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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-307.455385
Energy at 298.15K 
HF Energy-306.387721
Nuclear repulsion energy298.736610
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.18987 0.05092 0.04015

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
C2 0.000 0.000 2.028
C3 0.000 1.213 -0.120
C4 0.000 -1.213 -0.120
C5 0.000 1.209 -1.513
C6 0.000 -1.209 -1.513
C7 0.000 0.000 -2.213
C8 0.000 0.000 3.238
H9 0.000 0.000 4.300
H10 0.000 2.145 0.427
H11 0.000 -2.145 0.427
H12 0.000 2.146 -2.051
H13 0.000 -2.146 -2.051
H14 0.000 0.000 -3.294

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.44201.40341.40342.42262.42262.79912.65193.71382.15102.15103.40033.40033.8800
C21.44202.46662.46663.74203.74204.24111.21002.27182.67692.67694.60954.60955.3219
C31.40342.46662.42581.39372.79402.41933.57014.58301.08053.40222.14533.87473.3980
C41.40342.46662.42582.79401.39372.41933.57014.58303.40221.08053.87472.14533.3980
C52.42263.74201.39372.79402.41741.39654.90285.93762.15423.87451.08083.39752.1520
C62.42263.74202.79401.39372.41741.39654.90285.93763.87452.15423.39751.08082.1520
C72.79914.24112.41932.41931.39651.39655.45106.51293.40143.40142.15202.15201.0809
C82.65191.21003.57013.57014.90284.90285.45101.06183.53633.53635.70825.70826.5319
H93.71382.27184.58304.58305.93765.93766.51291.06184.42764.42766.70416.70417.5937
H102.15102.67691.08053.40222.15423.87453.40143.53634.42764.29022.47814.95524.2946
H112.15102.67693.40221.08053.87452.15423.40143.53634.42764.29024.95522.47814.2946
H123.40034.60952.14533.87471.08083.39752.15205.70826.70412.47814.95524.29192.4796
H133.40034.60953.87472.14533.39751.08082.15205.70826.70414.95522.47814.29192.4796
H143.88005.32193.39803.39802.15202.15201.08096.53197.59374.29464.29462.47962.4796

picture of phenylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C8 180.000 C1 C3 C5 120.023
C1 C3 H10 119.426 C1 C4 C6 120.023
C1 C4 H11 119.426 C2 C1 C3 120.198
C2 C1 C4 120.198 C2 C8 H9 180.000
C3 C1 C4 119.605 C3 C5 C7 120.237
C3 C5 H12 119.686 C4 C6 C7 120.237
C4 C6 H13 119.686 C5 C3 H10 120.551
C5 C7 C6 119.875 C5 C7 H14 120.063
C6 C4 H11 120.551 C6 C7 H14 120.063
C7 C5 H12 120.077 C7 C6 H13 120.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability