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All results from a given calculation for C6H6 (Prismane)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-229.720580
Energy at 298.15K-229.727159
HF Energy-229.195886
Nuclear repulsion energy215.517024
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 MP2/3-21G*
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' 3299 3138 0.00      
2 A1' 1237 1177 0.00      
3 A1' 1091 1038 0.00      
4 A1' 946 900 0.00      
5 A1" 1038 988 0.00      
6 A1" 642 611 0.00      
7 A2' 1084 1031 0.00      
8 A2" 3281 3122 32.39      
9 A2" 1288 1225 0.14      
10 A2" 930 885 2.93      
11 E' 3274 3115 13.06      
11 E' 3274 3115 13.06      
12 E' 1265 1203 17.22      
12 E' 1265 1203 17.22      
13 E' 983 935 9.13      
13 E' 983 935 9.13      
14 E' 813 773 0.00      
14 E' 813 773 0.00      
15 E' 803 764 44.53      
15 E' 803 764 44.53      
16 E" 3262 3103 0.00      
16 E" 3262 3103 0.00      
17 E" 1194 1136 0.00      
17 E" 1194 1136 0.00      
18 E" 1045 994 0.00      
18 E" 1045 994 0.00      
19 E" 746 710 0.00      
19 E" 746 710 0.00      
20 E" 695 661 0.00      
20 E" 695 661 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21496.5 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 20449.7 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 MP2/3-21G*
ABC
0.22033 0.17282 0.17282

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.904 0.795
C2 -0.783 -0.452 0.795
C3 0.783 -0.452 0.795
C4 0.000 0.904 -0.795
C5 0.783 -0.452 -0.795
C6 -0.783 -0.452 -0.795
H7 0.000 1.709 1.513
H8 -1.480 -0.855 1.513
H9 1.480 -0.855 1.513
H10 0.000 1.709 -1.513
H11 1.480 -0.855 -1.513
H12 -1.480 -0.855 -1.513

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.56581.56581.58912.23102.23101.07882.40822.40822.44373.25683.2568
C21.56581.56582.23102.23101.58912.40821.07882.40823.25683.25682.4437
C31.56581.56582.23101.58912.23102.40822.40821.07883.25682.44373.2568
C41.58912.23102.23101.56581.56582.44373.25683.25681.07882.40822.4082
C52.23102.23101.58911.56581.56583.25683.25682.44372.40821.07882.4082
C62.23101.58912.23101.56581.56583.25682.44373.25682.40822.40821.0788
H71.07882.40822.40822.44373.25683.25682.96042.96043.02534.23284.2328
H82.40821.07882.40823.25683.25682.44372.96042.96044.23284.23283.0253
H92.40822.40821.07883.25682.44373.25682.96042.96044.23283.02534.2328
H102.44373.25683.25681.07882.40822.40823.02534.23284.23282.96042.9604
H113.25683.25682.44372.40821.07882.40824.23284.23283.02532.96042.9604
H123.25682.44373.25682.40822.40821.07884.23283.02534.23282.96042.9604

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 130.263 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 130.263
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 131.731 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 130.263
C2 C3 C5 90.000 C2 C3 H9 130.263
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 131.731 C3 C1 C4 90.000
C3 C1 H7 130.263 C3 C2 C6 90.000
C3 C2 H8 130.263 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 131.731
C4 C1 H7 131.731 C4 C5 C6 60.000
C4 C5 H11 130.263 C4 C6 H12 130.263
C5 C3 H9 131.731 C5 C4 C6 60.000
C5 C4 H10 130.263 C5 C6 H12 130.263
C6 C2 H8 131.731 C6 C4 C5 60.000
C6 C4 H10 130.263 C6 C5 H11 130.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability