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

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-231.622800
Energy at 298.15K-231.626811
HF Energy-230.656236
Nuclear repulsion energy176.677723
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 CCD/cc-pVTZ
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 3192 2980 0.00      
2 Ag 3161 2952 0.00      
3 Ag 2062 1926 0.00      
4 Ag 1532 1431 0.00      
5 Ag 1423 1329 0.00      
6 Ag 1183 1105 0.00      
7 Ag 1051 981 0.00      
8 Ag 904 844 0.00      
9 Ag 539 503 0.00      
10 Ag 231 215 0.00      
11 Au 3242 3027 2.69      
12 Au 1032 964 2.42      
13 Au 933 871 34.24      
14 Au 494 461 3.63      
15 Au 349 326 11.72      
16 Au 78 72 0.41      
17 Bg 3242 3027 0.00      
18 Bg 1034 966 0.00      
19 Bg 909 849 0.00      
20 Bg 682 636 0.00      
21 Bg 320 298 0.00      
22 Bu 3199 2987 3.99      
23 Bu 3162 2952 8.30      
24 Bu 2073 1936 61.69      
25 Bu 1490 1391 0.38      
26 Bu 1283 1198 12.30      
27 Bu 1114 1040 0.58      
28 Bu 905 845 95.30      
29 Bu 539 504 26.80      
30 Bu 121 113 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 20739.1 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 19364.1 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 CCD/cc-pVTZ
ABC
1.06744 0.04560 0.04453

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.329 0.657 0.000
C2 0.329 -0.657 0.000
C3 0.329 1.792 0.000
C4 -0.329 -1.792 0.000
C5 0.989 2.918 0.000
C6 -0.989 -2.918 0.000
H7 -1.412 0.675 0.000
H8 1.412 -0.675 0.000
H9 1.269 3.401 0.927
H10 1.269 3.401 -0.927
H11 -1.269 -3.401 0.927
H12 -1.269 -3.401 -0.927

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46981.31182.44872.61733.63581.08272.19233.30823.30824.26754.2675
C21.46982.44871.31183.63582.61732.19231.08274.26754.26753.30823.3082
C31.31182.44873.64321.30564.89092.06812.69402.08172.08175.51175.5117
C42.44871.31183.64324.89091.30562.69402.06815.51175.51172.08172.0817
C52.61733.63581.30564.89096.16263.28533.61851.08201.08206.77456.7745
C63.63582.61734.89091.30566.16263.61853.28536.77456.77451.08201.0820
H71.08272.19232.06812.69403.28533.61853.13003.93413.93414.18294.1829
H82.19231.08272.69402.06813.61853.28533.13004.18294.18293.93413.9341
H93.30824.26752.08175.51171.08206.77453.93414.18291.85357.26067.4934
H103.30824.26752.08175.51171.08206.77453.93414.18291.85357.49347.2606
H114.26753.30825.51172.08176.77451.08204.18293.93417.26067.49341.8535
H124.26753.30825.51172.08176.77451.08204.18293.93417.49347.26061.8535

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 123.261 C1 C2 H8 117.579
C1 C3 C5 179.789 C2 C1 C3 123.261
C2 C1 H7 117.579 C2 C4 C6 179.789
C3 C1 H7 119.160 C3 C5 H9 121.071
C3 C5 H10 121.071 C4 C2 H8 119.160
C4 C6 H11 121.071 C4 C6 H12 121.071
H9 C5 H10 117.857 H11 C6 H12 117.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability