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All results from a given calculation for C6H6 (Prismane)

using model chemistry: MP2/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-36.945884
Energy at 298.15K-36.952426
HF Energy-36.221835
Nuclear repulsion energy109.771951
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/CEP-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' 3236 3072 0.00      
2 A1' 1327 1260 0.00      
3 A1' 1137 1079 0.00      
4 A1' 957 909 0.00      
5 A1" 981 931 0.00      
6 A1" 632 600 0.00      
7 A2' 991 940 0.00      
8 A2" 3224 3061 38.70      
9 A2" 1357 1288 0.76      
10 A2" 973 924 4.37      
11 E' 3220 3057 19.21      
11 E' 3220 3057 19.21      
12 E' 1275 1211 11.64      
12 E' 1275 1211 11.64      
13 E' 940 893 0.23      
13 E' 940 893 0.23      
14 E' 859 815 1.76      
14 E' 859 815 1.76      
15 E' 829 787 73.81      
15 E' 829 787 73.81      
16 E" 3201 3039 0.00      
16 E" 3201 3039 0.00      
17 E" 1162 1103 0.00      
17 E" 1162 1103 0.00      
18 E" 1006 955 0.00      
18 E" 1006 955 0.00      
19 E" 766 727 0.00      
19 E" 766 727 0.00      
20 E" 660 626 0.00      
20 E" 660 626 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21323.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 20244.4 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 MP2/CEP-31G*
ABC
0.22614 0.17622 0.17622

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.891 0.784
C2 -0.772 -0.446 0.784
C3 0.772 -0.446 0.784
C4 0.000 0.891 -0.784
C5 0.772 -0.446 -0.784
C6 -0.772 -0.446 -0.784
H7 0.000 1.694 1.529
H8 -1.467 -0.847 1.529
H9 1.467 -0.847 1.529
H10 0.000 1.694 -1.529
H11 1.467 -0.847 -1.529
H12 -1.467 -0.847 -1.529

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.54381.54381.56782.20032.20031.09522.39342.39342.44853.24403.2440
C21.54381.54382.20032.20031.56782.39341.09522.39343.24403.24402.4485
C31.54381.54382.20031.56782.20032.39342.39341.09523.24402.44853.2440
C41.56782.20032.20031.54381.54382.44853.24403.24401.09522.39342.3934
C52.20032.20031.56781.54381.54383.24403.24402.44852.39341.09522.3934
C62.20031.56782.20031.54381.54383.24402.44853.24402.39342.39341.0952
H71.09522.39342.39342.44853.24403.24402.93342.93343.05894.23814.2381
H82.39341.09522.39343.24403.24402.44852.93342.93344.23814.23813.0589
H92.39342.39341.09523.24402.44853.24402.93342.93344.23813.05894.2381
H102.44853.24403.24401.09522.39342.39343.05894.23814.23812.93342.9334
H113.24403.24402.44852.39341.09522.39344.23814.23813.05892.93342.9334
H123.24402.44853.24402.39342.39341.09524.23813.05894.23812.93342.9334

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 129.373 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 129.373
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 132.903 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 129.373
C2 C3 C5 90.000 C2 C3 H9 129.373
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 132.903 C3 C1 C4 90.000
C3 C1 H7 129.373 C3 C2 C6 90.000
C3 C2 H8 129.373 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 132.903
C4 C1 H7 132.903 C4 C5 C6 60.000
C4 C5 H11 129.373 C4 C6 H12 129.373
C5 C3 H9 132.903 C5 C4 C6 60.000
C5 C4 H10 129.373 C5 C6 H12 129.373
C6 C2 H8 132.903 C6 C4 C5 60.000
C6 C4 H10 129.373 C6 C5 H11 129.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability