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All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

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-231.309745
Energy at 298.15K-231.313765
HF Energy-230.642088
Nuclear repulsion energy175.638634
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 3356 3105 0.00      
2 Ag 3278 3033 0.00      
3 Ag 3260 3016 0.00      
4 Ag 2431 2250 0.00      
5 Ag 1758 1626 0.00      
6 Ag 1507 1394 0.00      
7 Ag 1386 1282 0.00      
8 Ag 1142 1057 0.00      
9 Ag 748 693 0.00      
10 Ag 574 532 0.00      
11 Ag 244 225 0.00      
12 Au 1058 979 46.91      
13 Au 1003 928 95.33      
14 Au 713 660 12.30      
15 Au 189 175 8.07      
16 Au 35 32 0.11      
17 Bg 1056 977 0.00      
18 Bg 1003 928 0.00      
19 Bg 724 670 0.00      
20 Bg 374 346 0.00      
21 Bu 3356 3105 21.07      
22 Bu 3277 3032 23.29      
23 Bu 3260 3016 6.21      
24 Bu 1782 1649 22.18      
25 Bu 1523 1410 6.99      
26 Bu 1382 1279 7.76      
27 Bu 1254 1160 23.30      
28 Bu 1058 979 0.24      
29 Bu 552 511 8.85      
30 Bu 116 108 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 21698.2 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 20077.3 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
0.87376 0.04576 0.04348

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 0.000 0.600 0.000
C2 0.000 -0.600 0.000
C3 0.000 2.032 0.000
C4 0.000 -2.032 0.000
C5 1.106 2.770 0.000
C6 -1.106 -2.770 0.000
H7 -0.969 2.512 0.000
H8 0.969 -2.512 0.000
H9 2.088 2.322 0.000
H10 1.052 3.848 0.000
H11 -2.088 -2.322 0.000
H12 -1.052 -3.848 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20061.43212.63272.43573.54762.14343.25992.70593.41373.59134.5708
C21.20062.63271.43213.54762.43573.25992.14343.59134.57082.70593.4137
C31.43212.63274.06471.32984.92851.08144.64672.10752.09834.82895.9735
C42.63271.43214.06474.92851.32984.64671.08144.82895.97352.10752.0983
C52.43573.54761.32984.92855.96612.09135.28431.07891.07876.01106.9612
C63.54762.43574.92851.32985.96615.28432.09136.01106.96121.07891.0787
H72.14343.25991.08144.64672.09135.28435.38523.06262.42274.96186.3605
H83.25992.14344.64671.08145.28432.09135.38524.96186.36053.06262.4227
H92.70593.59132.10754.82891.07896.01103.06264.96181.84396.24486.9227
H103.41374.57082.09835.97351.07876.96122.42276.36051.84396.92277.9781
H113.59132.70594.82892.10756.01101.07894.96183.06266.24486.92271.8439
H124.57083.41375.97352.09836.96121.07876.36052.42276.92277.97811.8439

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 123.711
C1 C3 H7 116.339 C2 C1 C3 180.000
C2 C4 C6 123.711 C2 C4 H8 116.339
C3 C5 H9 121.732 C3 C5 H10 120.843
C4 C6 H11 121.732 C4 C6 H12 120.843
C5 C3 H7 119.950 C6 C4 H8 119.950
H9 C5 H10 117.426 H11 C6 H12 117.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability