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All results from a given calculation for C6H6 (1,2,4,5-Hexatetraene)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-231.287160
Energy at 298.15K-231.291361
HF Energy-230.617948
Nuclear repulsion energy177.143001
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 CISD/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3267 3023 0.00      
2 Ag 3238 2996 0.00      
3 Ag 2135 1976 0.00      
4 Ag 1584 1466 0.00      
5 Ag 1470 1360 0.00      
6 Ag 1221 1130 0.00      
7 Ag 1089 1008 0.00      
8 Ag 943 873 0.00      
9 Ag 564 522 0.00      
10 Ag 245 227 0.00      
11 Au 3320 3072 6.63      
12 Au 1073 993 0.52      
13 Au 965 893 39.80      
14 Au 513 475 3.58      
15 Au 370 342 16.37      
16 Au 78 72 0.38      
17 Bg 3320 3072 0.00      
18 Bg 1075 995 0.00      
19 Bg 950 879 0.00      
20 Bg 713 660 0.00      
21 Bg 342 316 0.00      
22 Bu 3274 3029 6.95      
23 Bu 3238 2996 13.17      
24 Bu 2143 1983 108.08      
25 Bu 1536 1421 0.22      
26 Bu 1333 1234 14.66      
27 Bu 1153 1067 0.98      
28 Bu 944 873 113.16      
29 Bu 575 532 32.67      
30 Bu 129 119 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 21398.9 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 19800.4 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 CISD/6-311G*
ABC
1.07047 0.04585 0.04477

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.328 0.658 0.000
C2 0.328 -0.658 0.000
C3 0.328 1.787 0.000
C4 -0.328 -1.787 0.000
C5 0.986 2.909 0.000
C6 -0.986 -2.909 0.000
H7 -1.410 0.676 0.000
H8 1.410 -0.676 0.000
H9 1.269 3.393 0.923
H10 1.269 3.393 -0.923
H11 -1.269 -3.393 0.923
H12 -1.269 -3.393 -0.923

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47081.30642.44532.60673.62711.08172.19103.29933.29934.26034.2603
C21.47082.44531.30643.62712.60672.19101.08174.26034.26033.29933.2993
C31.30642.44533.63451.30034.87682.06352.69002.07752.07755.49945.4994
C42.44531.30643.63454.87681.30032.69002.06355.49945.49942.07752.0775
C52.60673.62711.30034.87686.14323.27563.60951.08041.08046.75706.7570
C63.62712.60674.87681.30036.14323.60953.27566.75706.75701.08041.0804
H71.08172.19102.06352.69003.27563.60953.12703.92613.92614.17494.1749
H82.19101.08172.69002.06353.60953.27563.12704.17494.17493.92613.9261
H93.29934.26032.07755.49941.08046.75703.92614.17491.84697.24557.4772
H103.29934.26032.07755.49941.08046.75703.92614.17491.84697.47727.2455
H114.26033.29935.49942.07756.75701.08044.17493.92617.24557.47721.8469
H124.26033.29935.49942.07756.75701.08044.17493.92617.47727.24551.8469

picture of 1,2,4,5-Hexatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 123.294 C1 C2 H8 117.457
C1 C3 C5 179.791 C2 C1 C3 123.294
C2 C1 H7 117.457 C2 C4 C6 179.791
C3 C1 H7 119.249 C3 C5 H9 121.266
C3 C5 H10 121.266 C4 C2 H8 119.249
C4 C6 H11 121.266 C4 C6 H12 121.266
H9 C5 H10 117.468 H11 C6 H12 117.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability