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Geometry for CH3CCH (propyne) 1A' C3V

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

B3LYP/6-31G


Point group is C3v
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
C1 0.0000 0.0000 -1.2432   -1.2432 -0.0000 0.0000
C2 0.0000 0.0000 0.2179   0.2179 0.0000 0.0000
C3 0.0000 0.0000 1.4307   1.4307 0.0000 0.0000
H4 0.0000 0.0000 2.4949   2.4949 0.0000 0.0000
H5 0.0000 1.0214 -1.6426   -1.6426 -1.0214 0.0000
H6 0.8845 -0.5107 -1.6426   -1.6426 0.5107 -0.8845
H7 -0.8845 -0.5107 -1.6426   -1.6426 0.5107 0.8845
Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C1 1.4611 2.6739 3.7380 1.0967 1.0967 1.0967
C2 1.4611 1.2128 2.2769 2.1224 2.1224 2.1224
C3 2.6739 1.2128 1.0641 3.2386 3.2386 3.2386
H4 3.7380 2.2769 1.0641 4.2617 4.2617 4.2617
H5 1.0967 2.1224 3.2386 4.2617 1.7690 1.7690
H6 1.0967 2.1224 3.2386 4.2617 1.7690 1.7690
H7 1.0967 2.1224 3.2386 4.2617 1.7690 1.7690
Maximum atom distance is 4.2617Å 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 111.361 C2 C1 H6 111.361
C2 C1 H7 111.361 C2 C3 H4 180.000
H5 C1 H6 107.517 H5 C1 H7 107.517
H6 C1 H7 107.517

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