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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-230.200398
Energy at 298.15K-230.203494
HF Energy-229.384966
Nuclear repulsion energy187.558332
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=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3277 3074 4.29      
2 A1 3247 3047 6.72      
3 A1 2043 1917 2.01      
4 A1 1531 1437 0.30      
5 A1 1343 1260 0.30      
6 A1 1199 1125 0.00      
7 A1 1089 1022 24.61      
8 A1 1036 972 4.48      
9 A1 629 590 0.22      
10 A2 915 858 0.00      
11 A2 871 818 0.00      
12 A2 545 511 0.00      
13 A2 437 410 0.00      
14 B1 906 850 0.15      
15 B1 761 714 74.94      
16 B1 390 366 4.58      
17 B2 3274 3072 23.72      
18 B2 3232 3033 1.58      
19 B2 1560 1464 5.22      
20 B2 1472 1381 9.81      
21 B2 1304 1224 0.02      
22 B2 1152 1081 0.89      
23 B2 879 825 20.18      
24 B2 523 491 42.67      

Unscaled Zero Point Vibrational Energy (zpe) 16807.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 15770.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31G*
ABC
0.23396 0.19083 0.10510

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 -1.239
C2 0.000 -0.625 -1.239
C3 0.000 1.457 -0.133
C4 0.000 -1.457 -0.133
C5 0.000 0.701 1.059
C6 0.000 -0.701 1.059
H7 0.000 2.540 -0.135
H8 0.000 -2.540 -0.135
H9 0.000 1.222 2.012
H10 0.000 -1.222 2.012

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.24921.38342.35662.29902.65262.20993.35093.30533.7388
C21.24922.35661.38342.65262.29903.35092.20993.73883.3053
C31.38342.35662.91371.41212.46531.08273.99642.15863.4325
C42.35661.38342.91372.46531.41213.99641.08273.43252.1586
C52.29902.65261.41212.46531.40162.19273.45361.08652.1463
C62.65262.29902.46531.41211.40163.45362.19272.14631.0865
H72.20993.35091.08273.99642.19273.45365.07912.51964.3318
H83.35092.20993.99641.08273.45362.19275.07914.33182.5196
H93.30533.73882.15863.43251.08652.14632.51964.33182.4445
H103.73883.30533.43252.15862.14631.08654.33182.51962.4445

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.984 C1 C3 C5 110.645
C1 C3 H7 126.878 C2 C1 C3 126.984
C2 C4 C6 110.645 C2 C4 H8 126.878
C3 C5 C6 122.371 C3 C5 H9 118.947
C4 C6 C5 122.371 C4 C6 H10 118.947
C5 C3 H7 122.477 C5 C6 H10 118.682
C6 C4 H8 122.477 C6 C5 H9 118.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability