35, Brom (Br)

Bromine, gr. bromos = Gestank

Thermodynamik:

         
  S Cl Ar  
  Se Br Kr  
  Te I Xe  
         
  kJ/mol
Schmelzenthalpie: 5.8
Verdampfungsenthalpie: 14.8
Sublimationsenthalpie: 20.6
   
Atomisierungsenthalpie: 111.88

Kovalente Bindungs-Enthalpien ΔH:

Bindung: Energie
(kJ/mol)
Länge
(pm)
  Bindung: Energie
(kJ/mol)
Länge
(pm)

H−Br[1] 366.2   151   Li−Br[2] 418.8 ±1% 248
Be−Br[2] 316   216   B−Br[2] 390.9 ±0.1% 204
C−Br[2] 318 ±2.6% 196   Na−Br[2] 363.1 ±1.2% 286
Mg−Br[2] 318   261   Al−Br[2] 429.2 ±1.4% 241
Al−Br[1] 430   241   Si−Br[2] 358.2 ±2.3% 231
P−Br[1] 264   227   S−Br[2] 218 ±7.8% 225
Ar−Br[2][3] 5 ±10% 226   K−Br[2] 379.1 ±1.1% 323
Ca−Br[2] 339   296   Sc−Br[2] 444 ±14.2% 290
Ti−Br[2] 373   280   V−Br[2] 439 ±9.6% 273
Cr−Br[2] 328 ±7.4% 259   Mn−Br[2] 314.2 ±3.1% 259
Fe−Br[2] 243 ±34.6% 252   Co−Br[2] 326 ±12.9% 246
Ni−Br[2] 360 ±3.6% 244   Cu−Br[2] 331 ±7.6% 252
Zn−Br[2] 138 ±21% 242   Ga−Br[2] 402 ±3.2% 242
Ge−Br[2] 347 ±2.3% 240   As−Br[1] 258   239
Se−Br[2] 297 ±28.3% 240   Br−N[2] 280.8 ±7.5% 191
Br−O[1] 237.6 ±0.2% 186   Br−F[1] 280 ±4.3% 177
Br−Cl[1] 219.3 ±0.1% 222   Br−Br[1] 193.9   240
Rb−Br[2] 380.7 ±1.1% 340   Sr−Br[2] 365   315
Y−Br[2] 481 ±17.5% 310   Zr−Br[2] 420   295
Mo−Br[2] 313.4   274   Ag−Br[2] 280.3 ±0.5% 265
Cd−Br[2] 159 ±60.4% 264   In−Br[2] 409 ±2.4% 262
Sn−Br[2] 337 ±3.9% 259   Sn−Br[1] 555   259
Sb−Br[2] 314 ±18.8% 259   Te−Br[1] 176   258
I−Br[1] 179.1 ±0.2% 259   Xe−Br[2] 5.94 ±0.3% 260
Cs−Br[2] 389.1 ±1.1% 364   Ba−Br[2] 402   335
La−Br[2] 446.2   327   Ce−Br[2] 373.2   324
Pr−Br[2] 334.5   323   Nd−Br[2] 339.7   321
Sm−Br[2] 331.4   318   Eu−Br[2] 548   318
Gd−Br[2] 372   316   Tb−Br[2] 382.8   314
Dy−Br[2] 339.3 ±3.1% 312   Ho−Br[2] 321.8   312
Er−Br[2] 361.3   309   Tm−Br[2] 229.1   310
Yb−Br[2] 295.4   307   Lu−Br[2] 301.5   307
W−Br[2] 329.3   282   Au−Br[2] 213 ±9.9% 256
Au−Br[2] 213 ±9.9% 256   Hg−Br[2] 74.9   252
Tl−Br[2] 331 ±6.3% 265   Pb−Br[2] 248.5 ±5.9% 266
Bi−Br[2] 240.2   268   Th−Br[2] 364   326
U−Br[2] 377.4 ±1.7% 316    

[1] Kovalente Bindung innerhalb eines Moleküles, Durchschnittswert.
[2] Bindung innerhalb eines diatomaren Moleküles in der Gasphase.
[3] Originalangabe: ~5.0

Thermodynamische Daten der Brom-Modifikationen:

Phasenbezogene thermodynamische Daten:
  ΔFHo
in kJ/mol
ΔFGo
in kJ/mol
So
in J/mol•K
cp
in J/mol•K
Flüssig: -- -- 152.2 75.7
Gas: 30.91 3.1 245.5 36

Thermodynamische Daten der Phasenübergänge:
  Enthalpie ΔH Entropie ΔS  
Schmelzen: 11.598 kJ/mol 43.61 J/(mol•K)  
Verdampfen: 29.602 kJ/mol 89.18 J/(mol•K)  



Hydratisierungsenthalpien der Ionen:

Ladung: Vorgang Hydratisierungs-
enthalpie
ΔHhydr. in kJ/mol
   

-1 Br-(g) + H2O → Br-(aq) -351    

Legende: (g) = gaseous, gasförmig  (aq) = aqueous, in Wasser gelöst.
Quelle: Holleman-Wiberg, Lehrbuch der anorg. Chemie, 102. Auflage.