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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-230.726899
Energy at 298.15K-230.730981
HF Energy-230.726899
Nuclear repulsion energy176.941931
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 B1B95/3-21G
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 3187 3049 0.00      
2 Ag 3156 3019 0.00      
3 Ag 2075 1985 0.00      
4 Ag 1537 1471 0.00      
5 Ag 1440 1377 0.00      
6 Ag 1196 1144 0.00      
7 Ag 1047 1002 0.00      
8 Ag 933 892 0.00      
9 Ag 553 529 0.00      
10 Ag 233 223 0.00      
11 Au 3228 3088 5.19      
12 Au 1060 1015 1.95      
13 Au 954 913 53.07      
14 Au 500 479 5.12      
15 Au 352 337 15.08      
16 Au 85 82 0.60      
17 Bg 3228 3088 0.00      
18 Bg 1063 1017 0.00      
19 Bg 929 889 0.00      
20 Bg 700 670 0.00      
21 Bg 318 305 0.00      
22 Bu 3198 3059 7.79      
23 Bu 3157 3020 8.26      
24 Bu 2101 2010 93.31      
25 Bu 1510 1445 0.84      
26 Bu 1321 1263 5.39      
27 Bu 1139 1089 3.51      
28 Bu 933 893 147.24      
29 Bu 553 529 27.15      
30 Bu 123 118 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 20903.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19998.4 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 B1B95/3-21G
ABC
1.07486 0.04574 0.04467

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.327 0.656 0.000
C2 0.327 -0.656 0.000
C3 0.327 1.790 0.000
C4 -0.327 -1.790 0.000
C5 0.982 2.913 0.000
C6 -0.982 -2.913 0.000
H7 -1.413 0.662 0.000
H8 1.413 -0.662 0.000
H9 1.268 3.406 0.924
H10 1.268 3.406 -0.924
H11 -1.268 -3.406 0.924
H12 -1.268 -3.406 -0.924

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46651.30962.44652.60933.62881.08572.18353.31043.31044.27054.2705
C21.46652.44651.30963.62882.60932.18351.08574.27054.27053.31043.3104
C31.30962.44653.64011.29974.88242.07392.68242.08522.08525.51345.5134
C42.44651.30963.64014.88241.29972.68242.07395.51345.51342.08522.0852
C52.60933.62881.29974.88246.14843.28663.60141.08571.08576.77076.7707
C63.62882.60934.88241.29976.14843.60143.28666.77076.77071.08571.0857
H71.08572.18352.07392.68243.28663.60143.12123.94553.94554.17424.1742
H82.18351.08572.68242.07393.60143.28663.12124.17424.17423.94553.9455
H93.31044.27052.08525.51341.08576.77073.94554.17421.84877.26807.4994
H103.31044.27052.08525.51341.08576.77073.94554.17421.84877.49947.2680
H114.27053.31045.51342.08526.77071.08574.17423.94557.26807.49941.8487
H124.27053.31045.51342.08526.77071.08574.17423.94557.49947.26801.8487

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 123.493 C1 C2 H8 116.845
C1 C3 C5 179.747 C2 C1 C3 123.493
C2 C1 H7 116.845 C2 C4 C6 179.747
C3 C1 H7 119.662 C3 C5 H9 121.638
C3 C5 H10 121.638 C4 C2 H8 119.662
C4 C6 H11 121.638 C4 C6 H12 121.638
H9 C5 H10 116.724 H11 C6 H12 116.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 C -0.339      
3 C 0.134      
4 C 0.134      
5 C -0.509      
6 C -0.509      
7 H 0.246      
8 H 0.246      
9 H 0.234      
10 H 0.234      
11 H 0.234      
12 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.144 3.829 0.000
y 3.829 -29.996 0.000
z 0.000 0.000 -36.347
Traceless
 xyz
x -0.973 3.829 0.000
y 3.829 5.250 0.000
z 0.000 0.000 -4.277
Polar
3z2-r2-8.553
x2-y2-4.149
xy3.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.030 6.246 0.000
y 6.246 18.411 0.000
z 0.000 0.000 4.187


<r2> (average value of r2) Å2
<r2> 241.644
(<r2>)1/2 15.545