return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H8 ((Z)-hexa-2,3,4-triene)

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-233.295055
Energy at 298.15K-233.301194
HF Energy-233.295055
Nuclear repulsion energy190.096645
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 A1 3077 3033 38.36      
2 A1 3055 3011 4.93      
3 A1 2963 2920 15.33      
4 A1 2148 2117 2.12      
5 A1 1468 1447 6.57      
6 A1 1377 1357 4.42      
7 A1 1357 1338 0.48      
8 A1 1094 1078 2.70      
9 A1 1058 1043 0.30      
10 A1 751 740 0.42      
11 A1 465 459 6.84      
12 A1 89 87 1.88      
13 A2 3008 2965 0.00      
14 A2 1453 1432 0.00      
15 A2 1025 1010 0.00      
16 A2 823 811 0.00      
17 A2 536 528 0.00      
18 A2 223 220 0.00      
19 A2 135 133 0.00      
20 B1 3008 2965 42.62      
21 B1 1454 1433 13.77      
22 B1 1021 1007 1.05      
23 B1 683 673 41.72      
24 B1 226 223 2.93      
25 B1 115 114 3.08      
26 B2 3077 3032 14.07      
27 B2 3056 3012 1.21      
28 B2 2962 2920 79.11      
29 B2 1672 1647 1.80      
30 B2 1455 1434 19.57      
31 B2 1376 1356 6.95      
32 B2 1264 1246 20.65      
33 B2 1074 1058 1.17      
34 B2 916 903 44.67      
35 B2 549 541 2.83      
36 B2 208 205 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 25109.2 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 24747.6 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
0.41702 0.04627 0.04230

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 2.193 1.640
H2 0.882 3.463 0.757
H3 -0.882 3.463 0.757
H4 0.000 -2.193 1.640
H5 0.882 -3.463 0.757
H6 -0.882 -3.463 0.757
C7 0.000 2.808 0.735
C8 0.000 -2.808 0.735
H9 0.000 2.484 -1.462
H10 0.000 -2.484 -1.462
C11 0.000 -0.634 -0.512
C12 0.000 0.634 -0.512
C13 0.000 1.957 -0.505
C14 0.000 -1.957 -0.505

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 H10 C11 C12 C13 C14
H11.78021.78024.38675.79255.79251.09355.08233.11575.61253.55302.65762.15774.6717
H21.78021.76415.79256.92637.14741.09916.33262.58146.40884.37893.22402.15415.6346
H31.78021.76415.79257.14746.92631.09916.33262.58146.40884.37893.22402.15415.6346
H44.38675.79255.79251.78021.78025.08231.09355.61253.11572.65763.55304.67172.1577
H55.79256.92637.14741.78021.76416.33261.09916.40882.58143.22404.37895.63462.1541
H65.79257.14746.92631.78021.76416.33261.09916.40882.58143.22404.37895.63462.1541
C71.09351.09911.09915.08236.33266.33265.61552.22135.72993.66072.50631.50404.9234
C85.08236.33266.33261.09351.09911.09915.61555.72992.22132.50633.66074.92341.5040
H93.11572.58142.58145.61256.40886.40882.22135.72994.96793.25942.07991.09294.5429
H105.61256.40886.40883.11572.58142.58145.72992.22134.96792.07993.25944.54291.0929
C113.55304.37894.37892.65763.22403.22403.66072.50633.25942.07991.26772.59081.3231
C122.65763.22403.22403.55304.37894.37892.50633.66072.07993.25941.26771.32312.5908
C132.15772.15412.15414.67175.63465.63461.50404.92341.09294.54292.59081.32313.9138
C144.67175.63465.63462.15772.15412.15414.92341.50404.54291.09291.32312.59083.9138

picture of (Z)-hexa-2,3,4-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C7 H2 108.565 H1 C7 H3 108.565
H1 C7 C13 111.363 H2 C7 H3 106.742
H2 C7 C13 110.728 H3 C7 C13 110.728
H4 C8 H5 108.565 H4 C8 H6 108.565
H4 C8 C14 111.363 H5 C8 H6 106.742
H5 C8 C14 110.728 H6 C8 C14 110.728
C7 C13 H9 116.714 C7 C13 C12 124.761
C8 C14 H10 116.714 C8 C14 C11 124.761
H9 C13 C12 118.525 H10 C14 C11 118.525
C11 C12 C13 179.691 C12 C11 C14 179.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.131      
2 H 0.118      
3 H 0.118      
4 H 0.131      
5 H 0.118      
6 H 0.118      
7 C -0.336      
8 C -0.336      
9 H 0.131      
10 H 0.131      
11 C 0.067      
12 C 0.067      
13 C -0.229      
14 C -0.229      


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 0.467 0.467
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.202 0.000 0.000
y 0.000 -29.617 0.000
z 0.000 0.000 -36.641
Traceless
 xyz
x -6.074 0.000 0.000
y 0.000 8.305 0.000
z 0.000 0.000 -2.231
Polar
3z2-r2-4.463
x2-y2-9.586
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.032 0.000 0.000
y 0.000 23.296 0.000
z 0.000 0.000 8.373


<r2> (average value of r2) Å2
<r2> 265.022
(<r2>)1/2 16.279