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All results from a given calculation for C8H6 (Calicene)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-307.401709
Energy at 298.15K 
HF Energy-306.311785
Nuclear repulsion energy298.952103
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/6-31+G**
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 3369 3185 12.65      
2 A1 3297 3117 16.38      
3 A1 3273 3095 5.07      
4 A1 1835 1735 702.11      
5 A1 1602 1515 93.38      
6 A1 1538 1454 122.24      
7 A1 1444 1365 107.74      
8 A1 1235 1167 28.74      
9 A1 1107 1046 11.38      
10 A1 1035 979 15.24      
11 A1 973 920 6.07      
12 A1 894 845 64.24      
13 A2 856 809 0.00      
14 A2 848 802 0.00      
15 A2 689 652 0.00      
16 A2 546 516 0.00      
17 A2 211 199 0.00      
18 B1 871 823 0.28      
19 B1 716 677 154.14      
20 B1 638 603 18.96      
21 B1 209 197 9.64      
22 B1 228i 216i 1.02      
23 B2 3331 3149 4.55      
24 B2 3288 3109 27.95      
25 B2 3265 3087 0.60      
26 B2 1621 1532 1.98      
27 B2 1383 1308 0.38      
28 B2 1260 1191 1.93      
29 B2 1149 1087 13.05      
30 B2 1124 1063 6.60      
31 B2 972 919 5.82      
32 B2 841 795 1.96      
33 B2 498 471 14.91      
34 B2 498 471 1.12      
35 B2 491 464 1.34      
36 B2 148 140 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 23413.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 22134.7 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/6-31+G**
ABC
0.22450 0.04719 0.03900

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

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 1.309
C3 0.000 0.666 2.579
C4 0.000 -0.666 2.579
C5 0.000 1.174 -0.915
C6 0.000 -1.174 -0.915
C7 0.000 0.732 -2.208
C8 0.000 -0.732 -2.208
H9 0.000 1.584 3.140
H10 0.000 -1.584 3.140
H11 0.000 2.200 -0.574
H12 0.000 -2.200 -0.574
H13 0.000 1.351 -3.095
H14 0.000 -1.351 -3.095

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.35202.70552.70551.46291.46292.28552.28553.55563.55562.26302.26303.33703.3370
C21.35201.43421.43422.51522.51523.59253.59252.42132.42132.89562.89564.60594.6059
C32.70551.43421.33153.53133.94944.78794.98731.07602.31863.50654.26075.71486.0214
C42.70551.43421.33153.94943.53134.98734.78792.31861.07604.26073.50656.02145.7148
C51.46292.51523.53133.94942.34881.36652.30354.07614.90471.08083.39152.18633.3356
C61.46292.51523.94943.53132.34882.30351.36654.90474.07613.39151.08083.33562.1863
C72.28553.59254.78794.98731.36652.30351.46405.41595.82832.19683.35671.08092.2637
C82.28553.59254.98734.78792.30351.36651.46405.82835.41593.35672.19682.26371.0809
H93.55562.42131.07602.31864.07614.90475.41595.82833.16793.76485.30216.23906.8909
H103.55562.42132.31861.07604.90474.07615.82835.41593.16795.30213.76486.89096.2390
H112.26302.89563.50654.26071.08083.39152.19683.35673.76485.30214.39982.65964.3545
H122.26302.89564.26073.50653.39151.08083.35672.19685.30213.76484.39984.35452.6596
H133.33704.60595.71486.02142.18633.33561.08092.26376.23906.89092.65964.35452.7019
H143.33704.60596.02145.71483.33562.18632.26371.08096.89096.23904.35452.65962.7019

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.342 C1 C2 C4 152.342
C1 C5 C7 107.710 C1 C5 H11 124.988
C1 C6 C8 107.710 C1 C6 H12 124.988
C2 C1 C5 126.599 C2 C1 C6 126.599
C2 C3 C4 62.342 C2 C3 H9 149.082
C2 C4 C3 62.342 C2 C4 H10 149.082
C3 C2 C4 55.316 C3 C4 H10 148.577
C4 C3 H9 148.577 C5 C1 C6 106.802
C5 C7 C8 108.889 C5 C7 H13 126.179
C6 C8 C7 108.889 C6 C8 H14 126.179
C7 C5 H11 127.302 C7 C8 H14 124.932
C8 C6 H12 127.302 C8 C7 H13 124.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability