Accuracy

biphenyl    321 Biphenyl

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    #  Species Formula
   311 3,3,4,4-TetramethylhexaneC10H22
   312 n-DecaneC10H22
   313 PentamethylbenzeneC11H16
   314 1,1,4-TrimethylcycloheptaneC11H22
   315 Hexyl cyclopentaneC11H22
   316 Pentyl cyclohexaneC11H22
   317 UndecaneC11H24
   318 AcenaphthyleneC12H8
   319 BiphenyleneC12H8
   320 AcenaphtheneC12H10
   321 Biphenyl C12H10
   322 Biphenyl, for torsion (Torsion angle) (Geo)C12H10
   323 HexamethylbenzeneC12H18
   324 HexylcyclohexaneC12H24
   325 n-DuodecaneC12H26
   326 Tri-isobutylboraneH27BC12
   327 Tri-s-butylboraneH27BC12
   328 TributylboraneH27BC12
   329 FluoreneC13H10
   330 o-Methyl bipheny (Torsion angle) (Geo)C13H12
   331 Tri-t-butylmethaneC13H28


ΔHf: 43.5 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
  
 PM7
Biphenyl
 H=43.53,0.6 HR=C&P1970
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.39724065 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.39731305 +1  119.9793252 +1    0.0000000 +0     1     2     0
  C     1.39265974 +1  119.9039399 +1    0.1275897 +1     2     1     3
  C     1.39267251 +1  119.9076527 +1    0.0593535 +1     3     1     2
  C     1.39395505 +1  120.0960288 +1   -0.2081075 +1     4     2     1
  C     1.46808306 +1  120.0117638 +1 -179.8986492 +1     1     2     4
  C     1.39725787 +1  120.0032133 +1  -58.9367138 +1     7     1     2
  C     1.39266138 +1  119.9104368 +1 -179.8700675 +1     8     7     1
  C     1.39399388 +1  120.1166077 +1   -0.1369234 +1     9     8     7
  C     1.39408043 +1  119.9868782 +1    0.0405917 +1    10     9     8
  C     1.39724736 +1  120.0351010 +1  121.1287286 +1     7     1     2
  H     1.08851196 +1  119.8283884 +1  179.7625405 +1     2     1     3
  H     1.08849637 +1  119.8346558 +1  179.6991989 +1     3     1     2
  H     1.08815384 +1  119.8805948 +1  179.7886600 +1     4     2     1
  H     1.08816546 +1  119.8757829 +1  179.8164222 +1     5     3     1
  H     1.08758601 +1  120.0023057 +1 -179.9265781 +1     6     4     2
  H     1.08851993 +1  119.8425730 +1   -0.2261140 +1     8     7     1
  H     1.08817086 +1  119.8704443 +1  179.8285940 +1     9     8     7
  H     1.08753124 +1  120.0159925 +1 -179.9540213 +1    10     9     8
  H     1.08814621 +1  119.9994347 +1 -179.8879945 +1    11    10     9
  H     1.08853114 +1  119.8315068 +1   -0.3356646 +1    12     7     1