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

b2f4r   1610 B2F4 (Geo)

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    #  Species Formula
  1600 BF3OH, anion (Geo)HBOF3
  1601 (CH3)2O-BF3H6BC2OF3
  1602 (CH3CH2)2O-BF3H10BC4OF3
  1603 F3NONOF3
  1604 Trifluoroacetic acidHC2O2F3
  1605 B3O3F3B3O3F3
  1606 Be(II)F4(2-) (KIPPEE) (Geo)BeF4
  1607 Be(II)F4(2-) (KIPPEE)BeF4
  1608 Fluoroboric acid anion (Geo)BF4
  1609 Fluoroboric acid anionBF4
  1610 B2F4 (Geo) B2F4
  1611 TetrafluorodiboraneB2F4
  1612 Carbon tetrafluorideCF4
  1613 Carbon tetrafluoride (Geo)CF4
  1614 Tetrafluoroethylene (Geo)C2F4
  1615 TetrafluoroethyleneC2F4
  1616 1,2,4,5-TetrafluorobenzeneC6H2F4
  1617 1-Fluoro-3-(trifluoro-methyl)benzeneC7H4F4
  1618 TetrafluorohydrazineN2F4
  1619 N,N,N',N'-tetrafluoro-1,1-cyclohexanediamineC6H10N2F4
  1620 N,N,N',N'-Tetrafluoro-4-methyl-1,2-pentaneC6H12N2F4


REF: J. H. Callomon, E. Hirota, T. Iijima, K. Kuchitsu, W. J. Lafferty, "Structure Data on Free Polyatomic Molecules," Landolt-Bornstein, New Series, Group II, Vol. 15, Springer, Berlin (1977).
  
 GNORM=5 PM7
B2F4
 <B-B> <B-F> <F-B-B> GR=CHIK1986
  B     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  B     1.72000000 +1    0.0000000 +0    0.0000000 +0     1     0     0
  F     1.31700000 +1  121.4000000 +1    0.0000000 +0     2     1     0
  F     1.31181138 +1  123.2324648 +1  180.0000000 +0     1     2     3
  F     1.31116834 +1  122.5797981 +1    0.0000000 +0     1     2     3
  F     1.30950799 +1  125.1164002 +1  180.0000000 +0     2     1     5