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All results from a given calculation for C8H6 (Calicene)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-305.142974
Energy at 298.15K-305.147924
HF Energy-304.553307
Nuclear repulsion energy298.907391
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 CID/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 3434 3195 7.76      
2 A1 3340 3108 17.98      
3 A1 3308 3078 1.18      
4 A1 1872 1742 599.77      
5 A1 1629 1516 66.26      
6 A1 1567 1458 118.48      
7 A1 1458 1357 82.46      
8 A1 1244 1157 35.85      
9 A1 1155 1075 2.96      
10 A1 1026 955 13.46      
11 A1 983 915 1.66      
12 A1 919 855 85.81      
13 A1 498 463 3.73      
14 A2 953 887 0.00      
15 A2 943 877 0.00      
16 A2 754 701 0.00      
17 A2 615 572 0.00      
18 A2 230 214 0.00      
19 B1 959 893 0.08      
20 B1 776 722 142.63      
21 B1 720 670 58.66      
22 B1 631 588 14.90      
23 B1 428 398 5.55      
24 B1 133 123 6.35      
25 B2 3390 3155 8.42      
26 B2 3326 3095 22.70      
27 B2 3301 3072 0.14      
28 B2 1661 1546 0.02      
29 B2 1403 1306 0.09      
30 B2 1257 1169 0.62      
31 B2 1187 1105 23.08      
32 B2 1174 1092 2.88      
33 B2 979 911 2.43      
34 B2 896 834 1.20      
35 B2 512 476 1.22      
36 B2 159 148 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 24409.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 22712.7 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 CID/3-21G*
ABC
0.22355 0.04718 0.03896

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.035
C2 0.000 0.000 1.296
C3 0.000 0.663 2.584
C4 0.000 -0.663 2.584
C5 0.000 1.178 -0.922
C6 0.000 -1.178 -0.922
C7 0.000 0.740 -2.204
C8 0.000 -0.740 -2.204
H9 0.000 1.574 3.140
H10 0.000 -1.574 3.140
H11 0.000 2.200 -0.580
H12 0.000 -2.200 -0.580
H13 0.000 1.349 -3.091
H14 0.000 -1.349 -3.091

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.33102.70172.70171.47521.47522.29182.29183.54413.54412.26622.26623.34123.3412
C21.33101.44871.44872.51212.51213.57753.57752.42482.42482.89112.89114.59044.5904
C32.70171.44871.32553.54443.96064.78904.98951.06772.30513.51794.26695.71726.0219
C42.70171.44871.32553.96063.54444.98954.78902.30511.06774.26693.51796.02195.7172
C51.47522.51213.54443.96062.35671.35472.30674.08204.90741.07713.39532.17583.3309
C61.47522.51213.96063.54442.35672.30671.35474.90744.08203.39531.07713.33092.1758
C72.29183.57754.78904.98951.35472.30671.47905.40935.82382.18393.35791.07682.2697
C82.29183.57754.98954.78902.30671.35471.47905.82385.40933.35792.18392.26971.0768
H93.54412.42481.06772.30514.08204.90745.40935.82383.14843.77275.29946.23596.8836
H103.54412.42482.30511.06774.90744.08205.82385.40933.14845.29943.77276.88366.2359
H112.26622.89113.51794.26691.07713.39532.18393.35793.77275.29944.39922.65134.3478
H122.26622.89114.26693.51793.39531.07713.35792.18395.29943.77274.39924.34782.6513
H133.34124.59045.71726.02192.17583.33091.07682.26976.23596.88362.65134.34782.6990
H143.34124.59046.02195.71723.33092.17582.26971.07686.88366.23594.34782.65132.6990

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.775 C1 C2 C4 152.775
C1 C5 C7 108.085 C1 C5 H11 124.483
C1 C6 C8 108.085 C1 C6 H12 124.483
C2 C1 C5 126.986 C2 C1 C6 126.986
C2 C3 C4 62.775 C2 C3 H9 148.612
C2 C4 C3 62.775 C2 C4 H10 148.612
C3 C2 C4 54.450 C3 C4 H10 148.613
C4 C3 H9 148.613 C5 C1 C6 106.027
C5 C7 C8 108.901 C5 C7 H13 126.594
C6 C8 C7 108.901 C6 C8 H14 126.594
C7 C5 H11 127.431 C7 C8 H14 124.505
C8 C6 H12 127.431 C8 C7 H13 124.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability