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Geometry for C2H4F2 (1,2-difluoroethane) 1A C2 gauche

1910171554
InChI=1S/C2H4F2/c3-1-2-4/h1-2H2 INChIKey=AHFMSNDOYCFEPH-UHFFFAOYSA-N

HF/aug-cc-pVDZ


Point group is C2
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
C1 0.2623 0.7041 0.5096   0.5345 0.2070 0.7041
C2 -0.2623 -0.7041 0.5096   0.4790 -0.3148 -0.7041
F3 -0.2623 1.4113 -0.5446   -0.5693 -0.2033 1.4113
F4 0.2623 -1.4113 -0.5446   -0.5138 0.3185 -1.4113
H5 -0.0342 1.2066 1.4298   1.4182 -0.1852 1.2066
H6 1.3459 0.7160 0.4136   0.5536 1.2946 0.7160
H7 0.0342 -1.2066 1.4298   1.4254 -0.1172 -1.2066
H8 -1.3459 -0.7160 0.4136   0.2689 -1.3820 -0.7160
Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6 H7 H8
C1 1.5028 1.3736 2.3635 1.0896 1.0878 2.1330 2.1476
C2 1.5028 2.3635 1.3736 2.1330 2.1476 1.0896 1.0878
F3 1.3736 2.3635 2.8709 1.9981 1.9969 3.2924 2.5724
F4 2.3635 1.3736 2.8709 3.2924 2.5724 1.9981 1.9969
H5 1.0896 2.1330 1.9981 3.2924 1.7827 2.4142 2.5396
H6 1.0878 2.1476 1.9969 2.5724 1.7827 2.5396 3.0489
H7 2.1330 1.0896 3.2924 1.9981 2.4142 2.5396 1.7827
H8 2.1476 1.0878 2.5724 1.9969 2.5396 3.0489 1.7827
Maximum atom distance is 3.2924Å between atoms F3 and H7.
picture of 1,2-difluoroethane
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 F4 110.431 C2 C1 F3 110.431
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 H7 109.702 C1 C2 H8 110.976
C2 C1 H5 109.702 C2 C1 H6 110.976
F3 C1 H5 107.866 F3 C1 H6 107.883
F4 C2 H7 107.866 F4 C2 H8 107.883
H5 C1 H6 109.916 H7 C2 H8 109.916

For information on specific bond angles or dihedrals see the geometry comparison page in section Comparisons > Geometry > Bonds, angles.