93.72	–109.8	276.4
C₃O₂(l)	–117.3	–105.0	181.1
COCl₂(g)	–220.9	–206.8	283.8
CH₃Cl(g)	–83.7	–60.2	234
CH₂Cl₂(l)	–117	–63.2	179
CHCl₃(l)	–132	–71.5	203
COS(g)	–138.4	–165.6	231.5
CS₂(g)	117	66.9	237.79
CS₂(l)	89.70	65.27	151.3

Cesium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Cs⁺(g)	458.5	427.1	169.72
Cs⁺(aq)	–248	–282.0	133
Cs(g)	76.7	49.7	175.5
Cs(s)	0	0	85.15
CsF(s)	–554.7	–525.4	88
CsCl(s)	–442.8	–414	101.18
CsBr(s)	–395	–383	121
CsI(s)	–337	–333	130

Chlorine

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Cl(g)	121.7	105.7	165.1
Cl^–(aq)	–167.2	–131.2	56.5
Cl^–(g)	–234	–240	153.25
Cl₂(g)	0	0	223.0
ClF₃(g)	–163.2	–123.0	281.5
ClO₂(g)	102.5	120.5	256.7
Cl₂O(g)	80.33	97.49	267.9
HCl(g)	–92.31	–95.30	186.8
HCl(aq)	–167.2	–131.3	56.48

Chromium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Cr(s)	0	0	23.66
CrCl₂(s)	–395.4	–356.0	115.3
CrCl₃(s)	–556.5	–486.1	123.0
Cr₂O₃(s)	–1135	–1053	81.17
CrO₄^2–(aq)	–881.2	–727.8	50.21
Cr₂O₇^2–(aq )	–1490.3	–1301.1	261.9
[Cr(H₂O)₆]³⁺(aq)	–1971

Cobalt

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Co(s)	0	0	30.0
Co²⁺(aq)	–67.4	–51.5	–155
Co³⁺(aq)	92.0	134.0	–305.0
CoO(s)	–237.9	–214.2	52.97
Co₃O₄(s)	–891.0	–774.0	102.5
Co(OH)₂(s, pink)	–539.7	–454.4	79.0
CoCl₂(s)	–312.5	–269.8	109.2

Copper

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Cu(s)	0	0	33.15
Cu(g)	341.1	301.4	166.29
Cu⁺(aq)	51.9	50.2	–26
Cu²⁺(aq)	64.77	65.49	–99.6
CuCl₂(s)	–220.1	–175.7	108.1
CuCO₃•Cu(OH)₂(s)	–1051	–893.7	186
Cu₂O(s)	–168.6	–146.0	93.14
CuO(s)	–157.3	–129.7	42.63
Cu(OH)₂(s)	–450.2	–373	108
CuSO₄•5H₂O(s)	–2279.6	–1880.1	300.4

Fluorine

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
F(g)	78.99	61.92	158.7
F^–(g)	–255.6	–262.5	145.47
F^–(aq)	–332.6	–278.8	–13.8
F₂(g)	0	0	202.7
HF(g)	–271.1	–273.2	173.7

Helium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
He(g)	0	0	126.0

Hydrogen

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
H(g)	218.0	203.3	114.6
H⁺(g)	1536.3	1517.1	108.83
H⁺(aq)	0	0	0
H₃O⁺(aq)	–285.8		69.91
H₂(g)	0	0	130.6
HBr(g)	–36.40	–53.43	198.6
HCl(g)	–92.31	–95.30	186.8
HCl(aq)	–167.2	–131.3	56.48
HCN(g)	135	125	201.7
HF(g)	–271.1	–273.2	173.7
HI(g)	26.48	1.72	206.5
HNO₃(l)	–173.2	–79.91	155.6
HNO₃(aq)	–207.4	–113.3	146.4
H₂O(g)	–241.8	–228.6	188.7
H₂O(l)	–285.8	–237.2	69.91
H₂O₂(g)	–136.1	–105.5	232.9
H₂O₂(l)	–187.8	–120.4	110
H₂O₂(aq)	–191.2	–134.1	144
H₂S(g)	–20.63	–33.56	205.7
H₂SO₄(l)	–814.0	–690.1	156.9
H₂SO₄(aq)	–909.3	–744.6	20.08

Iodine

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
I(g)	106.8	70.28	180.7
I^–(g)	–194.7
I^–(aq)	–55.19	–51.57	111.3
I₂(g)	62.44	19.36	260.6
I₂(s)	0	0	116.1
IBr(g)	40.84	3.72	258.7
ICl(g)	17.78	–5.44	247.4
ICl(l)	–23.89	–13.60	135.1
HI(g)	26.48	1.72	206.5

Iron

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Fe(s)	0	0	27.28
Fe(l)	13.13	11.05	34.29
Fe²⁺(aq)	–89.1	–78.90	–137.7
Fe³⁺(aq)	–48.5	–4.7	–315.9
FeCO₃(s)	–740.6	–666.7	92.88
FeCl₂(s)	–341.8	–302.3	118.0
FeCl₃(s)	–399.5	–334.1	142.3
FeO(s)	–272.0	–251.5	60.75
Fe₂O₃(s)	–824.2	–742.2	87.40
Fe₃O₄(s)	–1118.4	–1015.4	146.4
Fe(OH)₃(s)	–823.0	–696.6	107

Lead

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Pb(s)	0	0	64.81
Pb²⁺(aq)	–1.7	–24.43	10.5
PbBr₂(s)	–278.7		161.5
PbCl₂(s)	–359	–314	136
PbI₂(s)	–175.5	–173.6	174.8
PbO(s, red)	–219.0	–189.2	66.5
PbO₂(s)	–277	–217.4	68.6
PbS(s)	–98.3	–96.7	91.3
PbSO₄(s)	–919.9	–813.2	148.6

Lithium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Li(s)	0	0	29.12
Li⁺(aq)	–278.5	–293.3	13.4
Li(g)	161	128	138.67
Li⁺(g)	687.163	649.989	132.91
LiF(s)	–616.9	–588.7	35.66
LiCl(s)	–408.6	–384.4	59.33
LiBr(s)	–351	–342	74.1
LiI(s)	–270	–270	85.8
Li₂O(s)	–597.94	–561.18	37.57
LiOH(s)	–484.9	–439.0	42.80
LiNO₃(s)	–483.1	–381.1	90.0

Magnesium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Mg(s)	0	0	32.69
Mg(g)	150	115	148.55
Mg⁺(g)	894.1
Mg²⁺(g)	2351
Mg²⁺(aq)	–466.9	–454.8	–138.1
MgCl₂(s)	–641.3	–591.8	89.62
MgCO₃(s)	–1096	–1012	65.7
MgF₂(s)	–1124	–1071	57.24
MgO(s)	–601.7	–569.4	26.94
MgOH⁺(aq)		–626.7
Mg(OH)₂(s)	–924.7	–833.9	63.18
Mg₃N₂(s)	–461	–401	88
MgSO₄(s)	–1285	–1171	91.6

Manganese

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Mn(s, )	0	0	32.0
Mn²⁺(aq)	–220.8	–228.1	–73.6
MnCl₂(s)	–481.3	–440.5	118.2
MnO₂(s)	–520	–465.2	53.05
MnO₄^–(aq)	–541.4	–447.2	191.2
MnO₄^2–(aq)	–653.0	–500.7	59.0

Mercury

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Hg(g)	61.32	31.85	174.9
Hg(l)	0	0	76.02
Hg²⁺(aq)		164.8
Hg₂²⁺(aq)	172.4	153.9	84.5
HgCl₂(s)	–230	–184	144
Hg₂Br₂(s)	–206.9		218.0
Hg₂Cl₂(s)	–265.4	–210.66	191.6
Hg₂I₂(s)	–121.3		233.5
HgO(s)	–90.83	–58.56	70.29

Nickel

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Ni(s)	0	0	30.1
Ni²⁺(aq)	–64.0	–46.4	–159
NiCl₂(s)	–305.3	–259.0	97.7
Ni(OH)₂(s)	–529.7	–447.2	88.0

Nitrogen

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
N(g)	472.7	455.6	153.2
N₂(g)	0	0	191.5
NF₃(g)	–124.7	–83.2	260.7
NH₃(g)	–46.11	–16.48	192.3
NH₃(aq)	–80.29	–26.57	111.3
NH₄⁺(aq)	–132.5	–79.31	113.4
NH₄Br(s)	–270.8	–175	113.0
NH₄Cl(s)	–314.4	–203.0	94.56
NH₄F(s)	–464.0	–348.8	71.96
NH₄HCO₃(s)	–849.4	–666.1	121
NH₄I(s)	–201.4	–113	117
NH₄NO₃(s)	–365.6	–184.0	151.1
NH₄NO₃(aq)	–339.9	–190.7	259.8
(NH₄)₂SO₄(s)	–1181	–901.9	220.1
N₂H₄(g)	95.40	159.3	238.4
N₂H₄(l)	50.63	149.2	121.2
NO(g)	90.25	86.57	210.6
N₂O(g)	82.05	104.2	219.7
NO₂(g)	33.18	51.30	240.0
N₂O₄(g)	9.16	97.82	304.2
N₂O₄(l)	–19.6	97.40	209.2
N₂O₅(g)	11.3	115.1	355.7
NO₃^–(aq)	–205.0	–108.7	146.4
HNO₃(l)	–173.2	–79.91	155.6
HNO₃(aq)	–207.4	–113.3	146.4
NOBr(g)	82.17	82.4	273.5
NOCl(g)	51.71	66.07	261.6

Oxygen

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
O(g)	249.2	231.7	160.9
O₂(g)	0	0	205.0
O₃(g)	142.7	163.2	238.8
OH^–(aq)	–230.0	–157.2	–10.75
OF₂(g)	24.5	41.8	247.3

Phosphorous

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
P(g)	333.9	292.0	163.1
P( ,s, white)	0	0	41.1
P₄(s, red)	–17.6	–12.1	22.8
P₂(g)	146.2	103.8	218.0
P₄(g)	58.9	24.5	279.9
PCl₃(g)	–287.0	–267.8	311.7
PCl₃(l)	–319.7	–272.3	217.1
PCl₅(g)	–374.5	–305.0	364.5
PCl₅(l)	–443.5	–	–
PH₃(g)	5.4	13.4	210.1
P₄O₁₀(s)	–2984	–2698	228.9
PO₄³^–(aq)	–1277	–1019	–222
HPO₄²^–(aq)	–1292.1	–1089.3	–33
H₂PO₄^–(aq)	–1296.3	–1130.4	90.4
H₃PO₄(aq)	–1288.3	–1142.7	158

Potassium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
K(g)	89.24	60.63	160.2
K(l)	2.28	0.26	71.46
K(s)	0	0	64.18
K⁺(aq)	–252.4	–283.3	102.5
K⁺(g)	514.197	481.202	154.47
KBr(s)	–393.8	–380.7	95.90
KCN(s)	–113	–101.9	128.5
KCl(s)	–436.7	–409.2	82.59
KClO₃(s)	–397.7	–296.3	143
KClO₄(s)	–432.8	–303.2	151.0
KF(s)	–567.3	–537.8	66.57
KI(s)	–327.9	–324.9	106.3
KNO₃(s)	–494.6	–394.9	133.1
KOH(s)	–424.8	–379.1	78.87
KOH(aq)	–482.4	–440.5	91.63
K₂SO₄(s)	–1438	–1321	175.6

Rubidium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Rb⁺(g)	495.04
Rb⁺(aq)	–246	–282.2	124
Rb(g)	85.81	55.86	169.99
Rb(s)	0	0	69.5
RbF(s)	–549.28
RbCl(s)	–430.58
RbBr(s)	–389.2	–378.1	108.3
RbI(s)	–328	–326	118.0

Silicon

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Si(s)	0	0	18.8
SiH₄(g)	34	56.9	204.5
Si₂H₆(g)	80.3	127	272.5
SiO₂(s, quartz)	–910.9	–856.5	41.84

Silver

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Ag(s)	0	0	42.55
Ag(g)	289.2	250.4	172.892
Ag⁺(aq)	105.6	77.11	72.68
AgBr(s)	–100.4	–96.90	107
AgCl(s)	–127.1	–109.8	96.2
AgF(s)	–203	–185	84
AgI(s)	–61.84	–66.19	115
AgNO₃(s)	–124.4	–33.5	140.9
Ag₂O(s)	–31.0	–11.2	121
Ag₂S(s)	–31.8	–40.3	146
Ag₂SO₄(s)	–715.9	–618.5	200.4

Sodium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Na(g)	107.3	76.78	153.6
Na(l)	2.41	0.50	57.86
Na(s)	0	0	51.21
Na⁺(aq)	–240.1	–261.9	59.0
Na⁺(g)	609.839	574.877	147.85
Na₂(g)	142.0	104.0	230.1
NaBr(s)	–361.1	–349.0	86.82
Na₂CO₃(s)	–1131	–1044	135.0
NaHCO₃(s)	–950.8	–851.0	102
NaCl(s)	–411.1	–384.0	72.13
NaCl(aq)	–407.3	–393.1	115.5
NaClO₃(s)	–365.8	–262.3	123
NaClO₄(s)	–383.3	–254.9	142.3
NaF(s)	–573.7	–543.5	51.46
NaH(s)	–56.27	–33.5	40.02
NaI(s)	–287.8	–286.1	98.53
NaNO₃(s)	–467.9	–367.1	116.5
NaNO₃(aq)	–447.4	–373.2	205.4
Na₂O₂(s)	–510.9	–447.7	94.98
NaOH(s)	–425.6	–379.5	64.48
NaOH(aq)	–469.2	–419.2	48.1
NaH₂PO₄(s)	–1537	–1386	127.5
Na₂HPO₄(s)	–1748	–1608	150.5
Na₃PO₄(s)	–1917	–1789	173.8
NaHSO₄(s)	–1125	–992.9	113
Na₂SO₄(s)	–1387	–1270	149.6
Na₂SO₄(aq)	–1390	–1268	138.1
Na₂SO₄•10H₂O(s)	–4327	–3647	592.0
Na₂S₂O₃(s)	–1123	–1028	155

Strontium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Sr²⁺(g)	1784
Sr²⁺(aq)	–545.8	–557.3	–32.6
Sr⁺(g)	719.6
Sr(g)	164	110	164.54
Sr(s)	0	0	54.4
SrCl₂(s)	–828.4	–781.2	117
SrF₂(s)	–1216.3		82.1
SrO(s)	–592.0	–562.4	55.5
SrCO₃(s)	–1218	–1138	97.1
SrSO₄(s)	–1445	–1334	122

Sulfur

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
S(s, rhombic)	0	0	31.8
S(s, monoclinic)	0.30	0.096	32.6
S₈(g)	102.3	49.16	430.2
S(g)	279	239	168
S₂(g)	129	80.1	228.1
S^2–(aq)	41.8	83.7	22
HS^–(aq)	–17.7	12.6	61.1
H₂S(g)	–20.63	–33.56	205.7
H₂S(aq)	–39	–27.4	122
S₂Cl₂(g)	–18.4	–31.8	331.5
SF₆(g)	–1209	–1105	291.7
SO₂(g)	–296.8	–300.2	248.1
SO₃(g)	–395.7	–371.1	256.6
SO₄^2–(aq)	–909.3	–744.5	20.1
HSO₄^–(aq)	–885.75	–752.87	126.9
H₂SO₄(l)	–814.0	–690.1	156.9
H₂SO₄(aq)	–909.3	–744.6	20.08
S₂O₃^2–(aq )	–648.5	–522.5	67
SO₂Cl₂(g)	–364.0	–320.0	311.8
SO₂Cl₂(aq)	–394.1	–314	207

Tin

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Sn(s, white)	0	0	51.55
Sn(s, gray)	–2.1	0.1	44.14
SnCl₄(l)	–511.3	–440.2	259
SnO(s)	–286	–257	56.5
SnO₂(s)	–580.7	–519.7	52.3

Titanium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Ti(s)	0	0	30.6
TiCl₂(s)	–513.8	–464.4	87.4
TiCl₃(s)	–720.9	–653.5	139.7
TiCl₄(g)	–763.2	–726.8	355
TiCl₄(l)	–804.2	–737.2	252.3
TiO₂(s)	–944.7	–889.5	50.33

Uranium

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
U(s)	0	0	50.21
UF₆(g)	–2147	–2064	378
UF₆(s)	–2197	–2069	228
UO₂(s)	–1085	–1032	77.03

Zinc

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
Zn(s)	0	0	41.6
Zn(g)	130.5	94.93	160.9
Zn²⁺(aq)	–153.9	–147.1	–112.1
ZnCl₂(s)	–415.1	–369.4	111.5
Zn(OH)₂(s)	–641.9	–553.5	81.2
ZnO(s)	–348.3	–318.3	43.64
ZnS(s, zincblende)	–203	–198	57.7

Organic Substances

Substance or Ion	H_f^o (kJ/mol)	G_f^o (kJ/mol)	S^o (J/mol•K)
CH₄(g) methane	–74.81	–50.75	186.2
C₂H₂(g) acetylene	226.7	209.2	200.8
C₂H₄(g) ethylene	52.26	68.12	219.4
C₂H₆(g) ethane	–84.68	–32.89	229.5
C₃H₈(g) propane	–103.8	–23.56	270.2
C₄H₁₀(g) butane	–125.7	–17.15	310.1
C₆H₆(g) benzene	82.93	129.7	269.2
C₆H₆(l) benzene	48.99	124.4	173.3
C₆H₁₂(g) cyclohexane	–123.1	31.8	298.2
C₆H₁₂(l) cyclohexane	–156.2	26.7	204.3
C₁₀H₈(g) naphthalene	149	223.6	335.6
C₁₀H₈(s) naphthalene	75.3	201.0	166.9
HCHO(g) formaldehyde	–117.0	–110.0	218.7
CH₃OH(g) methanol	–200.7	–162.0	239.7
CH₃OH(l) methanol	–238.7	–166.4	126.8
CH₃CHO(g) acetaldehyde	–166.1	–133.4	246.4
CH₃CHO(l) acetaldehyde	–191.8	–128.3	160.4
C₂H₅OH(g) ethanol	–234.4	–167.9	282.6
C₂H₅OH(l) ethanol	–277.7	–174.9	160.7
C₆H₅OH(s) phenol	–165.0	–50.42	144.0
(CH₃)₂CO(g) acetone	–216.6	–153.1	294.9
(CH₃)₂CO(l) acetone	–247.6	–155.7	200.4
HCOOH(l) formic acid	–409	–346	129.0
HCOOH(aq) formic acid	–410	–356	164
HCOO^–(aq) formate ion	–410	–335	91.6
CH₃COOH(g) acetic acid	–432.3	–374.0	282.5
CH₃COOH(l) acetic acid	–484.1	–389.9	159.8
CH₃COOH(aq) acetic acid	–488.3	–396.6	178.7
C₆H₅COOH(s) benzoic acid	–385.1	–245.3	167.6
CH₃NH₂(g) methylamine	–23.0	32.3	242.6
C₆H₅NH₂(g) aniline	86.86	166.7	319.2
C₆H₅NH₂(l) aniline	31.6	149.1	191.3
C₆H₁₂O₆(s) glucose	–1273.3	–910.4	212.1
C₁₂H₂₂O₁₁(s) sucrose	–2226.1		360.2

Thermodynamic Quantities for Substances and Ions at 25oC.

Organic Substances

Thermodynamic Quantities for Substances and Ions at 25^oC.