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Geometry for CH3CCH (propyne) 1A' C3V

1910171554
InChI=1S/C3H4/c1-3-2/h1H,2H3 INChIKey=MWWATHDPGQKSAR-UHFFFAOYSA-N

PM6


Point group is C3v
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
C1 0.0000 0.0000 -1.2221   -1.2221 0.0000 0.0000
C2 0.0000 0.0000 0.2114   0.2114 0.0000 0.0000
C3 0.0000 0.0000 1.4166   1.4166 0.0000 0.0000
H4 0.0000 0.0000 2.4475   2.4475 0.0000 0.0000
H5 0.0000 1.0270 -1.6278   -1.6278 -0.6305 0.8107
H6 0.8894 -0.5135 -1.6278   -1.6278 1.0173 0.1407
H7 -0.8894 -0.5135 -1.6278   -1.6278 -0.3868 -0.9514
Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C1 1.4335 2.6387 3.6696 1.1042 1.1042 1.1042
C2 1.4335 1.2053 2.2361 2.1065 2.1065 2.1065
C3 2.6387 1.2053 1.0309 3.2130 3.2130 3.2130
H4 3.6696 2.2361 1.0309 4.2027 4.2027 4.2027
H5 1.1042 2.1065 3.2130 4.2027 1.7788 1.7788
H6 1.1042 2.1065 3.2130 4.2027 1.7788 1.7788
H7 1.1042 2.1065 3.2130 4.2027 1.7788 1.7788
Maximum atom distance is 4.2027Å between atoms H4 and H6.
picture of propyne
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 C3 180.000
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C2 C1 H5 111.554 C2 C1 H6 111.554
C2 C1 H7 111.554 C2 C3 H4 180.000
H5 C1 H6 107.310 H5 C1 H7 107.310
H6 C1 H7 107.310

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