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All results from a given calculation for C8H6 (Calicene)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-307.385052
Energy at 298.15K-307.389670
HF Energy-306.300844
Nuclear repulsion energy299.219992
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/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 3373 3176 9.04      
2 A1 3302 3108 19.04      
3 A1 3277 3085 6.29      
4 A1 1855 1746 614.70      
5 A1 1617 1522 83.92      
6 A1 1560 1469 99.19      
7 A1 1454 1369 84.43      
8 A1 1241 1168 22.25      
9 A1 1114 1048 7.34      
10 A1 1038 977 16.21      
11 A1 979 921 3.60      
12 A1 897 844 59.29      
13 A1 492 463 1.46      
14 A2 876 825 0.00      
15 A2 862 811 0.00      
16 A2 700 659 0.00      
17 A2 558 525 0.00      
18 A2 220 207 0.00      
19 B1 884 832 0.17      
20 B1 736 693 93.53      
21 B1 660 621 30.23      
22 B1 571 538 4.49      
23 B1 389 366 7.27      
24 B1 119 112 4.41      
25 B2 3334 3139 3.09      
26 B2 3293 3100 31.78      
27 B2 3269 3077 1.07      
28 B2 1642 1546 0.22      
29 B2 1389 1308 0.20      
30 B2 1263 1189 1.15      
31 B2 1153 1085 14.31      
32 B2 1131 1065 4.20      
33 B2 971 914 4.31      
34 B2 841 791 1.84      
35 B2 501 472 1.28      
36 B2 148 139 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 23853.0 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 22455.2 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 QCISD/6-31G**
ABC
0.22474 0.04728 0.03906

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.043
C2 0.000 0.000 1.305
C3 0.000 0.665 2.578
C4 0.000 -0.665 2.578
C5 0.000 1.174 -0.916
C6 0.000 -1.174 -0.916
C7 0.000 0.732 -2.205
C8 0.000 -0.732 -2.205
H9 0.000 1.582 3.140
H10 0.000 -1.582 3.140
H11 0.000 2.198 -0.573
H12 0.000 -2.198 -0.573
H13 0.000 1.350 -3.092
H14 0.000 -1.350 -3.092

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34812.70392.70391.46311.46312.28232.28233.55423.55422.26132.26133.33393.3339
C21.34811.43591.43592.51252.51253.58533.58532.42242.42242.89142.89144.59924.5992
C32.70391.43591.32923.53103.94834.78294.98231.07572.31573.50444.25745.71076.0167
C42.70391.43591.32923.94833.53104.98234.78292.31571.07574.25743.50446.01675.7107
C51.46312.51253.53103.94832.34801.36202.30094.07634.90361.08033.38972.18253.3318
C61.46312.51253.94833.53102.34802.30091.36204.90364.07633.38971.08033.33182.1825
C72.28233.58534.78294.98231.36202.30091.46485.41145.82392.19333.35421.08062.2631
C82.28233.58534.98234.78292.30091.36201.46485.82395.41143.35422.19332.26311.0806
H93.55422.42241.07572.31574.07634.90365.41145.82393.16383.76365.29866.23566.8864
H103.55422.42242.31571.07574.90364.07635.82395.41143.16385.29863.76366.88646.2356
H112.26132.89143.50444.25741.08033.38972.19333.35423.76365.29864.39672.65764.3509
H122.26132.89144.25743.50443.38971.08033.35422.19335.29863.76364.39674.35092.6576
H133.33394.59925.71076.01672.18253.33181.08062.26316.23566.88642.65764.35092.6992
H143.33394.59926.01675.71073.33182.18252.26311.08066.88646.23564.35092.65762.6992

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.427 C1 C2 C4 152.427
C1 C5 C7 107.721 C1 C5 H11 124.842
C1 C6 C8 107.721 C1 C6 H12 124.842
C2 C1 C5 126.640 C2 C1 C6 126.640
C2 C3 C4 62.427 C2 C3 H9 149.057
C2 C4 C3 62.427 C2 C4 H10 149.057
C3 C2 C4 55.145 C3 C4 H10 148.515
C4 C3 H9 148.515 C5 C1 C6 106.719
C5 C7 C8 108.919 C5 C7 H13 126.251
C6 C8 C7 108.919 C6 C8 H14 126.251
C7 C5 H11 127.437 C7 C8 H14 124.830
C8 C6 H12 127.437 C8 C7 H13 124.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability