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Reference Tables and Other Information for Chemistry

Standard Entropy Values

Standard entropy values indicate the absolute entropy (in J/mol/K) of a variety of substances at 25°C.  Learn more on our Tutorial page

 

Substance Notes Entropy
(J/mol/K)
Ag(s)   42.6
Ag(g)   172.9
Ag-(aq)   72.7
Ag2C2O4(s)   209.2
Ag2CO3(s)   167.4
Ag2CrO4(s)   217.6
Ag2MoO4(s)   213.4
Ag2O(s)   121.3
Ag2O2(s)   117.2
Ag2O3(s)   100.4
Ag2S(s) alpha, orthorhombic 144.0
Ag2S(s) beta 150.6
Ag2Se(s)   150.7
Ag2SeO3(s)   230.1
Ag2SeO4(s)   248.5
Ag2SO3(s)   158.2
Ag2SO4(s)   200.4
Ag2Te(s)   154.8
AgBr(s)   107.1
AgBrO3(s)   152.7
AgCl(s)   96.2
AgClO2 (s)   134.6
AgCN(s)   107.2
AgF(s)   84.0
AgF•2H2O(s)   174.9
AgI(s)   115.5
AgIO3(s)   149.4
AgN3(s)   104.2
AgNO2(s)   128.2
AgNO3(s)   140.9
AgO(s)   57.8
AgOCN(s)   121.3
AgReO4(s)   153.1
AgSCN(s)   131.0
Al(BH4)3(l)   289.1
Al(BH4)3(g)   379.1
Al(CH3)3(l)   209.4
Al(s)   28.3
Al(l)   35.2
Al(g)   164.6
Al3+(aq)   -321.7
Al(OH)4(aq)   117.0
Al2O3(s)   50.9
AlBr3(s)   180.2
AlCl3(s)   112.3
AlF3(s)   66.5
AlI3(s)   189.5
AlN(s)   20.2
AlN(g)   211.7
AlO(g)   218.3
AlOCl(s)   54.4
AlOCl(g)   248.8
AlOF(g)   234.3
AlOH(g)   216.3
AlPO4(s)   90.8
AlS(g)   230.5
Ar(g)   154.9
Au(s)   47.4
Au(g)   180.4
Au(CN)2-(aq)   171.5
AuBr4-(aq)   336.0
AuCl4-(aq)   266.9
AuH(g)   211.0
B(s)   5.9
B(g)   153.3
B(CH3)3(l)   238.9
B(CH3)3(g)   314.6
B(OH)4-(aq)   102.5
B2(g)   201.8
B2Cl4(l)   262.3
B2H6(g)   232.0
B2O2(g)   242.4
B2O3(s)   54.0
B2O3(g)   279.7
B2S3(s)   100.0
B3N3H6(l)   199.6
B4C(s)   27.1
B5H9(l)   184.2
Ba(s)   62.3
Ba(l)   66.7
Ba(g)   170.0
Ba2+(aq)   9.6
Ba(BrO3)2(s)   242.7
Ba(BrO3)2•H2O(s)   292.5
Ba(ClO3)2(s)   196.6
Ba(ClO4)2•3H2O(s)   393.3
Ba(IO3)2(s)   249.4
Ba(IO3)2•H2O(s)   297.1
Ba(N3)2•H2O(s)   188.3
Ba(NO3)2(s)   213.8
Ba(OH)2(s)   112.0
Ba(OH)2•8H2O(s)   426.8
Ba(ReO4)2•4H2O(s)   376.6
Ba2TiO4(s)   196.6
BaBr2(s)   146.4
BaBr2(g)   330.5
BaBr2•2H2O(s)   225.9
BaCl2(s)   123.7
BaCl2(l)   143.5
BaCl2(g)   325.6
BaCl2•2H2O(s)   202.9
BaCO3(s)   112.1
BaCrO4(s)   158.6
BaF2(s)   96.4
BaF2(l)   121.3
BaF2(g)   301.2
BaH2(s)   63.0
BaI2(s)   165.1
BaI2(l)   183.7
BaI2(g)   348.1
BaMoO4(s)   138.1
BaO(s)   72.1
BaO(l)   96.6
BaO(g)   235.4
BaS(s)   78.2
BaSeO3(s)   167.4
BaSeO4(s)   175.7
BaSiF6(s)   163.2
BaSiO3(s)   109.6
BaSO4(s)   132.2
BaTiO3(s)   107.9
BaZrO3(s)   124.7
BBr(g)   224.9
BBr3(g)   324.1
BBr3(l)   229.7
BCl3(l)   206.3
BCl3(g)   290.0
BCl2F(g)   284.5
BClF2(g)   272.0
Be(s)   9.5
Be(l)   16.5
Be(g)   136.3
Be2+(aq)   -129.7
Be(OH)2(s)   45.5
Be2C(s)   16.3
Be2SiO4(s)   64.3
Be3N2(s) cubic 34.1
BeAl2O4(s)   66.3
BeBr2(s)   106.3
BeC2(g)   218.4
BeCl2(s)   75.8
BeF2(s)   53.4
BeI2(s)   120.5
BeO(s)   13.8
BeO(g)   197.5
BeSO4(s)   77.9
BeSO4•4H2O(s)   233.0
BeWO4(s)   88.4
BF3(g)   254.0
BF4-(aq)   179.9
BH(g)   171.8
BH3(g)   188.2
BH4-(aq)   110.5
Bi(s)   56.7
Bi(g)   187.0
Bi2O3(s)   151.5
BiCl3(s)   177.0
BN(g)   212.2
Br(g)   175.0
Br-(aq)   82.6
Br2(l)   152.2
Br2(g)   245.5
BrCl(g)   240.1
BrF(g)   229.0
BrF3(l)   178.2
BrF3(g)   292.5
BrF5(l)   225.1
BrO(g)   237.4
BrO-(aq)   41.8
BrO3-(aq)   163.2
C(s) diamond 2.4
C(s) graphite 5.7
C(g)   158.1
C12H22O11(s) sucrose 360.2
C2H2(g) ethyne 200.9
C2H4(g) ethene 219.6
C2H5OH(l) ethanol 160.7
C2H5OH(g) ethanol 282.7
C2H6(g) ethane 229.6
C3H8(g) propane 269.9
C3O2(l)   1811.0
C3O2(g)   276.4
C4H10(g) n-butane 310.1
C4H8(g) cyclobutane 265.4
C4N2(g)   290.0
C5H10(g) cyclopentane 292.9
C5H10(l) cyclopentane 204.3
C6H12(l) cyclohexane 204.3
C6H12(g) cyclohexane 298.2
C6H14(l) n-hexane 296.0
C6H5CH3(l) toluene 221.0
C6H5CH3(g) toluene 320.7
C6H5COOH(s) benzoic acid 167.6
C6H5OH(s) phenol 144.0
C6H5OH(g) phenol 315.6
C6H6(l) benzene 173.3
C6H6(g) benzene 269.2
C7H14(l) cycloheptane 242.5
C8H16(l) cyclooctane 262.0
C8H18(l) n-octane 361.2
Ca(s)   41.6
Ca(l)   50.7
Ca(g)   154.8
Ca2+(aq)   -55.2
Ca(ClO4)2•4H2O(s)   433.5
Ca(H2PO4)2•H2O(s)   259.8
Ca(IO3)2(s)   230.1
Ca(IO3)2•6H2O(s)   451.9
Ca(NO3)2(s)   193.3
Ca(NO3)2•2H2O(s)   269.4
Ca(NO3)2•3H2O(s)   319.2
Ca(NO3)2•4H2O(s)   375.3
Ca(OH)2(s)   83.4
Ca[Mg(CO3)2(s) dolomite 155.2
Ca10(PO4)6(OH)2(s) hydroxyapatite 780.7
Ca10(PO4)6F2(s) fluorapatite 775.7
Ca2P2O7(s) beta 189.2
Ca2SiO4(s) beta 127.7
Ca2SiO4(s) gamma 120.8
Ca3(AsO4)2(s) (s) 225.9
Ca3(PO4)2(s) beta 236.0
Ca3(PO4)2(s) alpha 240.9
CaBr2(s)   129.7
CaBr2(l)   147.9
CaBr2(g)   314.6
CaBr2•6H2O(s)   410.0
CaC2(s)   70.0
CaC2O4•H2O(s)   156.5
CaCl2(s)   104.6
CaCO3(s) aragonite 88.0
CaCO3(s) calcite 91.7
CaF2(s)   68.5
CaH2(s)   41.4
CaI2(s)   142.0
CaO(s)   38.1
CaS(s)   56.5
CaSO4(s)   106.5
CBr4(s)   212.5
CBr4(g)   358.1
CCl2F2(g)   300.8
CCl2O(g)   283.5
CCl4(l)   216.4
CCl4(g)   309.9
Cd(s)   51.8
Cd(g)   167.7
Cd2+(aq)   −73.2
CdBr2(s)   137.2
CdCl2(s)   115.3
CdCO3(s)   92.5
CdF2(s)   77.4
CdO(s)   54.8
CdS(s)   64.9
CdSO4(s)   123.0
CF4(g)   261.6
CH3CHOHCH3(l) 2-propanol 180.6
CH3CHOHCH3(g) 2-propanol 309.9
CH3COCH3(l) acetone 200.4
CH3COCH3(g) acetone 294.9
CH3COOH(l) acetic acid 159.8
CH3COOH(g) acetic acid 282.5
CH3OCH3(g) dimethyl ether 267.1
CH3OH(l) methanol 127.2
CH3OH(g) methanol 239.7
CH4(g) methane 186.3
CHCl3(l)   201.7
CHCl3(g)   295.7
Cl(g)   165.1
Cl-(aq)   56.6
Cl2(g)   223.1
C2F6(g)   489.5
Cl2O(g)   266.2
ClF(g)   217.9
ClF3(g)   281.6
ClF5(g)   310.6
ClO(g)   226.6
ClO-(aq)   41.8
ClO2(g)   263.7
ClO2-(aq)   101.3
ClO3-(aq)   162.3
ClO4(aq)   182.0
CNBr(g)   247.1
CNCl(g)   235.5
CNI(s)   128.9
CNI(g)   256.6
CO(g)   197.9
CO(NH2)2(s) urea 104.6
Co(s)   30.0
Co(g)   179.5
Co2+(aq)   -113.0
Co3+(aq)   -305.4
Co(NH3)63+(aq)   146.4
Co(OH)2(s) pink 79.5
Co3O4(s)   114.2
CoCl2(s)   109.2
CoCl2•2H2O(s)   188.3
CoCl2•6H2O(s)   343.1
CoCl3(g)   334.1
CoF2(s)   82.0
CoF3(s)   94.6
CoO(s)   53.0
CoSi(s)   43.1
CoSO4(s)   118.0
CoSO4•6H2O(s)   367.6
CoSO4•7H2O(s)   406.1
CO2(aq)   117.6
CO2(g)   213.8
CO32-(aq)   -53.1
COBr2(g)   309.0
COCl2(g)   283.5
COF2(g)   258.7
COS(g)   231.5
Cr(s)   23.8
Cr(l)   36.2
Cr(g)   174.5
Cr2N(s)   64.9
Cr2O3(s)   81.2
Cr2O3(l)   125.6
Cr2O72-(aq)   261.9
Cr3C2(s)   85.4
Cr7C3(s)   200.8
CrCl2(s)   115.3
CrCl3(s)   123.0
CrF3(s)   93.9
CrN(s)   37.7
CrN(g)   230.5
CrO(g)   239.2
CrO2(g)   269.1
CrO2Cl2(l)   221.8
CrO2Cl2(g)   329.7
CrO3(g)   266.2
CrO42-(aq)   50.2
Cs(s)   85.2
Cs(l)   92.1
Cs(g)   175.6
Cs+(aq)   169.7
CS(g)   210.5
CS2(l)   151.3
CS2(g)   237.8
Cs2O(g)   318.0
CsAl(SO4) 2•12H2O(s)   686.2
CsBr(s)   113.4
CsCl(s)   101.2
CsCl(l)   101.7
CsCl(g)   256.0
CsF(s)   88.3
CsF(l)   90.1
CsF(g)   243.1
CsH(g)   214.4
CsI(s)   125.5
CsOH(s)   98.7
CsOH(l)   118.4
CsOH(g)   255.1
Cu(s)   33.1
Cu(g)   166.4
Cu+(aq)   40.6
Cu2+(aq)   -99.6
Cu(C2O4)22-(aq)   146.4
Cu(NH3)22+(aq)   111.3
Cu(NH3)32+(aq)   199.6
Cu(NH3)42+(aq)   273.6
Cu2O(s)   93.1
Cu2S(s)   120.9
CuBr(s)   96.1
CuCl(s)   86.2
CuCl2(s)   108.1
CuCl2•2H2O(s)   167.4
CuCN(s)   84.5
CuCO3•Cu(OH)2(s) malachite 186.2
CuF(s)   64.9
CuF2(s)   68.6
CuFe2O4(s)   141.0
CuFeO2(s)   88.7
CuI(s)   96.7
CuN3(s)   100.4
CuO(s)   42.6
CuS(s)   66.5
CuSO4(s)   109.2
CuSO4•H2O(s)   146.0
CuSO4•3H2O(s)   221.3
CuSO4•5H2O(s)   300.4
F(g)   158.7
F-(aq)   -13.8
F-(g)   145.5
F2(g)   202.8
F2O(g)   247.5
FB(g)   200.5
Fe(s) alpha 27.3
Fe(l)   34.3
Fe(g)   180.5
Fe2+(aq)   -137.7
Fe3+(aq)   -315.9
Fe(CN)63-(aq)   270.3
Fe(CN)64-(aq)   95.0
Fe(CO)5(l)   338.1
Fe(CO)5(g)   445.2
Fe(OH)2+(aq)   -142.3
Fe(OH)3(s)   106.7
Fe2(SO4)3(s)   307.5
Fe2O3(s) hematite 87.4
Fe2SiO4(s) fayalite 145.2
Fe3C(s)   104.6
Fe3O4(s) magnetite 146.4
Fe3Si(s)   103.8
Fe4N(s)   156.1
Fe7S8(s) pyrrhotite 485.8
FeAl2O4(s)   106.3
FeAsS(s)   121.3
FeBr2(s)   140.6
FeCl2(s)   118.0
FeCl3(s)   142.3
FeCO3(s)   92.9
FeCr2O4(s)   146.0
FeF2(s)   87.0
FeF3(s)   98.3
FeI2(s)   167.4
FeMoO4(s)   129.3
FeO(s)   60.7
FeOH+(aq)   -29.3
FePO4•2H2O(s) strengite 171.3
FeS(s) pyrrhotite 60.3
FeS2(s) pyrite 52.9
FeSi(s)   46.0
FeSi2(s) beta-lebanite 55.6
FeSO4(s)   120.9
FeSO4•7H2O(s)   409.2
FeWO4(s)   131.8
FNO3(g)   73.6
FO(g)   216.4
H(g)   114.7
H+(aq)   0.0
H2(g)   130.7
H2AsO4-(aq)   117.2
H2CO3(aq)   191.0
H2CS3(l)   223.0
H2MoO4(g)   355.6
H2O(l)   69.9
H2O(g)   188.8
H2O2(l)   109.6
H2O2(g)   232.7
H2PO4-(aq)   90.4
H2S(g)   205.8
H2Se(g)   219.0
H2SiO3(s)   133.9
H2SO4(l)   156.9
H2SO4(g)   289.1
H2SO4(aq)   20.1
H2VO4-(aq)   121.3
H2WO4(s)   146.4
H2WO4(g)   351.5
H3BO3(s)   88.8
H3PO4(s)   110.5
H3PO4(l)   150.8
H4SiO4(s)   192.5
HAsO42-(aq)   -1.7
HBO2(s) monoclinic 37.7
HBO2(s) orthorhombic 50.2
HBr(g)   198.7
HBr(aq)   82.4
HCl(g)   186.9
HCl(aq)   56.5
HClO(g)   236.6
HCN(l)   112.8
HCN(g)   201.8
HCO2-(aq)   91.6
HCO2H(aq)   164.0
HCO3-(aq)   95.0
HF(aq)   -13.8
HF(g)   173.8
He(g)   126.2
Hg(CH3)2(g)   305.4
Hg(l)   75.9
Hg(g)   175.0
Hg2+(aq)   −32.2
Hg2(g)   288.1
Hg2Br2(s)   218.0
Hg2Cl2(s)   191.6
Hg2CO3   179.9
Hg2F2(s)   159.0
Hg2I2(s)   233.5
Hg2(N3)2   205.0
Hg2SO4(s)   200.7
HgBr2(s)   172.0
HgCl(g)   259.8
HgCl2(s)   146.0
HgF2(s)   116.3
HgH(g)   219.5
HgI(g)   281.4
HgI2(s)   180.0
HgI2(g)   336.0
HgO(s) yellow 71.1
HgO(s) red-hexagonal 71.1
HgO(s) red-orthorhombic 70.3
HgS(s) black 88.3
HgS(s) red 82.4
HgSe(s)   94.1
HgSe(g)   267.0
HgTe(s)   106.7
HI(g)   206.6
HI(aq)   111.3
HIO3(s)    
HN3(g)   238.9
HNCO(g)   238.1
HNCS(g)   247.7
HNO2(g)   174.8
HNO3(l)   155.6
HNO3(g)   266.4
HNO3(aq)   146.4
HOF(g)   226.6
HPO42-(aq)   -33.5
HS-(aq)   62.8
HSe-(aq)   -664.8
HSeO4-(aq)   149.4
HSO3-(aq)   139.7
HSO3F(g)   297.1
HSO4-(aq)   131.8
HVO42-(aq)   16.7
I(g)   180.8
I-(aq)   111.3
I2(s)   116.1
I2(g)   260.7
IBr(g)   258.8
ICl(l)   135.1
ICl(g)   247.6
ICl3(s)   167.4
IF(g)   236.2
IF5(g)   334.7
IF7(g)   346.4
IO(g)   245.4
IO-(aq)   -5.4
IO3-(aq)   118.4
K(s)   64.7
K(l)   71.5
K(g)   160.3
K+(aq)   102.5
K2B4O7(s)   208.4
K2CO3(s)   155.5
K2O(s)   94.1
K2O2(s)   102.1
K2SiO3(s)   146.1
K2SO4(s)   175.6
K3AlCl6(s)   376.6
KAl(SO4)2   204.6
KAl(SO4)2•12H2O   687.4
KAlCl4(s)   196.6
KBF4(s)   133.9
KBH4(s)   106.6
KBO2(s)   80.0
KBr(s)   95.9
KBrO3(s)   149.2
KCl(s)   82.6
KCl(g)   239.5
KClO3(s)   143.1
KClO4(s)   151.0
KCN(s)   127.8
KF(s)   66.6
KF•2H2O(s)   150.6
KH(s)   50.2
KH2(s)   104.3
KH2AsO4(s)   155.1
KI(s)   106.3
KIO3(s)   151.5
KMnO4(s)   171.7
KNO2(s)   152.1
KNO3(s)   133.1
KO2(s)   122.6
KOH(s)   78.9
KOH(aq)   91.6
Kr(g)   164.1
KSCN(s)   124.3
Li(s)   29.1
Li(g)   138.8
Li+(aq)   12.4
Li2B4O7(s)   155.6
Li2BeF4(s)   130.5
Li2CO3(s)   90.2
Li2O(s)   37.9
Li2O2(s)   56.5
LiBr(s)   74.3
LiCl(s)   59.3
LiF(s)   35.7
LiI(s)   86.8
LiNO3(s)   90.0
LiOH(aq)   2.8
LiOH(s)   42.8
Mg(s)   32.7
Mg(g)   148.6
Mg2+(aq)   −138.1
Mg(OH)2(s)   63.2
MgBr2(s)   117.2
MgCl2(s)   89.6
MgCl2•6H2O(s)   179.9
MgCO3(s)   65.7
MgCr2O4(s)   106.0
MgF2(s)   57.2
MgFe2O4(s)   123.8
MgH2(s)   31.1
MgI2(s)   129.7
MgMoO4(s)   118.8
MgO(s)   26.9
MgS(s)   50.3
MgSiO3(s) clinoenstatite 67.8
MgSO4(s)   91.6
MgSO4•H2O(s)   126.4
MgSO4•6H2O(s)   348.1
MgSO4•7H2O(s)   372.4
MgTi2O5(s)   127.3
MgTiO3(s)   74.6
MgWO4(s)   101.2
Mn(s)   32.0
Mn(g)   173.6
Mn2+(aq)   -73.6
Mn(IO3)2   263.6
Mn(OH)2(s) amorphous 99.2
Mn2O3(s)   110.5
Mn2SiO4(s)   163.2
Mn3C(s)   98.7
Mn3O4(s)   155.6
MnC2O4•2H2O(s)   200.8
MnCl2(s)   118.2
MnCl2•H2O(s)   174.1
MnCl2•2H2O(s)   218.8
MnCl2•4H2O(s)   303.3
MnCO3(s) natural 85.8
MnCO3(s) precipitated 113.0
MnF2(s)   -748.9
MnO(s)   59.7
MnO2(s)   53.1
MnO4-(aq)   191.2
MnS(s)   78.2
MnSe(s)   90.8
MnSiO3(s)   89.1
MnSO4(s)   112.1
Mo(s)   28.7
Mo(g)   182.0
MoO2(s)   46.3
MoO3(s)   77.7
MoS2(s)   62.6
MoS3(s)   119.0
N(g)   153.3
N2(g)   191.6
(NH4)2O(l)   267.5
(NH4)2SiF6(s) hexagonal 280.2
(NH4)2SO4(s)   220.1
N2F2(g) trans 262.5
N2F2(g) cis 259.8
N2H2(g) trans 220.1
N2H2(g) cis, diimide 218.4
N2H4(l)   121.2
N2H4(g)   238.5
N2O(g)   220.0
N2O2(g)   287.5
N2O3(g)   312.2
N2O4(s)   150.3
N2O4(l)   209.2
N2O4(g)   304.2
N2O5(s)   347.2
N3-(aq)   107.9
Na(s)   51.2
Na(l)   57.9
Na(g)   153.7
Na+(aq)   58.5
Na2B4O7(s)   189.5
Na2CO3(s)   135.0
Na2O(s)   75.1
Na2O2(s)   94.8
Na2S(s)   97.9
Na2SiO3(s)   113.8
Na2SO3(s)   146.0
Na2SO4(s)   149.6
Na2SO4•10H2O(s)   592.9
Na2WO4(s)   160.2
Na3AlCl6(s)   347.3
Na3AlF6(s) cryolite 238.5
Na3AlF6(l)   286.6
NaAlCl4(s)   188.3
NaAlO2(s)   70.4
NaBH4(s)   101.4
NaBO2(s)   73.5
NaBr(s)   86.8
NaBr(g)   241.2
NaBr(aq)   141.4
NaCl(s)   72.1
NaCl(g)   229.8
NaCl(aq)   115.5
NaClO4(s)   142.3
NaCN(s)   115.6
NaF(s)   51.2
NaF(aq)   45.2
NaH(g)   188.0
NaH(s)   40.0
NaHCO3(s)   102.1
NaI(s)   98.3
NaN3(s)   96.9
NaNO3(s)   116.5
NaNO3(aq)   205.4
NaOH(s)   64.4
NaOH(l)   75.9
NaOH(aq)   48.1
NaOH•H2O(s)   84.5
Ne(g)   146.3
NF3(g)   260.8
NH(g) imidogen 181.1
NH2(g) amidogen 194.6
NH3(aq)   111.0
NH3(g)   192.3
NH4+(aq)   111.2
NH4Al(SO4)2(s)   216.3
NH4Br(s)   113.0
NH4Cl(s)   94.6
NH4Cl(aq)   169.9
NH4ClO4(s)   184.2
NH4F(s)   72.0
NH4H2AsO4(s)   172.0
NH4H2PO4(s)   152.0
NH4HCO3(s)   120.9
NH4HF2(s)   115.5
NH4HS(s)   97.5
NH4HSe(s)   96.7
NH4I(s)   117.2
NH4N3(s)   112.5
NH4NO3(s)   151.1
NH4NO3(aq)   259.8
NH4OH(l)   165.6
NH4ReO4(s)   232.6
NH4VO3(s)   140.6
Ni(CN)42-(aq)   217.6
Ni(CO)4(l)   313.4
Ni(CO)4(g)   410.5
Ni(g)   182.2
Ni(IO3)2(s)   213.4
Ni(OH)2(s)   88.0
Ni(s)   29.9
Ni2+(aq)   -128.9
Ni2O3(s)    
Ni3S2(s)   133.9
NiCl2(s)   97.7
NiCl2•2H2O(s)   175.7
NiCl2•4H2O(s)   242.7
NiCl2•6H2O(s)   344.3
NiF2(s)   73.6
NiO(s)   38.0
NiS(s)   53.0
NiSO4(s)   97.1
NiSO4•6H2O(s) tetrahedral 332.2
NiSO4•7H2O(s)   378.9
NO(g)   210.8
NO2(g)   240.1
NO2-(aq)   140.2
NO2Cl(g)   272.0
NO2F(g)   260.2
NO3(g)   252.5
NO3-(aq)   146.4
NOBr(g)   273.5
NOCl(g)   261.7
NOF(g)   248.0
NOF3(g)   278.4
O(g)   161.1
O2(g)   205.1
O2F2(g)   268.1
O3(g)   238.9
OCN-(aq)   106.7
OF(g)   217.7
OF2(g)   247.3
OH-(aq)   -10.9
Os(s)   32.6
Os(g)   192.6
OsO4(s)   143.9
OsO4(g)   293.8
P(s) red 22.8
P(s) white 41.1
P(l) red V 42.9
P(g) red V 163.1
P2(g)   218.1
P4(s) red 91.2
P4(s) white 164.4
P4(g)   280.0
P2H4(l)   167.4
P2O74-(aq)   -117.2
P4O10(s)   228.9
P4S3(s)   200.8
P4S3(l)   207.1
P4S3(g)   319.2
Pb(s)   64.8
Pb(l)   71.7
Pb(g)   175.3
Pb2+(aq)   10.5
Pb(IO3)2(s)   313.0
Pb(N3)2(s) monoclinic 148.1
Pb(N3)2(s) orthorhombic 149.4
Pb(NO3)2(aq)   303.3
Pb(ReO4)2•2H2O   309.6
Pb2SiO4(s)   187.0
Pb3(PO4)2(s)   353.1
Pb3O4(s)   212.1
PbB2O4(s)   130.5
PbB4O7(s)   166.9
PbBr2(s)   161.1
PbBr2(l)   173.9
PbBr2(g)   339.3
PbBr4(g)   426.1
PbC2O4(s)   146.0
PbCl2(s)   136.0
PbCl2(l)   153.2
PbCl2(g)   317.1
PbCl4(g)   381.5
PbClF(s)   121.8
PbCO3(s)   131.0
PbF2(s) alpha 113.0
PbF2(s) beta 114.4
PbF4(g)   333.5
PbI2(s)   174.8
PbI2(l)   198.9
PbI4(g)   466.1
PbO(s) red 66.5
PbO•PbCO3(s)   204.2
PbO2(s)   68.6
PBr3(l)   240.2
PBr3(g)   348.0
PbS(s)   91.2
PbSe(s)   102.5
PbSeO4(s)   167.8
PbSiO3(s)   110.0
PbSiO4(s)   84.0
PbSO4(s)   148.5
PbTe(s)   110.0
PCl3(l)   217.1
PCl3(g)   311.8
PCl5(g)   364.6
PF3(g)   273.1
PF5(g)   300.8
PH3(g)   310.2
PH4Br(s)   110.0
PH4I(s)   123.0
PN(g)   211.1
Po(g)   188.8
PO43-(aq)   -221.8
POBr3(g)   359.7
POCl2F(g)   320.3
POCl3(g)   325.3
POCl3(l)   222.5
POCl3(g)   325.5
POClF2(g)   301.6
POF3(g)   285.3
PSBr3(g)   372.7
PSCl3(g)   337.2
PSF3(g)   298.0
Ra(s)   71.1
Ra(g)   176.4
Ra(IO3)2(s)   272.0
Ra(NO3)2(s)   221.8
RaCl2•2H2O(s)   213.4
RaSO4(s)   138.1
Rb(s)   76.8
Rb(g)   170.1
RbBr(s)   104.9
RbCl(s)   95.9
RbClO3(s)   151.9
RbClO4(s)   160.7
RbI(s)   118.0
Rn(g)   176.1
S(s) rhombic 31.9
S(l)   35.1
S(g)   167.7
S2-(aq)   -14.6
S2(g)   228.1
S8(g)   430.2
S2Cl2(g)   331.5
Se(s)   42.4
Se(g)   176.7
SF2Cl(g)   319.1
SF4(g)   291.1
SF6(g)   291.8
Si(s)   18.8
Si(g)   168.0
Si2(g)   229.8
Si2H6(g)   272.5
Si3N4(s)   113.0
SiBr4(g)   377.8
SiBr4(l)   277.8
SiC(s)   16.6
SiC(g)   236.6
SiCl2(g)   280.3
SiCl4(g)   330.6
SiCl4(l)   239.7
SiF(g)   225.7
SiF2(g)   256.8
SiF4(g)   282.5
SiH3Cl(g)   250.5
SiH3F(g)   238.3
SiH4(g)   204.6
SiHCl3(l)   227.6
SiN(g)   216.6
SiO2(s) cristobalite 42.7
SiO2(s) quartz 41.8
SiO2(s) amorphous 46.9
SiO2(s) tridymite 43.5
SiOF2(g)   271.2
SiS(g)   223.6
SiS2(s)   80.3
Sn(s) white 51.5
Sn(s) gray 44.1
Sn2+(aq)   −17.4
SnBr4(s)   264.4
SnBr4(g)   411.8
SnCl4(l)   258.6
SnCl4(g)   365.8
SnH4(g)   227.6
SnO(s)   56.5
SnO2(s)   52.3
SnS(s)   77.0
SO(g)   221.8
SO2(g)   248.2
SO2Cl2(g)   311.8
SO2F2(g)   283.9
SO3(s) beta 52.3
SO3(l)   95.6
SO3(g)   256.8
SO32-(aq)   -29.3
SO42-(aq)   18.5
SOCl2(g)   309.8
SOCl2(g)   309.8
Sr(s)   52.3
Sr(l)   57.2
Sr(g)   164.5
Sr(BrO3)2•H2O(s)   280.3
Sr(IO3)2(s)   234.3
Sr(IO3)2•6H2O(s)   456.1
Sr(NO3)2(s)   194.6
Sr(NO3)2•4H2O(s)   369.0
Sr2SiO4(s)   153.1
Sr2TiO4(s)   159.0
Sr3(AsO4) 2(s)   255.2
SrBr2(s)   143.4
SrBr2•6H2O(s)   405.8
SrCl2(s)   114.9
SrCl2•2H2O(s)   217.6
SrCl2•6H2O(s)   390.8
SrCO3(s) strontianite 97.1
SrF2(s)   82.1
SrHPO4(s)   121.4
SrI2(s)   159.1
SrO(s)   55.5
SrS(s)   68.2
SrSiO3(s)   96.7
SrSO4(s)   117.6
SrTiO3(s)   108.8
SrWO4(s)   138.1
SrZrO3(s)   115.1
Ti(s)   30.7
Ti(g)   180.3
Ti2O3(s)   78.8
Ti3O5(s) alpha 129.3
Ti4O7(s)   198.7
TiB(s)   34.7
TiB2(s)   28.5
TiCl4(s)   208.8
TiBr2(s)   108.4
TiBr3(s)   176.4
TiBr4(s)   243.6
TiBr4(l)   284.2
TiBr4(g)   398.9
TiC(s)   24.2
TiCl2(s)   87.4
TiCl3(s)   139.7
TiCl4(l)   252.3
TiCl4(g)   354.9
TiF2(g)   255.2
TiF3(s)   87.9
TiF4(s)   134.0
TiF4(g)   314.6
TiH2(s)   29.7
TiI2(s)   121.3
TiI3(s)   192.5
TiI4(s)   246.0
TiI4(l)   311.8
TiN(s)   30.3
TiO(s) alpha 34.8
TiO2(s) rutile 50.3
TiO2(s) anatase 49.9
TiOCl2(g)   320.9
TiOF2(g)   284.6
U(s)   50.2
U(g)   199.8
U2N3(s)   121.3
UBr3(s)   205.0
UBr4(s)   234.3
UCl3(s)   159.0
UCl4(s)   198.3
UCl5(s)   242.7
UCl6(s)   285.8
UF3(s)   117.2
UF4(s)   151.0
UF4(g)   368.0
UF5(s)   197.9
UF6(s)   227.6
UF6(g)   377.9
UH3(s)   63.9
UI3(s)   234.3
UI4(s)   280.3
UICl3(s)   225.9
UN(s)   62.3
UO2(s)   77.0
UO2(g)   274.6
UO2(NO3)2(s)   276.1
UO2(NO3)2•2H2O(s)   355.6
UO2(NO3)2•3H2O(s)   393.3
UO2(NO3)2•6H2O(s)   505.6
UO2(NO3)2•H2O(s)   318.0
UO2SO4•3H2O(s)   263.6
UO3(s)   98.6
V(s)   28.9
V(g)   182.3
V2O5(s)   131.0
VCl3(s)   131.0
VCl4(l)   255.0
VCl4(g)   362.4
W(s)   32.7
W(l)   45.7
W(g)   173.8
W3O8(g)   493.7
WBr5(s)   272.0
WBr6(s)   313.8
WCl2(s)   130.5
WCl4(s)   198.3
WCl5(s)   217.6
WCl6(s)   238.5
WF6(l)   249.4
WF6(g)   347.7
WO2(s)   50.5
WO2Cl2(s)   200.8
WO3(s)   75.9
WOCl4(s)   172.8
WOCl4(g)   377.0
WOF4(g)   334.7
Xe(g)   169.7
Zn(ClO4)2•6H2O   545.6
Zn(s)   41.6
Zn(g)   161.0
Zn2+(aq)   −112.1
Zn(NO3)2(s)    
Zn(NO3)2•6H2O(s)   456.9
Zn(OH)2(s) beta 81.2
Zn(OH)2(s) epsilon 81.6
Zn2SiO4(s)   -1523.2
ZnBr2(s)   138.5
ZnBr2•2H2O(s)   198.7
ZnC2O4•2H2O(s)   195.4
ZnCl2(s)   111.5
ZnCO3(s)   82.4
ZnF2(s)   73.7
ZnI2(s)   161.1
ZnO(s)   43.6
ZnS(s) sphalerite 57.7
ZnSe(s)   83.7
ZnSeO3•H2O(s)   163.2
ZnSO4(s)   110.5
ZnSO4•H2O(s)   138.5
ZnSO4•6H2O(s)   363.6
ZnSO4•7H2O(s)   388.7
Zr(s)   39.0
Zr(g)   181.4
ZrCl2(s)   110.0
ZrCl4(s)   181.6

 

 

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