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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-305.337763
Energy at 298.15K-305.342140
HF Energy-304.545528
Nuclear repulsion energy295.047726
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 MP4=FULL/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 3288 3218        
2 A1 3211 3143        
3 A1 3181 3114        
4 A1 1773 1736        
5 A1 1501 1469        
6 A1 1464 1433        
7 A1 1381 1352        
8 A1 1172 1147        
9 A1 1101 1078        
10 A1 972 951        
11 A1 924 904        
12 A1 873 855        
13 A1 463 453        
14 A2 831 813        
15 A2 822 804        
16 A2 668 653        
17 A2 566 554        
18 A2 215 210        
19 B1 851 833        
20 B1 696 682        
21 B1 606 593        
22 B1 575 563        
23 B1 357 349        
24 B1 122 119        
25 B2 3247 3178        
26 B2 3198 3130        
27 B2 3174 3107        
28 B2 1540 1508        
29 B2 1332 1304        
30 B2 1178 1153        
31 B2 1116 1092        
32 B2 1108 1085        
33 B2 863 844        
34 B2 848 830        
35 B2 475 465        
36 B2 147 144        

Unscaled Zero Point Vibrational Energy (zpe) 22918.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 22432.8 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 MP4=FULL/3-21G
ABC
0.21832 0.04594 0.03795

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.038
C2 0.000 0.000 1.306
C3 0.000 0.674 2.621
C4 0.000 -0.674 2.621
C5 0.000 1.192 -0.933
C6 0.000 -1.192 -0.933
C7 0.000 0.747 -2.234
C8 0.000 -0.747 -2.234
H9 0.000 1.593 3.187
H10 0.000 -1.593 3.187
H11 0.000 2.221 -0.583
H12 0.000 -2.221 -0.583
H13 0.000 1.363 -3.130
H14 0.000 -1.363 -3.130

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34432.74312.74311.49061.49062.31992.31993.59673.59672.28742.28743.37923.3792
C21.34431.47751.47752.53682.53683.61853.61852.46442.46442.91642.91644.64104.6410
C32.74311.47751.34833.59154.01414.85575.05901.07882.33643.55824.31885.79216.1012
C42.74311.47751.34834.01413.59155.05904.85572.33641.07884.31883.55826.10125.7921
C51.49062.53683.59154.01412.38381.37502.33544.13934.97271.08733.43132.20373.3697
C61.49062.53684.01413.59152.38382.33541.37504.97274.13933.43131.08733.36972.2037
C72.31993.61854.85575.05901.37502.33541.49485.48655.90452.21333.39701.08702.2927
C82.31993.61855.05904.85572.33541.37501.49485.90455.48653.39702.21332.29271.0870
H93.59672.46441.07882.33644.13934.97275.48655.90453.18533.82225.36306.32116.9742
H103.59672.46442.33641.07884.97274.13935.90455.48653.18535.36303.82226.97426.3211
H112.28742.91643.55824.31881.08733.43132.21333.39703.82225.36304.44292.68764.3971
H122.28742.91644.31883.55823.43131.08733.39702.21335.36303.82224.44294.39712.6876
H133.37924.64105.79216.10122.20373.36971.08702.29276.32116.97422.68764.39712.7260
H143.37924.64106.10125.79213.36972.20372.29271.08706.97426.32114.39712.68762.7260

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.851 C1 C2 C4 152.851
C1 C5 C7 108.042 C1 C5 H11 124.332
C1 C6 C8 108.042 C1 C6 H12 124.332
C2 C1 C5 126.903 C2 C1 C6 126.903
C2 C3 C4 62.851 C2 C3 H9 148.786
C2 C4 C3 62.851 C2 C4 H10 148.786
C3 C2 C4 54.298 C3 C4 H10 148.363
C4 C3 H9 148.363 C5 C1 C6 106.193
C5 C7 C8 108.862 C5 C7 H13 126.644
C6 C8 C7 108.862 C6 C8 H14 126.644
C7 C5 H11 127.626 C7 C8 H14 124.494
C8 C6 H12 127.626 C8 C7 H13 124.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability