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All results from a given calculation for C6H8 (Bicyclo[2.2.0]hex-1(4)-ene)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-230.907104
Energy at 298.15K-230.915610
Nuclear repulsion energy216.901343
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 CISD/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 Ag 3172 2964 0.00      
2 Ag 1806 1688 0.00      
3 Ag 1591 1487 0.00      
4 Ag 1264 1181 0.00      
5 Ag 851 796 0.00      
6 Ag 635 594 0.00      
7 Au 3214 3003 0.00      
8 Au 1202 1124 0.00      
9 Au 1033 965 0.00      
10 Au 221 207 0.00      
11 B1g 3159 2952 0.00      
12 B1g 1573 1470 0.00      
13 B1g 1299 1214 0.00      
14 B1g 1140 1065 0.00      
15 B1g 841 786 0.00      
16 B1u 3231 3019 74.32      
17 B1u 1161 1085 1.02      
18 B1u 849 793 0.44      
19 B1u 171 159 18.99      
20 B2g 3231 3019 0.00      
21 B2g 1114 1041 0.00      
22 B2g 782 731 0.00      
23 B2u 3160 2953 61.03      
24 B2u 1575 1472 0.02      
25 B2u 1286 1202 23.28      
26 B2u 971 908 0.02      
27 B2u 373 348 8.23      
28 B3g 3216 3005 0.00      
29 B3g 1231 1150 0.00      
30 B3g 1089 1018 0.00      
31 B3g 403 377 0.00      
32 B3u 3167 2959 87.56      
33 B3u 1589 1484 2.07      
34 B3u 1258 1175 2.30      
35 B3u 1229 1148 1.09      
36 B3u 772 721 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 27430.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 25630.8 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 CISD/3-21G*
ABC
0.27149 0.10938 0.08294

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.660 0.000
C2 0.000 -0.660 0.000
C3 1.553 -0.821 0.000
C4 1.553 0.821 0.000
C5 -1.553 0.821 0.000
C6 -1.553 -0.821 0.000
H7 -1.988 -1.259 0.897
H8 -1.988 -1.259 -0.897
H9 -1.988 1.259 0.897
H10 -1.988 1.259 -0.897
H11 1.988 -1.259 0.897
H12 1.988 -1.259 -0.897
H13 1.988 1.259 0.897
H14 1.988 1.259 -0.897

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32092.14631.56121.56122.14632.90552.90552.26192.26192.90552.90552.26192.2619
C21.32091.56122.14632.14631.56122.26192.26192.90552.90552.26192.26192.90552.9055
C32.14631.56121.64233.51333.10583.67933.67934.20384.20381.08871.08872.30652.3065
C41.56122.14631.64233.10583.51334.20384.20383.67933.67932.30652.30651.08871.0887
C51.56122.14633.51333.10581.64232.30652.30651.08871.08874.20384.20383.67933.6793
C62.14631.56123.10583.51331.64231.08871.08872.30652.30653.67933.67934.20384.2038
H72.90552.26193.67934.20382.30651.08871.79332.51763.09103.97704.36264.70695.0370
H82.90552.26193.67934.20382.30651.08871.79333.09102.51764.36263.97705.03704.7069
H92.26192.90554.20383.67931.08872.30652.51763.09101.79334.70695.03703.97704.3626
H102.26192.90554.20383.67931.08872.30653.09102.51761.79335.03704.70694.36263.9770
H112.90552.26191.08872.30654.20383.67933.97704.36264.70695.03701.79332.51763.0910
H122.90552.26191.08872.30654.20383.67934.36263.97705.03704.70691.79333.09102.5176
H132.26192.90552.30651.08873.67934.20384.70695.03703.97704.36262.51763.09101.7933
H142.26192.90552.30651.08873.67934.20385.03704.70694.36263.97703.09102.51761.7933

picture of Bicyclo[2.2.0]hex-1(4)-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.907 C1 C2 C6 95.907
C1 C4 C3 84.093 C1 C4 H13 116.061
C1 C4 H14 116.061 C1 C5 C6 84.093
C1 C5 H9 116.061 C1 C5 H10 116.061
C2 C1 C4 95.907 C2 C1 C5 95.907
C2 C3 C4 84.093 C2 C3 H11 116.061
C2 C3 H12 116.061 C2 C6 C5 84.093
C2 C6 H7 116.061 C2 C6 H8 116.061
C3 C2 C6 168.186 C3 C4 H13 113.705
C3 C4 H14 113.705 C4 C1 C5 168.186
C4 C3 H11 113.705 C4 C3 H12 113.705
C5 C6 H7 113.705 C5 C6 H8 113.705
C6 C5 H9 113.705 C6 C5 H10 113.705
H7 C6 H8 110.894 H9 C5 H10 110.894
H11 C3 H12 110.894 H13 C4 H14 110.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability