return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H6 (Prismane)

using model chemistry: CCSD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-231.369051
Energy at 298.15K-231.375761
HF Energy-230.518087
Nuclear repulsion energy220.160331
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 CCSD/6-31+G**
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' 3292 3074 0.00      
2 A1' 1340 1251 0.00      
3 A1' 1145 1069 0.00      
4 A1' 968 904 0.00      
5 A1" 1006 939 0.00      
6 A1" 657 614 0.00      
7 A2' 1038 969 0.00      
8 A2" 3282 3065 43.10      
9 A2" 1387 1295 0.89      
10 A2" 991 926 2.09      
11 E' 3276 3059 24.53      
11 E' 3276 3059 24.53      
12 E' 1304 1218 10.90      
12 E' 1304 1218 10.90      
13 E' 970 906 0.33      
13 E' 970 906 0.33      
14 E' 869 812 0.20      
14 E' 869 812 0.20      
15 E' 845 789 60.76      
15 E' 845 789 60.76      
16 E" 3264 3048 0.00      
16 E" 3264 3048 0.00      
17 E" 1204 1125 0.00      
17 E" 1204 1125 0.00      
18 E" 1042 973 0.00      
18 E" 1042 973 0.00      
19 E" 783 731 0.00      
19 E" 783 731 0.00      
20 E" 695 649 0.00      
20 E" 695 649 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21806.0 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 20362.4 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 CCSD/6-31+G**
ABC
0.23221 0.17993 0.17993

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

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 -0.837 1.510
H9 1.449 -0.837 1.510
H10 0.000 1.673 -1.510
H11 1.449 -0.837 -1.510
H12 -1.449 -0.837 -1.510

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.52301.52301.55632.17752.17751.08002.36222.36222.42233.20643.2064
C21.52301.52302.17752.17751.55632.36221.08002.36223.20643.20642.4223
C31.52301.52302.17751.55632.17752.36222.36221.08003.20642.42233.2064
C41.55632.17752.17751.52301.52302.42233.20643.20641.08002.36222.3622
C52.17752.17751.55631.52301.52303.20643.20642.42232.36221.08002.3622
C62.17751.55632.17751.52301.52303.20642.42233.20642.36222.36221.0800
H71.08002.36222.36222.42233.20643.20642.89812.89813.02064.18604.1860
H82.36221.08002.36223.20643.20642.42232.89812.89814.18604.18613.0206
H92.36222.36221.08003.20642.42233.20642.89812.89814.18603.02064.1861
H102.42233.20643.20641.08002.36222.36223.02064.18604.18602.89812.8981
H113.20643.20642.42232.36221.08002.36224.18604.18613.02062.89812.8981
H123.20642.42233.20642.36222.36221.08004.18603.02064.18612.89812.8981

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 129.541 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 129.541
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 132.683 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 129.541
C2 C3 C5 90.000 C2 C3 H9 129.541
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 132.683 C3 C1 C4 90.000
C3 C1 H7 129.541 C3 C2 C6 90.000
C3 C2 H8 129.541 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 132.683
C4 C1 H7 132.683 C4 C5 C6 60.000
C4 C5 H11 129.541 C4 C6 H12 129.541
C5 C3 H9 132.683 C5 C4 C6 60.000
C5 C4 H10 129.541 C5 C6 H12 129.541
C6 C2 H8 132.683 C6 C4 C5 60.000
C6 C4 H10 129.541 C6 C5 H11 129.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability