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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-231.074084
Energy at 298.15K-231.077882
HF Energy-230.486386
Nuclear repulsion energy173.770813
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 QCISD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3117 3004 0.00      
2 Ag 3112 2999 0.00      
3 Ag 2005 1932 0.00      
4 Ag 1536 1480 0.00      
5 Ag 1443 1391 0.00      
6 Ag 1186 1143 0.00      
7 Ag 1035 998 0.00      
8 Ag 934 900 0.00      
9 Ag 524 505 0.00      
10 Ag 215 207 0.00      
11 Au 3185 3069 23.93      
12 Au 1073 1034 0.03      
13 Au 919 885 36.04      
14 Au 485 468 4.55      
15 Au 295 284 10.94      
16 Au 71 68 0.17      
17 Bg 3185 3069 0.00      
18 Bg 1075 1036 0.00      
19 Bg 912 879 0.00      
20 Bg 671 647 0.00      
21 Bg 277 267 0.00      
22 Bu 3123 3010 16.09      
23 Bu 3112 2999 24.79      
24 Bu 2015 1942 26.92      
25 Bu 1518 1462 0.17      
26 Bu 1324 1276 5.43      
27 Bu 1093 1054 1.28      
28 Bu 935 901 108.46      
29 Bu 514 495 18.68      
30 Bu 115 111 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 20502.0 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 19755.7 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 QCISD/6-31G
ABC
1.04883 0.04399 0.04297

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.333 0.666 0.000
C2 0.333 -0.666 0.000
C3 0.333 1.824 0.000
C4 -0.333 -1.824 0.000
C5 1.002 2.973 0.000
C6 -1.002 -2.973 0.000
H7 -1.429 0.672 0.000
H8 1.429 -0.672 0.000
H9 1.292 3.473 0.928
H10 1.292 3.473 -0.928
H11 -1.292 -3.473 0.928
H12 -1.292 -3.473 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.48821.33572.48912.66533.69931.09642.21183.37423.37424.34884.3488
C21.48822.48911.33573.69932.66532.21181.09644.34884.34883.37423.3742
C31.33572.48913.70741.32974.97852.10522.72542.12212.12215.61775.6177
C42.48911.33573.70744.97851.32972.72542.10525.61775.61772.12212.1221
C52.66533.69931.32974.97856.27403.34733.66931.09391.09396.90476.9047
C63.69932.66534.97851.32976.27403.66933.34736.90476.90471.09391.0939
H71.09642.21182.10522.72543.34733.66933.15824.01454.01454.24984.2498
H82.21181.09642.72542.10523.66933.34733.15824.24984.24984.01454.0145
H93.37424.34882.12215.61771.09396.90474.01454.24981.85657.41177.6407
H103.37424.34882.12215.61771.09396.90474.01454.24981.85657.64077.4117
H114.34883.37425.61772.12216.90471.09394.24984.01457.41177.64071.8565
H124.34883.37425.61772.12216.90471.09394.24984.01457.64077.41171.8565

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 123.548 C1 C2 H8 116.881
C1 C3 C5 179.688 C2 C1 C3 123.548
C2 C1 H7 116.881 C2 C4 C6 179.688
C3 C1 H7 119.571 C3 C5 H9 121.939
C3 C5 H10 121.939 C4 C2 H8 119.571
C4 C6 H11 121.939 C4 C6 H12 121.939
H9 C5 H10 116.123 H11 C6 H12 116.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability