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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-231.517667
Energy at 298.15K-231.524088
HF Energy-230.594724
Nuclear repulsion energy214.527639
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 MP2/6-31G(2df,p)
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 3312 3128 3.52      
2 A1 3294 3111 1.84      
3 A1 3254 3073 1.06      
4 A1 1593 1505 2.29      
5 A1 1416 1337 0.00      
6 A1 1205 1138 1.86      
7 A1 1123 1061 2.06      
8 A1 1004 948 0.37      
9 A1 926 874 0.03      
10 A1 778 735 2.04      
11 A1 675 638 6.49      
12 A2 1129 1067 0.00      
13 A2 920 869 0.00      
14 A2 880 831 0.00      
15 A2 803 758 0.00      
16 A2 543 513 0.00      
17 B1 3277 3095 3.63      
18 B1 1135 1072 23.73      
19 B1 1006 951 0.00      
20 B1 778 734 79.63      
21 B1 643 608 0.48      
22 B1 519 490 8.42      
23 B2 3286 3104 1.20      
24 B2 3254 3073 13.13      
25 B2 1350 1275 5.77      
26 B2 1278 1207 3.75      
27 B2 1231 1163 1.60      
28 B2 1010 954 0.21      
29 B2 875 826 6.66      
30 B2 824 779 5.88      

Unscaled Zero Point Vibrational Energy (zpe) 21660.2 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 20458.1 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 MP2/6-31G(2df,p)
ABC
0.24792 0.17672 0.13044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.727 0.000 -1.005
C2 -0.727 0.000 -1.005
C3 0.000 1.071 -0.201
C4 0.000 -1.071 -0.201
C5 0.000 0.672 1.247
C6 0.000 -0.672 1.247
H7 1.475 0.000 -1.783
H8 -1.475 0.000 -1.783
H9 0.000 2.098 -0.544
H10 0.000 -2.098 -0.544
H11 0.000 1.352 2.085
H12 0.000 -1.352 2.085

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45431.52391.52392.46042.46041.07852.33512.26802.26803.45073.4507
C21.45431.52391.52392.46042.46042.33511.07852.26802.26803.45073.4507
C31.52391.52392.14221.50252.26632.41302.41301.08273.18772.30383.3314
C41.52391.52392.14222.26631.50252.41302.41303.18771.08273.33142.3038
C52.46042.46041.50252.26631.34373.43593.43592.28963.29861.07912.1902
C62.46042.46042.26631.50251.34373.43593.43593.29862.28962.19021.0791
H71.07852.33512.41302.41303.43593.43592.94962.84812.84814.35454.3545
H82.33511.07852.41302.41303.43593.43592.94962.84812.84814.35454.3545
H92.26802.26801.08273.18772.28963.29862.84812.84814.19632.73314.3375
H102.26802.26803.18771.08273.29862.28962.84812.84814.19634.33752.7331
H113.45073.45072.30383.33141.07912.19024.35454.35452.73314.33752.7032
H123.45073.45073.33142.30382.19021.07914.35454.35454.33752.73312.7032

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.501 C1 C2 C4 61.501
C1 C2 H8 133.888 C1 C3 C2 56.999
C1 C3 C5 108.773 C1 C3 H9 119.987
C1 C4 C2 56.999 C1 C4 C6 108.773
C1 C4 H10 119.987 C2 C1 C3 61.501
C2 C1 C4 61.501 C2 C1 H7 133.888
C2 C3 C5 108.773 C2 C3 H9 119.987
C2 C4 C6 108.773 C2 C4 H10 119.987
C3 C1 C4 89.314 C3 C1 H7 135.316
C3 C2 C4 89.314 C3 C2 H8 135.316
C3 C5 C6 105.410 C3 C5 H11 125.548
C4 C1 H7 135.316 C4 C2 H8 135.316
C4 C6 C5 105.410 C4 C6 H12 125.548
C5 C3 H9 123.857 C5 C6 H12 129.042
C6 C4 H10 123.857 C6 C5 H11 129.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability