PM7 Accuracy Date:Mon Feb 11 04:20:05 2019

difluoroacetylene   1548 Difluoroacetylene

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    #  Species Formula
  1538 BHF2HBF2
  1539 HBF2 (Geo)HBF2
  1540 Difluoroborane (1)HBF2
  1541 Difluoromethylene (Geo)CF2
  1542 DifluoromethyleneCF2
  1543 Difluoromethyl, cationHCF2
  1544 Difluoromethane, cationCH2F2
  1545 DifluoromethaneCH2F2
  1546 DifluoromethylboraneH3BCF2
  1547 MethyldifluoroboraneH3BCF2
  1548 Difluoroacetylene C2F2
  1549 gem-DifluoroethyleneC2H2F2
  1550 CH3CF2, cationC2H3F2
  1551 1,1-DifluoroethaneC2H4F2
  1552 F2BCHCH2H3BC2F2
  1553 1,2-DifluorobenzeneC6H4F2
  1554 1,3-DifluorobenzeneC6H4F2
  1555 1,4-DifluorobenzeneC6H4F2
  1556 Phenyldifluoroborane (Geo)H5BC6F2
  1557 NF2.NF2
  1558 Difluoro nitrogen, anionNF2


ΔHf: 5.0 kcal/mol,     REF: M. W. Chase, C. A. Davies, J. R. Downey, D. R. Frurip, R. A. McDonald, A. N. Syverud, JANAF Thermochemical Tables, Third Edition, J. Phys. Chem. Ref. Data 14, Suppl. 1 (1985).
I.P.: 11.2 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.
  
 PM7
Difluoroacetylene
 H=5 I=11.2 IR=LLNBS82 HR=JANAF86
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.20310073 +1    0.0000000 +0    0.0000000 +0     1     0     0
  F     1.27689842 +1  180.0000000 +0    0.0000000 +0     2     1     0
  F     1.27690414 +1  179.0000000 +0    0.0000000 +0     1     2     3