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All results from a given calculation for C6H8 (1,3-Cyclohexadiene)

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-233.341197
Energy at 298.15K-233.349792
HF Energy-233.341197
Nuclear repulsion energy218.824725
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 B97D3/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3131 3086 21.03      
2 A 3108 3063 7.51      
3 A 3020 2976 43.17      
4 A 2909 2868 18.14      
5 A 1589 1566 1.62      
6 A 1450 1429 4.89      
7 A 1412 1392 0.48      
8 A 1329 1310 1.95      
9 A 1243 1225 5.98      
10 A 1153 1137 0.08      
11 A 1049 1034 2.63      
12 A 1019 1004 1.53      
13 A 951 937 0.20      
14 A 949 935 1.08      
15 A 839 827 0.95      
16 A 752 741 1.14      
17 A 563 555 0.18      
18 A 509 502 0.25      
19 A 193 190 0.57      
20 B 3122 3077 51.96      
21 B 3101 3056 0.35      
22 B 3019 2975 21.13      
23 B 2923 2881 66.32      
24 B 1658 1634 0.03      
25 B 1440 1420 4.72      
26 B 1373 1353 2.60      
27 B 1329 1310 0.93      
28 B 1181 1164 1.73      
29 B 1166 1149 4.88      
30 B 993 979 2.82      
31 B 937 923 1.98      
32 B 913 900 8.30      
33 B 743 732 8.44      
34 B 651 642 70.85      
35 B 470 463 7.08      
36 B 287 283 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 26237.1 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 25859.3 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 B97D3/TZVP
ABC
0.16898 0.16870 0.08969

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.051 1.424 0.109
C2 0.051 0.730 1.258
C3 -0.051 -0.730 1.258
C4 0.051 -1.424 0.109
C5 0.310 -0.703 -1.191
C6 -0.310 0.703 -1.191
H7 -0.019 2.512 0.111
H8 0.185 1.244 2.207
H9 -0.185 -1.244 2.207
H10 0.019 -2.512 0.111
H11 -0.067 -1.282 -2.042
H12 1.403 -0.624 -1.331
H13 0.067 1.282 -2.042
H14 -1.403 0.624 -1.331

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34612.44102.85072.51971.50931.08842.11903.39723.93753.45782.89562.15972.1317
C21.34611.46252.44102.84902.47522.12091.08842.20273.43893.86673.21933.34612.9709
C32.44101.46251.34612.47522.84903.43892.20271.08842.12093.34612.97093.86673.2193
C42.85072.44101.34611.50932.51973.93753.39722.11901.08842.15972.13173.45782.8956
C52.51972.84902.47521.50931.53733.48503.91893.47652.24771.09621.10482.17412.1715
C61.50932.47522.84902.51971.53732.24773.47653.91893.48502.17412.17151.09621.1048
H71.08842.12093.43893.93753.48502.24772.45874.30505.02504.36333.73372.48162.7497
H82.11901.08842.20273.39723.91893.47652.45872.51524.30504.95044.18294.25173.9277
H93.39722.20271.08842.11903.47653.91894.30502.51522.45874.25173.92774.95044.1829
H103.93753.43892.12091.08842.24773.48505.02504.30502.45872.48162.74974.36333.7337
H113.45783.86673.34612.15971.09622.17414.36334.95044.25172.48161.76002.56782.4342
H122.89563.21932.97092.13171.10482.17153.73374.18293.92772.74971.76002.43423.0708
H132.15973.34613.86673.45782.17411.09622.48164.25174.95044.36332.56782.43421.7600
H142.13172.97093.21932.89562.17151.10482.74973.92774.18293.73372.43423.07081.7600

picture of 1,3-Cyclohexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 93.109 C1 C2 H8 120.640
C1 C3 C5 61.660 C1 C3 H9 145.853
C2 C1 C3 31.026 C2 C1 H7 120.832
C2 C4 C6 59.839 C2 C4 H10 151.800
C3 C1 H7 151.800 C3 C5 C6 87.189
C3 C5 H11 135.469 C3 C5 H12 105.689
C4 C2 H8 145.853 C4 C6 C5 33.848
C4 C6 H13 142.902 C4 C6 H14 98.421
C5 C3 H9 152.394 C5 C6 H13 110.165
C5 C6 H14 109.458 C6 C4 H10 147.228
C6 C5 H11 110.165 C6 C5 H12 109.458
H11 C5 H12 106.200 H13 C6 H14 106.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 C -0.103      
3 C -0.103      
4 C -0.136      
5 C -0.173      
6 C -0.173      
7 H 0.107      
8 H 0.090      
9 H 0.090      
10 H 0.107      
11 H 0.106      
12 H 0.109      
13 H 0.106      
14 H 0.109      


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 -0.477 0.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.637 -0.014 0.000
y -0.014 -35.185 0.000
z 0.000 0.000 -34.716
Traceless
 xyz
x -4.686 -0.014 0.000
y -0.014 1.992 0.000
z 0.000 0.000 2.695
Polar
3z2-r25.390
x2-y2-4.452
xy-0.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.199 -0.208 0.000
y -0.208 11.694 0.000
z 0.000 0.000 11.543


<r2> (average value of r2) Å2
<r2> 142.297
(<r2>)1/2 11.929