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All results from a given calculation for C6H8 (Bicyclo[2.1.1]hex-2-ene)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-232.589268
Energy at 298.15K-232.598829
HF Energy-231.773894
Nuclear repulsion energy230.986888
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 MP3/6-31G*
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 3301 3099 9.89      
2 A1 3189 2993 36.56      
3 A1 3186 2991 8.92      
4 A1 3122 2930 34.22      
5 A1 1668 1566 0.45      
6 A1 1574 1478 0.18      
7 A1 1324 1242 1.70      
8 A1 1176 1104 1.24      
9 A1 1101 1034 0.09      
10 A1 1030 967 0.01      
11 A1 988 928 0.10      
12 A1 885 831 1.47      
13 A1 549 516 0.32      
14 A2 1268 1190 0.00      
15 A2 1154 1084 0.00      
16 A2 1097 1029 0.00      
17 A2 891 836 0.00      
18 A2 878 824 0.00      
19 A2 547 513 0.00      
20 B1 3184 2989 30.43      
21 B1 3113 2922 45.56      
22 B1 1541 1447 0.64      
23 B1 1269 1191 1.71      
24 B1 1039 975 2.64      
25 B1 857 804 3.79      
26 B1 682 640 41.79      
27 B1 463 434 9.01      
28 B2 3276 3075 4.78      
29 B2 3183 2987 72.46      
30 B2 1379 1294 13.51      
31 B2 1297 1218 2.21      
32 B2 1281 1202 7.66      
33 B2 1140 1070 2.75      
34 B2 948 889 0.07      
35 B2 876 822 6.51      
36 B2 755 708 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 27604.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 25909.6 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 MP3/6-31G*
ABC
0.19495 0.15685 0.14352

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 1.212
C2 0.000 -0.671 1.212
C3 0.000 -1.021 -0.282
C4 0.000 1.021 -0.282
C5 1.063 0.000 -0.805
C6 -1.063 0.000 -0.805
H7 0.000 1.369 2.041
H8 0.000 -1.369 2.041
H9 0.000 -2.072 -0.575
H10 0.000 2.072 -0.575
H11 2.042 0.000 -0.318
H12 -2.042 0.000 -0.318
H13 -1.166 0.000 -1.896
H14 1.166 0.000 -1.896

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34142.25701.53492.37702.37701.08322.20133.27402.27152.63832.63833.38703.3870
C21.34141.53492.25702.37702.37702.20131.08322.27153.27402.63832.63833.38703.3870
C32.25701.53492.04101.56351.56353.33232.34871.09173.10652.28282.28282.23742.2374
C41.53492.25702.04101.56351.56352.34873.33233.10651.09172.28282.28282.23742.2374
C52.37702.37701.56351.56352.12543.33193.33192.34012.34011.09343.14232.48151.0956
C62.37702.37701.56351.56352.12543.33193.33192.34012.34013.14231.09341.09562.4815
H71.08322.20133.33232.34873.33193.33192.73764.32242.70873.40663.40664.32784.3278
H82.20131.08322.34873.33233.33193.33192.73762.70874.32243.40663.40664.32784.3278
H93.27402.27151.09173.10652.34012.34014.32242.70874.14432.92032.92032.72002.7200
H102.27153.27403.10651.09172.34012.34012.70874.32244.14432.92032.92032.72002.7200
H112.63832.63832.28282.28281.09343.14233.40663.40662.92032.92034.08323.57491.8045
H122.63832.63832.28282.28283.14231.09343.40663.40662.92032.92034.08321.80453.5749
H133.38703.38702.23742.23742.48151.09564.32784.32782.72002.72003.57491.80452.3324
H143.38703.38702.23742.23741.09562.48154.32784.32782.72002.72001.80453.57492.3324

picture of Bicyclo[2.1.1]hex-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 103.174 C1 C2 H8 130.129
C1 C4 C5 100.196 C1 C4 C6 100.196
C1 C4 H10 118.745 C2 C1 C4 103.174
C2 C1 H7 130.129 C2 C3 C5 100.196
C2 C3 C6 100.196 C2 C3 H9 118.745
C3 C2 H8 126.697 C3 C5 C4 81.495
C3 C5 H11 117.352 C3 C5 H14 113.408
C3 C6 C4 81.495 C3 C6 H12 117.352
C3 C6 H13 113.408 C4 C1 H7 126.697
C4 C5 H11 117.352 C4 C5 H14 113.408
C4 C6 H12 117.352 C4 C6 H13 113.408
C5 C3 C6 85.642 C5 C3 H9 122.612
C5 C4 C6 85.642 C5 C4 H10 122.612
C6 C3 H9 122.612 C6 C4 H10 122.612
H11 C5 H14 111.038 H12 C6 H13 111.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability