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All results from a given calculation for C6H6 (Prismane)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-231.489181
Energy at 298.15K-231.495917
HF Energy-230.528964
Nuclear repulsion energy220.174179
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/6-31G(2df,p)
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' 3274 3102 0.00      
2 A1' 1329 1259 0.00      
3 A1' 1140 1080 0.00      
4 A1' 965 915 0.00      
5 A1" 1027 973 0.00      
6 A1" 653 619 0.00      
7 A2' 1027 973 0.00      
8 A2" 3266 3094 29.73      
9 A2" 1380 1307 0.00      
10 A2" 988 936 1.93      
11 E' 3259 3088 15.78      
11 E' 3259 3088 15.78      
12 E' 1291 1223 7.83      
12 E' 1291 1223 7.83      
13 E' 971 919 0.18      
13 E' 971 919 0.18      
14 E' 869 823 0.13      
14 E' 869 823 0.13      
15 E' 845 800 43.34      
15 E' 845 800 43.34      
16 E" 3248 3077 0.00      
16 E" 3248 3077 0.00      
17 E" 1191 1128 0.00      
17 E" 1191 1128 0.00      
18 E" 1048 993 0.00      
18 E" 1048 993 0.00      
19 E" 799 757 0.00      
19 E" 799 757 0.00      
20 E" 711 674 0.00      
20 E" 711 674 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21755.3 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 20611.0 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/6-31G(2df,p)
ABC
0.23234 0.17990 0.17990

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.879 0.778
C2 -0.761 -0.440 0.778
C3 0.761 -0.440 0.778
C4 0.000 0.879 -0.778
C5 0.761 -0.440 -0.778
C6 -0.761 -0.440 -0.778
H7 0.000 1.673 1.510
H8 -1.449 -0.836 1.510
H9 1.449 -0.836 1.510
H10 0.000 1.673 -1.510
H11 1.449 -0.836 -1.510
H12 -1.449 -0.836 -1.510

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.52251.52251.55692.17762.17761.07982.36172.36172.42263.20643.2064
C21.52251.52252.17762.17761.55692.36171.07982.36173.20643.20642.4226
C31.52251.52252.17761.55692.17762.36172.36171.07983.20642.42263.2064
C41.55692.17762.17761.52251.52252.42263.20643.20641.07982.36172.3617
C52.17762.17761.55691.52251.52253.20643.20642.42262.36171.07982.3617
C62.17761.55692.17761.52251.52253.20642.42263.20642.36172.36171.0798
H71.07982.36172.36172.42263.20643.20642.89772.89773.02084.18594.1859
H82.36171.07982.36173.20643.20642.42262.89772.89774.18594.18593.0208
H92.36172.36171.07983.20642.42263.20642.89772.89774.18593.02084.1859
H102.42263.20643.20641.07982.36172.36173.02084.18594.18592.89772.8977
H113.20643.20642.42262.36171.07982.36174.18594.18593.02082.89772.8977
H123.20642.42263.20642.36172.36171.07984.18593.02084.18592.89772.8977

picture of Prismane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 C6 90.000
C1 C2 H8 129.550 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 129.550
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 132.671 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 129.550
C2 C3 C5 90.000 C2 C3 H9 129.550
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 132.671 C3 C1 C4 90.000
C3 C1 H7 129.550 C3 C2 C6 90.000
C3 C2 H8 129.550 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 132.671
C4 C1 H7 132.671 C4 C5 C6 60.000
C4 C5 H11 129.550 C4 C6 H12 129.550
C5 C3 H9 132.671 C5 C4 C6 60.000
C5 C4 H10 129.550 C5 C6 H12 129.550
C6 C2 H8 132.671 C6 C4 C5 60.000
C6 C4 H10 129.550 C6 C5 H11 129.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability