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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-307.010699
Energy at 298.15K 
HF Energy-306.266460
Nuclear repulsion energy295.212164
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/6-31G
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G
ABC
0.18584 0.04967 0.03919

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.595
C2 0.000 0.000 2.050
C3 0.000 1.224 -0.122
C4 0.000 -1.224 -0.122
C5 0.000 1.221 -1.530
C6 0.000 -1.221 -1.530
C7 0.000 0.000 -2.239
C8 0.000 0.000 3.276
H9 0.000 0.000 4.349
H10 0.000 2.170 0.428
H11 0.000 -2.170 0.428
H12 0.000 2.170 -2.074
H13 0.000 -2.170 -2.074
H14 0.000 0.000 -3.332

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.45451.41851.41852.45122.45122.83402.68093.75372.17622.17623.43973.43973.9274
C21.45452.49262.49263.78243.78244.28851.22642.29922.70862.70864.65964.65965.3819
C31.41852.49262.44811.40862.82172.44553.61154.63511.09403.43812.16923.91523.4360
C41.41852.49262.44812.82171.40862.44553.61154.63513.43811.09403.91522.16923.4360
C52.45123.78241.40862.82172.44181.41164.95906.00462.17643.91571.09343.43382.1766
C62.45123.78242.82171.40862.44181.41164.95906.00463.91572.17643.43381.09342.1766
C72.83404.28852.44552.44551.41161.41165.51496.58773.43833.43832.17592.17591.0934
C82.68091.22643.61153.61154.95904.95905.51491.07283.58013.58015.77325.77326.6083
H93.75372.29924.63514.63516.00466.00466.58771.07284.48094.48096.77946.77947.6811
H102.17622.70861.09403.43812.17643.91573.43833.58014.48094.33952.50245.00924.3417
H112.17622.70863.43811.09403.91572.17643.43833.58014.48094.33955.00922.50244.3417
H123.43974.65962.16923.91521.09343.43382.17595.77326.77942.50245.00924.33922.5081
H133.43974.65963.91522.16923.43381.09342.17595.77326.77945.00922.50244.33922.5081
H143.92745.38193.43603.43602.17662.17661.09346.60837.68114.34174.34172.50812.5081

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 120.226
C1 C3 H10 119.463 C1 C4 C6 120.226
C1 C4 H11 119.463 C2 C1 C3 120.355
C2 C1 C4 120.355 C2 C8 H9 180.000
C3 C1 C4 119.291 C3 C5 C7 120.256
C3 C5 H12 119.688 C4 C6 C7 120.256
C4 C6 H13 119.688 C5 C3 H10 120.311
C5 C7 C6 119.744 C5 C7 H14 120.128
C6 C4 H11 120.311 C6 C7 H14 120.128
C7 C5 H12 120.056 C7 C6 H13 120.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability