silicate Casio3(s) -1499 -1434 07 -1332 sulfate hemihydrate CaSO4·1/2H2Os) 131 sulfate dihydrate CaSO4·2H2O(s) -2023 +194 -1797 sulfide Cas(s) -482 Carbon C(s(graphite 717 158 +671 carbonate ion CO32( 675 COCI(g) +284 cyanide ion CN(aq) dioxide CO2(g) 394 +214 394 dioxide CO(aq) -413 +119 disulfide CS2(1) +65 C2h6(g) hydrogen carbonate ion HCO(aq) -587 CHa(g) tetrabromide CBra(s) +213 etrachloride CCd) 135 216 tetrafluoride CFa(g) Cesium +85 176 bromide CsBr(s) +113 391 CS2CO3(s) +204 1054 chloride CsCl(s) +101 Cs2SO4(s) Chlorine Cl2(g)288 silicate CaSiO3(s) −1567 +82 −1499 sulfate CaSO4(s) −1434 +107 −1332 sulfate hemihydrate CaSO4·1/2H2O(s) −1577 +131 −1437 sulfate dihydrate CaSO4·2H2O(s) −2023 +194 −1797 sulfide CaS(s) −482 +56 −477 Carbon C(s) (graphite) 0 +6 0 C(s) (diamond) +2 +2 +3 C(g) +717 +158 +671 carbonate ion CO3 2− (aq) −675 −50 −528 chloride (-yl) (phosgene) COCl2(g) −219 +284 −205 cyanide ion CN− (aq) +151 +94 +172 dioxide CO2(g) −394 +214 −394 dioxide CO2(aq) −413 +119 −386 disulfide CS2(l) +90 +151 +65 ethane C2H6(g) −85 +230 −33 hydrogen carbonate ion HCO3 − (aq) −690 +98 −587 methane CH4(g) −75 +186 −51 monoxide CO(g) −111 +198 −137 tetrabromide CBr4(s) +19 +213 +48 tetrachloride CCl4(l) −135 +216 −65 tetrafluoride CF4(g) −933 +262 −888 thiocyanate ion NCS− (aq) +76 +144 +93 Cesium Cs(s) 0 +85 0 Cs(g) +76 +176 +49 Cs+ (aq) −258 +132 −291 bromide CsBr(s) −406 +113 −391 carbonate Cs2CO3(s) −1140 +204 −1054 chloride CsCl(s) −443 +101 −415 fluoride CsF(s) −554 +93 −526 iodide CsI(s) −347 +123 −341 nitrate CsNO3(s) −506 +155 −407 sulfate Cs2SO4(s) −1443 +212 −1324 Chlorine Cl2(g) 0 +223 0 C12(aq) −23 +121 +7 Cl(g) +121 +165 +105