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Geometry for CHCCH2CH3 (1-Butyne) 1A' CS

1910171554
InChI=1S/C4H6/c1-3-4-2/h1H,4H2,2H3 INChIKey=KDKYADYSIPSCCQ-UHFFFAOYSA-N

G2
This model chemistry uses a geometry from MP2=FULL/6-31G*


Point group is Cs
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
C1 -0.6373 -1.8795 0.0000   -1.7065 -1.0130 0.0000
C2 0.0000 -0.8400 0.0000   -0.8218 -0.1741 0.0000
C3 0.7463 0.4190 0.0000   0.2552 0.8169 0.0000
C4 -0.1747 1.6419 0.0000   1.6424 0.1694 0.0000
H5 -1.1919 -2.7898 0.0000   -2.4822 -1.7442 0.0000
H6 1.4020 0.4483 0.8773   0.1480 1.4645 0.8773
H7 1.4020 0.4483 -0.8773   0.1480 1.4645 -0.8773
H8 0.4133 2.5636 0.0000   2.4222 0.9357 0.0000
H9 -0.8155 1.6406 -0.8842   1.7740 -0.4577 -0.8842
H10 -0.8155 1.6406 0.8842   1.7740 -0.4577 0.8842
Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C1 1.2193 2.6828 3.5516 1.0660 3.2166 3.2166 4.5656 3.6338 3.6338
C2 1.2193 1.4636 2.4881 2.2852 2.0964 2.0964 3.4286 2.7569 2.7569
C3 2.6828 1.4636 1.5309 3.7487 1.0957 1.0957 2.1703 2.1710 2.1710
C4 3.5516 2.4881 1.5309 4.5469 2.1634 2.1634 1.0933 1.0920 1.0920
H5 1.0660 2.2852 3.7487 4.5469 4.2406 4.2406 5.5889 4.5334 4.5334
H6 3.2166 2.0964 1.0957 2.1634 4.2406 1.7546 2.4943 3.0727 2.5177
H7 3.2166 2.0964 1.0957 2.1634 4.2406 1.7546 2.4943 2.5177 3.0727
H8 4.5656 3.4286 2.1703 1.0933 5.5889 2.4943 2.4943 1.7731 1.7731
H9 3.6338 2.7569 2.1710 1.0920 4.5334 3.0727 2.5177 1.7731 1.7684
H10 3.6338 2.7569 2.1710 1.0920 4.5334 2.5177 3.0727 1.7731 1.7684
Maximum atom distance is 5.5889Å between atoms H5 and H8.
picture of 1-Butyne
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 C3 179.675 C2 C3 C4 112.621
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C2 C1 H5 179.219 C2 C3 H6 108.742
C2 C3 H7 108.742 C3 C4 H8 110.223
C3 C4 H9 110.877 C3 C4 H10 110.877
C4 C3 H6 109.948 C4 C3 H7 109.948
H6 C3 H7 106.650 H8 C4 H9 108.316
H8 C4 H10 108.316 H9 C4 H10 108.142

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