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All results from a given calculation for CHCCH2CH3 (1-Butyne)

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-155.648298
Energy at 298.15K 
HF Energy-154.957386
Nuclear repulsion energy102.932118
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pVTZ
ABC
0.90997 0.15180 0.13667

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.638 -1.866 0.000
C2 0.000 -0.845 0.000
C3 0.748 0.416 0.000
C4 -0.174 1.639 0.000
H5 -1.195 -2.770 0.000
H6 1.399 0.440 0.876
H7 1.399 0.440 -0.876
H8 0.413 2.557 0.000
H9 -0.814 1.637 -0.882
H10 -0.814 1.637 0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20372.67013.53521.06183.19893.19894.54603.61663.6166
C21.20371.46672.49032.26552.09182.09183.42722.75742.7574
C32.67011.46671.53163.73191.09161.09162.16682.17002.1700
C43.53522.49031.53164.52542.16362.16361.09001.08951.0895
H51.06182.26553.73194.52544.21874.21875.56434.51064.5106
H63.19892.09181.09162.16364.21871.75172.49453.06962.5165
H73.19892.09181.09162.16364.21871.75172.49452.51653.0696
H84.54603.42722.16681.09005.56432.49452.49451.76911.7691
H93.61662.75742.17001.08954.51063.06962.51651.76911.7639
H103.61662.75742.17001.08954.51062.51653.06961.76911.7639

picture of 1-Butyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.648 C2 C1 H5 179.610
C2 C3 C4 112.298 C2 C3 H6 108.821
C2 C3 H7 108.821 C3 C4 H8 110.353
C3 C4 H9 110.636 C3 C4 H10 110.636
C4 C3 H6 110.007 C4 C3 H7 110.007
H6 C3 H7 106.717 H8 C4 H9 108.525
H8 C4 H10 108.525 H9 C4 H10 108.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability