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Geometry for C5H4 (pentatetraene) 1A1 D2D

1910171554
InChI=1S/C5H4/c1-3-5-4-2/h1-2H2 INChIKey=UNSWNZFTRPSXHQ-UHFFFAOYSA-N

B1B95/6-311G**


Point group is D2d
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
C1 0.0000 0.0000 0.0000   0.0000 0.0000 0.0000
C2 0.0000 0.0000 1.2723   1.2723 0.0000 0.0000
C3 0.0000 0.0000 -1.2723   -1.2723 0.0000 0.0000
C4 0.0000 0.0000 2.5781   2.5781 0.0000 0.0000
C5 0.0000 0.0000 -2.5781   -2.5781 0.0000 0.0000
H6 0.0000 0.9272 3.1390   3.1390 0.9272 0.0000
H7 0.0000 -0.9272 3.1390   3.1390 -0.9272 0.0000
H8 0.9272 0.0000 -3.1390   -3.1390 0.0000 0.9272
H9 -0.9272 0.0000 -3.1390   -3.1390 0.0000 -0.9272
Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9
C1 1.2723 1.2723 2.5781 2.5781 3.2731 3.2731 3.2731 3.2731
C2 1.2723 2.5446 1.3058 3.8504 2.0843 2.0843 4.5077 4.5077
C3 1.2723 2.5446 3.8504 1.3058 4.5077 4.5077 2.0843 2.0843
C4 2.5781 1.3058 3.8504 5.1562 1.0837 1.0837 5.7918 5.7918
C5 2.5781 3.8504 1.3058 5.1562 5.7918 5.7918 1.0837 1.0837
H6 3.2731 2.0843 4.5077 1.0837 5.7918 1.8545 6.4135 6.4135
H7 3.2731 2.0843 4.5077 1.0837 5.7918 1.8545 6.4135 6.4135
H8 3.2731 4.5077 2.0843 5.7918 1.0837 6.4135 6.4135 1.8545
H9 3.2731 4.5077 2.0843 5.7918 1.0837 6.4135 6.4135 1.8545
Maximum atom distance is 6.4135Å between atoms H6 and H8.
picture of pentatetraene
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 180.000
C2 C1 C3 180.000
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C2 C4 H6 121.171 C2 C4 H7 121.171
C3 C5 H8 121.171 C3 C5 H9 121.171
H6 C4 H7 117.659 H8 C5 H9 117.659

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