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 C6H10 (2,4-Hexadiene, (Z,Z)-)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-234.584611
Energy at 298.15K-234.594044
Nuclear repulsion energy213.312715
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 mPW1PW91/6-31+G**
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' 3209 3054 58.88      
2 A' 3201 3047 0.00      
3 A' 3182 3029 0.00      
4 A' 3179 3026 29.07      
5 A' 3166 3013 5.96      
6 A' 3162 3009 0.00      
7 A' 3056 2909 0.00      
8 A' 3056 2908 66.37      
9 A' 1745 1661 0.00      
10 A' 1694 1612 16.73      
11 A' 1499 1427 0.00      
12 A' 1494 1422 28.35      
13 A' 1478 1406 0.00      
14 A' 1430 1361 12.53      
15 A' 1415 1347 0.00      
16 A' 1376 1310 6.46      
17 A' 1310 1247 0.00      
18 A' 1274 1212 0.87      
19 A' 1182 1125 0.00      
20 A' 1094 1042 0.21      
21 A' 1017 968 0.00      
22 A' 940 895 41.77      
23 A' 933 888 0.00      
24 A' 642 611 0.00      
25 A' 525 500 17.91      
26 A' 271 258 0.00      
27 A' 184 175 0.17      
28 A" 3111 2961 0.62      
29 A" 3111 2961 29.65      
30 A" 1487 1415 0.00      
31 A" 1487 1415 16.90      
32 A" 1059 1008 0.00      
33 A" 1058 1007 2.91      
34 A" 1022 973 1.09      
35 A" 990 943 0.00      
36 A" 811 772 0.00      
37 A" 707 673 79.29      
38 A" 472 449 0.00      
39 A" 318 303 0.11      
40 A" 122 116 0.00      
41 A" 114 108 0.96      
42 A" 63 60 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 31322.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 29813.2 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 mPW1PW91/6-31+G**
ABC
0.39093 0.05209 0.04676

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.905 -2.600 0.000
C2 1.083 -1.526 0.000
H3 -0.970 -1.216 0.000
C4 0.000 -0.726 0.000
H5 0.970 1.216 0.000
C6 0.000 0.726 0.000
H7 -0.905 2.600 0.000
C8 -1.083 1.526 0.000
H9 -2.664 0.040 0.000
H10 -3.037 1.527 0.878
H11 -3.037 1.527 -0.878
C12 -2.522 1.121 0.000
H13 2.664 -0.040 0.000
H14 3.037 -1.527 0.878
H15 3.037 -1.527 -0.878
C16 2.522 -1.121 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 C8 H9 H10 H11 C12 H13 H14 H15 C16
H11.08852.33062.08093.81673.44735.50624.58014.43965.77455.77455.05893.10622.54272.54272.1911
C21.08852.07621.34612.74452.49924.58013.74254.06115.20245.20244.47242.17012.14212.14211.4950
H32.33062.07621.08683.11132.17123.81672.74452.10903.54523.54522.80563.81994.11374.11373.4933
C42.08091.34611.08682.17121.45263.44732.49922.77223.88223.88223.12622.75123.26103.26102.5526
H53.81672.74453.11132.17121.08682.33062.07623.81994.11374.11373.49332.10903.54523.54522.8055
C63.44732.49922.17121.45261.08682.08091.34612.75123.26103.26102.55262.77223.88223.88223.1262
H75.50624.58013.81673.44732.33062.08091.08853.10622.54272.54272.19114.43965.77455.77455.0589
C84.58013.74252.74452.49922.07621.34611.08852.17012.14212.14211.49504.06115.20245.20244.4724
H94.43964.06112.10902.77223.81992.75123.10622.17011.76691.76691.09055.32905.97735.97735.3145
H105.77455.20243.54523.88224.11373.26102.54272.14211.76691.75591.09585.97736.79857.02166.2197
H115.77455.20243.54523.88224.11373.26102.54272.14211.76691.75591.09585.97737.02166.79856.2197
C125.05894.47242.80563.12623.49332.55262.19111.49501.09051.09581.09585.31456.21976.21975.5198
H133.10622.17013.81992.75122.10902.77224.43964.06115.32905.97735.97735.31451.76691.76691.0905
H142.54272.14214.11373.26103.54523.88225.77455.20245.97736.79857.02166.21971.76691.75591.0958
H152.54272.14214.11373.26103.54523.88225.77455.20245.97737.02166.79856.21971.76691.75591.0958
C162.19111.49503.49332.55262.80553.12625.05894.47245.31456.21976.21975.51981.09051.09581.0958

picture of 2,4-Hexadiene, (Z,Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 117.059 H1 C2 C16 115.108
C2 C4 H3 116.759 C2 C4 C6 126.453
C2 C16 H13 113.212 C2 C16 H14 110.603
C2 C16 H15 110.603 H3 C4 C6 116.788
C4 C2 C16 127.833 C4 C6 H5 116.787
C4 C6 C8 126.453 H5 C6 C8 116.759
C6 C8 H7 117.059 C6 C8 C12 127.833
H7 C8 C12 115.108 C8 C12 H9 113.212
C8 C12 H10 110.603 C8 C12 H11 110.603
H9 C12 H10 107.829 H9 C12 H11 107.829
H10 C12 H11 106.484 H13 C16 H14 107.828
H13 C16 H15 107.828 H14 C16 H15 106.483
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.153      
2 C -0.081      
3 H 0.135      
4 C -0.013      
5 H 0.135      
6 C -0.013      
7 H 0.153      
8 C -0.081      
9 H 0.162      
10 H 0.178      
11 H 0.178      
12 C -0.711      
13 H 0.162      
14 H 0.178      
15 H 0.178      
16 C -0.711      


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 -34.500 -1.294 0.000
y -1.294 -35.983 0.000
z 0.000 0.000 -41.687
Traceless
 xyz
x 4.335 -1.294 0.000
y -1.294 2.110 0.000
z 0.000 0.000 -6.446
Polar
3z2-r2-12.891
x2-y21.483
xy-1.294
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 246.607
(<r2>)1/2 15.704