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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-231.428886
Energy at 298.15K-231.435308
HF Energy-230.586502
Nuclear repulsion energy212.536987
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/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 3274 3141 5.99      
2 A1 3263 3131 6.84      
3 A1 3221 3090 1.97      
4 A1 1633 1567 3.10      
5 A1 1431 1373 0.58      
6 A1 1196 1147 1.75      
7 A1 1115 1069 1.53      
8 A1 990 950 0.11      
9 A1 932 894 0.01      
10 A1 769 738 2.09      
11 A1 684 656 6.38      
12 A2 1127 1081 0.00      
13 A2 921 883 0.00      
14 A2 883 848 0.00      
15 A2 810 777 0.00      
16 A2 537 516 0.00      
17 B1 3246 3114 6.32      
18 B1 1140 1094 17.70      
19 B1 1002 961 0.17      
20 B1 771 739 86.31      
21 B1 646 619 0.69      
22 B1 514 493 9.97      
23 B2 3247 3116 5.85      
24 B2 3220 3090 21.45      
25 B2 1356 1301 3.98      
26 B2 1292 1240 4.05      
27 B2 1230 1180 0.49      
28 B2 991 950 0.23      
29 B2 862 827 5.19      
30 B2 823 790 7.79      

Unscaled Zero Point Vibrational Energy (zpe) 21563.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 20687.5 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/cc-pVDZ
ABC
0.24345 0.17332 0.12813

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.496 0.000 -1.796
H8 -1.496 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
C11.46961.53461.53462.48192.48191.09192.36392.29162.29163.48523.4852
C21.46961.53461.53462.48192.48192.36391.09192.29162.29163.48523.4852
C31.53461.53462.16011.52142.28842.43452.43451.09503.21872.33463.3667
C41.53461.53462.16012.28841.52142.43452.43453.21871.09503.36672.3346
C52.48192.48191.52142.28841.35273.46833.46832.31413.33051.09262.2088
C62.48192.48192.28841.52141.35273.46833.46833.33052.31412.20881.0926
H71.09192.36392.43452.43453.46833.46832.99122.87902.87904.39874.3987
H82.36391.09192.43452.43453.46833.46832.99122.87902.87904.39874.3987
H92.29162.29161.09503.21872.31413.33052.87902.87904.24102.76494.3816
H102.29162.29163.21871.09503.33052.31412.87902.87904.24104.38162.7649
H113.48523.48522.33463.36671.09262.20884.39874.39872.76494.38162.7242
H123.48523.48523.36672.33462.20881.09264.39874.39874.38162.76492.7242

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.390 C1 C2 C4 61.390
C1 C2 H8 134.168 C1 C3 C2 57.220
C1 C3 C5 108.614 C1 C3 H9 120.340
C1 C4 C2 57.220 C1 C4 C6 108.614
C1 C4 H10 120.340 C2 C1 C3 61.390
C2 C1 C4 61.390 C2 C1 H7 134.168
C2 C3 C5 108.614 C2 C3 H9 120.340
C2 C4 C6 108.614 C2 C4 H10 120.340
C3 C1 C4 89.467 C3 C1 H7 135.238
C3 C2 C4 89.467 C3 C2 H8 135.238
C3 C5 C6 105.387 C3 C5 H11 125.739
C4 C1 H7 135.238 C4 C2 H8 135.238
C4 C6 C5 105.387 C4 C6 H12 125.739
C5 C3 H9 123.552 C5 C6 H12 128.875
C6 C4 H10 123.552 C6 C5 H11 128.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability