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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-231.460325
Energy at 298.15K-231.466709
HF Energy-230.593341
Nuclear repulsion energy212.351499
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 QCISD/aug-cc-pVDZ
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 3264 3162 4.18      
2 A1 3258 3156 9.93      
3 A1 3212 3111 2.10      
4 A1 1613 1562 7.71      
5 A1 1417 1372 0.93      
6 A1 1189 1151 2.95      
7 A1 1112 1077 1.54      
8 A1 989 958 0.07      
9 A1 921 893 0.28      
10 A1 765 741 3.02      
11 A1 684 663 5.15      
12 A2 1124 1089 0.00      
13 A2 908 880 0.00      
14 A2 870 843 0.00      
15 A2 794 769 0.00      
16 A2 529 513 0.00      
17 B1 3240 3139 8.34      
18 B1 1127 1092 21.32      
19 B1 992 961 0.00      
20 B1 760 736 91.05      
21 B1 631 611 3.83      
22 B1 504 488 13.28      
23 B2 3237 3136 7.37      
24 B2 3212 3111 22.38      
25 B2 1344 1302 4.38      
26 B2 1277 1237 3.78      
27 B2 1223 1184 0.74      
28 B2 990 959 0.36      
29 B2 859 832 5.26      
30 B2 817 791 7.26      

Unscaled Zero Point Vibrational Energy (zpe) 21430.2 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 20759.4 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 QCISD/aug-cc-pVDZ
ABC
0.24275 0.17315 0.12788

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.735 0.000 -1.014
C2 -0.735 0.000 -1.014
C3 0.000 1.083 -0.207
C4 0.000 -1.083 -0.207
C5 0.000 0.677 1.260
C6 0.000 -0.677 1.260
H7 1.497 0.000 -1.794
H8 -1.497 0.000 -1.794
H9 0.000 2.121 -0.549
H10 0.000 -2.121 -0.549
H11 0.000 1.361 2.110
H12 0.000 -1.361 2.110

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47051.53761.53762.48402.48401.08992.36442.29302.29303.48643.4864
C21.47051.53761.53762.48402.48402.36441.08992.29302.29303.48643.4864
C31.53761.53762.16551.52202.29122.43522.43521.09353.22242.33403.3679
C41.53761.53762.16552.29121.52202.43522.43523.22241.09353.36792.3340
C52.48402.48401.52202.29121.35463.46743.46742.31443.33231.09132.2087
C62.48402.48402.29121.52201.35463.46743.46743.33232.31442.20871.0913
H71.08992.36442.43522.43523.46743.46742.99402.87952.87954.39704.3970
H82.36441.08992.43522.43523.46743.46742.99402.87952.87954.39704.3970
H92.29302.29301.09353.22242.31443.33232.87952.87954.24302.76554.3817
H102.29302.29303.22241.09353.33232.31442.87952.87954.24304.38172.7655
H113.48643.48642.33403.36791.09132.20874.39704.39702.76554.38172.7224
H123.48643.48643.36792.33402.20871.09134.39704.39704.38172.76552.7224

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.432 C1 C2 C4 61.432
C1 C2 H8 134.342 C1 C3 C2 57.136
C1 C3 C5 108.558 C1 C3 H9 120.331
C1 C4 C2 57.136 C1 C4 C6 108.558
C1 C4 H10 120.331 C2 C1 C3 61.432
C2 C1 C4 61.432 C2 C1 H7 134.342
C2 C3 C5 108.558 C2 C3 H9 120.331
C2 C4 C6 108.558 C2 C4 H10 120.331
C3 C1 C4 89.527 C3 C1 H7 135.201
C3 C2 C4 89.527 C3 C2 H8 135.201
C3 C5 C6 105.451 C3 C5 H11 125.743
C4 C1 H7 135.201 C4 C2 H8 135.201
C4 C6 C5 105.451 C4 C6 H12 125.743
C5 C3 H9 123.653 C5 C6 H12 128.806
C6 C4 H10 123.653 C6 C5 H11 128.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability