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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: CCD/3-21G

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/3-21G
 hartrees
Energy at 0K-229.834906
Energy at 298.15K-229.841322
HF Energy-229.262948
Nuclear repulsion energy210.744255
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/3-21G
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 3282 3191 2.70      
2 A1 3244 3154 9.38      
3 A1 3216 3127 3.64      
4 A1 1603 1559 1.38      
5 A1 1357 1319 0.14      
6 A1 1160 1128 0.05      
7 A1 1128 1097 3.37      
8 A1 999 972 0.81      
9 A1 901 876 3.69      
10 A1 831 808 8.90      
11 A1 710 691 0.13      
12 A2 1170 1137 0.00      
13 A2 965 939 0.00      
14 A2 897 872 0.00      
15 A2 757 736 0.00      
16 A2 529 514 0.00      
17 B1 3261 3170 4.42      
18 B1 1152 1120 26.10      
19 B1 1049 1020 0.88      
20 B1 753 733 87.93      
21 B1 634 617 0.10      
22 B1 518 504 15.59      
23 B2 3220 3131 15.15      
24 B2 3208 3120 1.27      
25 B2 1356 1319 8.65      
26 B2 1284 1248 0.00      
27 B2 1224 1190 0.84      
28 B2 974 947 0.02      
29 B2 871 847 0.03      
30 B2 810 787 9.50      

Unscaled Zero Point Vibrational Energy (zpe) 21532.3 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 20935.8 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 CCD/3-21G
ABC
0.23795 0.17026 0.12627

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.747 0.000 -1.031
C2 -0.747 0.000 -1.031
C3 0.000 1.097 -0.206
C4 0.000 -1.097 -0.206
C5 0.000 0.674 1.267
C6 0.000 -0.674 1.267
H7 1.540 0.000 -1.762
H8 -1.540 0.000 -1.762
H9 0.000 2.133 -0.529
H10 0.000 -2.133 -0.529
H11 0.000 1.357 2.109
H12 0.000 -1.357 2.109

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.49441.56301.56302.50862.50861.07812.40082.31512.31513.50143.5014
C21.49441.56301.56302.50862.50862.40081.07812.31512.31513.50143.5014
C31.56301.56302.19411.53232.30332.44862.44861.08513.24612.32943.3735
C41.56301.56302.19412.30331.53232.44862.44863.24611.08513.37352.3294
C52.50862.50861.53232.30331.34793.46393.46392.31393.33231.08432.1985
C62.50862.50862.30331.53231.34793.46393.46393.33232.31392.19851.0843
H71.07812.40082.44862.44863.46393.46393.07922.90522.90524.38144.3814
H82.40081.07812.44862.44863.46393.46393.07922.90522.90524.38144.3814
H92.31512.31511.08513.24612.31393.33232.90522.90524.26592.74994.3748
H102.31512.31513.24611.08513.33232.31392.90522.90524.26594.37482.7499
H113.50143.50142.32943.37351.08432.19854.38144.38142.74994.37482.7138
H123.50143.50143.37352.32942.19851.08434.38144.38144.37482.74992.7138

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.441 C1 C2 C4 61.441
C1 C2 H8 137.308 C1 C3 C2 57.119
C1 C3 C5 108.278 C1 C3 H9 120.847
C1 C4 C2 57.119 C1 C4 C6 108.278
C1 C4 H10 120.847 C2 C1 C3 61.441
C2 C1 C4 61.441 C2 C1 H7 137.308
C2 C3 C5 108.278 C2 C3 H9 120.847
C2 C4 C6 108.278 C2 C4 H10 120.847
C3 C1 C4 89.161 C3 C1 H7 135.185
C3 C2 C4 89.161 C3 C2 H8 135.185
C3 C5 C6 106.030 C3 C5 H11 124.931
C4 C1 H7 135.185 C4 C2 H8 135.185
C4 C6 C5 106.030 C4 C6 H12 124.931
C5 C3 H9 123.363 C5 C6 H12 129.038
C6 C4 H10 123.363 C6 C5 H11 129.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability