Accuracy

pyridine    492 Pyridine

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    #  Species Formula
   482 Pyrrole (Geo)C4H5N
   483 PyrroleC4H5N
   484 ButanenitrileC4H7N
   485 Isobutane nitrileC4H7N
   486 PyrrolidineC4H9N
   487 2-ButylamineC4H11N
   488 2-Methyl-1-propylamineC4H11N
   489 N-ButylamineC4H11N
   490 t-ButylamineC4H11N
   491 Pyridine (Geo)C5H5N
   492 Pyridine C5H5N
   493 N-Methyl pyrroleC5H7N
   494 1,2,3,6-TetrahydropyridineC5H9N
   495 2-CyanobutaneC5H9N
   496 Butyl cyanideC5H9N
   497 t-ButylnitrileC5H9N
   498 CyclopentylamineC5H11N
   499 PiperidineC5H11N
   500 N-Methyl-n-butylamineC5H13N
   501 1-CyclopentenecarbonitrileC6H7N
   502 2-CyclopentenecarbonitrileC6H7N


ΔHf: 34.6 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
Dipole: 2.2 Debye,     REF: G. O. Sorensen, L. Mahler, J. Rastrup-Andersen, J. Mol. Struct., 20, 119 (1974).
I.P.: 9.7 eV,     REF: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.
  
 GEO-OK PM7
Pyridine
 DR=SMRA1974 I=9.67 IR=LLNBS82 D=2.22 H=34.6 HR=C&P1970
  N     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.34627489 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.40127622 +1  122.5804798 +1    0.0000000 +0     2     1     0
  C     1.39362607 +1  118.5214304 +1    0.0000000 +0     3     2     1
  C     1.39341350 +1  119.2786191 +1    0.0000000 +0     4     3     2
  C     1.40127312 +1  118.4726108 +1    0.0000000 +0     5     4     3
  H     1.08942654 +1  120.3380441 +1  180.0000000 +0     4     3     2
  H     1.08553771 +1  121.0028768 +1 -180.0000000 +0     5     4     3
  H     1.09609906 +1  121.6127867 +1 -180.0000000 +0     6     5     4
  H     1.08559514 +1  120.5153177 +1  180.0000000 +0     3     2     1
  H     1.09602183 +1  115.7003573 +1 -180.0000000 +0     2     1     6