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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-231.427913
Energy at 298.15K-231.434341
HF Energy-230.586583
Nuclear repulsion energy212.576506
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 CCSD/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 3276 3103 5.90      
2 A1 3265 3093 6.63      
3 A1 3223 3053 1.93      
4 A1 1636 1550 3.06      
5 A1 1433 1358 0.55      
6 A1 1198 1134 1.73      
7 A1 1116 1057 1.52      
8 A1 991 939 0.11      
9 A1 933 884 0.01      
10 A1 770 729 2.07      
11 A1 685 649 6.44      
12 A2 1128 1068 0.00      
13 A2 922 873 0.00      
14 A2 885 838 0.00      
15 A2 812 769 0.00      
16 A2 538 510 0.00      
17 B1 3247 3076 6.21      
18 B1 1142 1082 17.83      
19 B1 1002 950 0.18      
20 B1 772 731 86.47      
21 B1 647 613 0.72      
22 B1 515 487 10.00      
23 B2 3249 3078 5.99      
24 B2 3222 3052 21.06      
25 B2 1358 1286 4.01      
26 B2 1294 1226 3.99      
27 B2 1231 1166 0.45      
28 B2 992 939 0.23      
29 B2 863 817 5.33      
30 B2 824 781 7.56      

Unscaled Zero Point Vibrational Energy (zpe) 21582.6 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 20445.2 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 CCSD/cc-pVDZ
ABC
0.24355 0.17339 0.12817

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.735 0.000 -1.013
C2 -0.735 0.000 -1.013
C3 0.000 1.080 -0.207
C4 0.000 -1.080 -0.207
C5 0.000 0.676 1.259
C6 0.000 -0.676 1.259
H7 1.495 0.000 -1.796
H8 -1.495 0.000 -1.796
H9 0.000 2.120 -0.549
H10 0.000 -2.120 -0.549
H11 0.000 1.362 2.110
H12 0.000 -1.362 2.110

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46931.53431.53432.48142.48141.09182.36352.29132.29133.48463.4846
C21.46931.53431.53432.48142.48142.36351.09182.29132.29133.48463.4846
C31.53431.53432.15971.52112.28792.43412.43411.09493.21832.33423.3661
C41.53431.53432.15972.28791.52112.43412.43413.21831.09493.36612.3342
C52.48142.48141.52112.28791.35233.46783.46782.31383.32991.09252.2083
C62.48142.48142.28791.52111.35233.46783.46783.32992.31382.20831.0925
H71.09182.36352.43412.43413.46783.46782.99062.87862.87864.39814.3981
H82.36351.09182.43412.43413.46783.46782.99062.87862.87864.39814.3981
H92.29132.29131.09493.21832.31383.32992.87862.87864.24052.76454.3808
H102.29132.29133.21831.09493.32992.31382.87862.87864.24054.38082.7645
H113.48463.48462.33423.36611.09252.20834.39814.39812.76454.38082.7236
H123.48463.48463.36612.33422.20831.09254.39814.39814.38082.76452.7236

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.393 C1 C2 C4 61.393
C1 C2 H8 134.163 C1 C3 C2 57.215
C1 C3 C5 108.610 C1 C3 H9 120.344
C1 C4 C2 57.215 C1 C4 C6 108.610
C1 C4 H10 120.344 C2 C1 C3 61.393
C2 C1 C4 61.393 C2 C1 H7 134.163
C2 C3 C5 108.610 C2 C3 H9 120.344
C2 C4 C6 108.610 C2 C4 H10 120.344
C3 C1 C4 89.470 C3 C1 H7 135.237
C3 C2 C4 89.470 C3 C2 H8 135.237
C3 C5 C6 105.392 C3 C5 H11 125.735
C4 C1 H7 135.237 C4 C2 H8 135.237
C4 C6 C5 105.392 C4 C6 H12 125.735
C5 C3 H9 123.554 C5 C6 H12 128.873
C6 C4 H10 123.554 C6 C5 H11 128.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability