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All results from a given calculation for C8H6 (Calicene)

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-305.289038
Energy at 298.15K-305.293546
HF Energy-304.548162
Nuclear repulsion energy295.927097
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 3314 3170 2.94      
2 A1 3228 3087 16.73      
3 A1 3199 3059 1.86      
4 A1 1828 1749 416.89      
5 A1 1568 1500 16.14      
6 A1 1515 1449 44.39      
7 A1 1401 1340 40.70      
8 A1 1190 1138 28.90      
9 A1 1115 1066 0.02      
10 A1 981 938 7.74      
11 A1 933 892 3.45      
12 A1 880 842 63.35      
13 A1 472 452 6.06      
14 A2 865 828 0.00      
15 A2 846 809 0.00      
16 A2 691 661 0.00      
17 A2 571 546 0.00      
18 A2 226 216 0.00      
19 B1 885 847 0.44      
20 B1 713 682 120.66      
21 B1 624 597 51.56      
22 B1 583 558 18.42      
23 B1 366 350 5.43      
24 B1 122 117 5.31      
25 B2 3272 3130 2.85      
26 B2 3215 3075 21.39      
27 B2 3192 3053 0.09      
28 B2 1593 1524 0.23      
29 B2 1350 1292 0.47      
30 B2 1196 1144 0.00      
31 B2 1135 1085 20.44      
32 B2 1126 1077 0.25      
33 B2 905 866 3.39      
34 B2 857 820 0.63      
35 B2 487 466 2.12      
36 B2 153 146 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 23295.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 22282.5 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 CCD/3-21G*
ABC
0.21903 0.04624 0.03818

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 0.000 0.000 -0.034
C2 0.000 0.000 1.301
C3 0.000 0.669 2.613
C4 0.000 -0.669 2.613
C5 0.000 1.191 -0.933
C6 0.000 -1.191 -0.933
C7 0.000 0.748 -2.225
C8 0.000 -0.748 -2.225
H9 0.000 1.587 3.175
H10 0.000 -1.587 3.175
H11 0.000 2.220 -0.586
H12 0.000 -2.220 -0.586
H13 0.000 1.362 -3.121
H14 0.000 -1.362 -3.121

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.33492.73022.73021.49251.49252.31542.31543.58033.58032.28772.28773.37413.3741
C21.33491.47281.47282.53202.53203.60453.60452.45622.45622.91402.91404.62694.6269
C32.73021.47281.33783.58484.00464.83885.04151.07692.32533.55594.31095.77596.0831
C42.73021.47281.33784.00463.58485.04154.83882.32531.07694.31093.55596.08315.7759
C51.49252.53203.58484.00462.38181.36532.33004.12784.95991.08603.42842.19433.3616
C61.49252.53204.00463.58482.38182.33001.36534.95994.12783.42841.08603.36162.1943
C72.31543.60454.83885.04151.36532.33001.49675.46505.88382.20233.39051.08582.2923
C82.31543.60455.04154.83882.33001.36531.49675.88385.46503.39052.20232.29231.0858
H93.58032.45621.07692.32534.12784.95995.46505.88383.17503.81465.35246.30046.9527
H103.58032.45622.32531.07694.95994.12785.88385.46503.17505.35243.81466.95276.3004
H112.28772.91403.55594.31091.08603.42842.20233.39053.81465.35244.43992.67594.3875
H122.28772.91404.31093.55593.42841.08603.39052.20235.35243.81464.43994.38752.6759
H133.37414.62695.77596.08312.19433.36161.08582.29236.30046.95272.67594.38752.7230
H143.37414.62696.08315.77593.36162.19432.29231.08586.95276.30044.38752.67592.7230

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.989 C1 C2 C4 152.989
C1 C5 C7 108.155 C1 C5 H11 124.307
C1 C6 C8 108.155 C1 C6 H12 124.307
C2 C1 C5 127.067 C2 C1 C6 127.067
C2 C3 C4 62.989 C2 C3 H9 148.473
C2 C4 C3 62.989 C2 C4 H10 148.473
C3 C2 C4 54.022 C3 C4 H10 148.538
C4 C3 H9 148.538 C5 C1 C6 105.866
C5 C7 C8 108.912 C5 C7 H13 126.705
C6 C8 C7 108.912 C6 C8 H14 126.705
C7 C5 H11 127.538 C7 C8 H14 124.383
C8 C6 H12 127.538 C8 C7 H13 124.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability