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All results from a given calculation for C8H6 (Calicene)

using model chemistry: CCSD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-307.334507
Energy at 298.15K-307.339079
HF Energy-306.288783
Nuclear repulsion energy299.115604
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/6-31G*
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 3338 3152 8.51      
2 A1 3256 3075 17.54      
3 A1 3232 3052 6.29      
4 A1 1863 1759 613.28      
5 A1 1621 1531 84.86      
6 A1 1559 1472 96.17      
7 A1 1446 1366 84.10      
8 A1 1239 1170 23.47      
9 A1 1112 1050 6.36      
10 A1 1036 978 16.85      
11 A1 973 919 7.46      
12 A1 897 847 56.28      
13 A1 493 466 1.59      
14 A2 869 821 0.00      
15 A2 841 795 0.00      
16 A2 690 652 0.00      
17 A2 559 528 0.00      
18 A2 221 209 0.00      
19 B1 868 820 0.27      
20 B1 729 688 106.23      
21 B1 655 619 30.03      
22 B1 575 543 5.09      
23 B1 391 369 8.50      
24 B1 119 112 4.66      
25 B2 3299 3116 2.87      
26 B2 3248 3067 28.64      
27 B2 3224 3044 1.15      
28 B2 1641 1550 0.09      
29 B2 1382 1305 0.09      
30 B2 1260 1190 1.10      
31 B2 1145 1081 15.84      
32 B2 1128 1066 4.42      
33 B2 971 917 5.47      
34 B2 841 794 1.71      
35 B2 502 474 1.44      
36 B2 148 140 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 23686.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 22366.9 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/6-31G*
ABC
0.22439 0.04730 0.03907

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.042
C2 0.000 0.000 1.305
C3 0.000 0.664 2.577
C4 0.000 -0.664 2.577
C5 0.000 1.174 -0.916
C6 0.000 -1.174 -0.916
C7 0.000 0.733 -2.204
C8 0.000 -0.733 -2.204
H9 0.000 1.588 3.139
H10 0.000 -1.588 3.139
H11 0.000 2.204 -0.571
H12 0.000 -2.204 -0.571
H13 0.000 1.353 -3.097
H14 0.000 -1.353 -3.097

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34682.70212.70211.46381.46382.28242.28243.55573.55572.26682.26683.34033.3403
C21.34681.43521.43522.51202.51203.58413.58412.42642.42642.89422.89424.60434.6043
C32.70211.43521.32783.53023.94734.78134.98071.08152.32093.50454.25865.71526.0212
C42.70211.43521.32783.94733.53024.98074.78132.32091.08154.25863.50456.02125.7152
C51.46382.51203.53023.94732.34871.36142.30114.07634.90661.08633.39632.18773.3376
C61.46382.51203.94733.53022.34872.30111.36144.90664.07633.39631.08633.33762.1877
C72.28243.58414.78134.98071.36142.30111.46545.41115.82522.19833.36051.08682.2683
C82.28243.58414.98074.78132.30111.36141.46545.82525.41113.36052.19832.26831.0868
H93.55572.42641.08152.32094.07634.90665.41115.82523.17573.76095.30526.24026.8942
H103.55572.42642.32091.08154.90664.07635.82525.41113.17575.30523.76096.89426.2402
H112.26682.89423.50454.25861.08633.39632.19833.36053.76095.30524.40872.66554.3624
H122.26682.89424.25863.50453.39631.08633.36052.19835.30523.76094.40874.36242.6655
H133.34034.60435.71526.02122.18773.33761.08682.26836.24026.89422.66554.36242.7051
H143.34034.60436.02125.71523.33762.18772.26831.08686.89426.24024.36242.66552.7051

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.446 C1 C2 C4 152.446
C1 C5 C7 107.722 C1 C5 H11 124.818
C1 C6 C8 107.722 C1 C6 H12 124.818
C2 C1 C5 126.652 C2 C1 C6 126.652
C2 C3 C4 62.446 C2 C3 H9 148.875
C2 C4 C3 62.446 C2 C4 H10 148.875
C3 C2 C4 55.109 C3 C4 H10 148.680
C4 C3 H9 148.680 C5 C1 C6 106.696
C5 C7 C8 108.930 C5 C7 H13 126.296
C6 C8 C7 108.930 C6 C8 H14 126.296
C7 C5 H11 127.460 C7 C8 H14 124.774
C8 C6 H12 127.460 C8 C7 H13 124.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability