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: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-233.050889
Energy at 298.15K-233.060667
Nuclear repulsion energy213.827949
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 HF/6-311G**
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' 3334 3029 61.21      
2 A' 3327 3022 0.00      
3 A' 3286 2985 0.00      
4 A' 3283 2982 50.79      
5 A' 3260 2962 24.51      
6 A' 3256 2958 0.00      
7 A' 3159 2870 0.02      
8 A' 3158 2869 95.15      
9 A' 1889 1716 0.00      
10 A' 1815 1649 12.12      
11 A' 1610 1462 0.00      
12 A' 1606 1459 18.17      
13 A' 1589 1443 0.00      
14 A' 1549 1407 4.02      
15 A' 1532 1392 0.00      
16 A' 1487 1351 13.91      
17 A' 1405 1276 0.00      
18 A' 1368 1243 1.25      
19 A' 1258 1143 0.00      
20 A' 1171 1064 0.78      
21 A' 1070 972 0.00      
22 A' 978 889 24.86      
23 A' 961 873 0.00      
24 A' 674 612 0.00      
25 A' 556 505 17.45      
26 A' 289 262 0.00      
27 A' 199 181 0.28      
28 A" 3199 2906 73.81      
29 A" 3198 2906 0.42      
30 A" 1601 1454 0.03      
31 A" 1601 1454 13.20      
32 A" 1166 1059 0.00      
33 A" 1165 1059 4.21      
34 A" 1123 1020 3.36      
35 A" 1099 998 0.00      
36 A" 885 804 0.00      
37 A" 767 697 73.58      
38 A" 516 469 0.00      
39 A" 347 315 0.08      
40 A" 125 114 0.00      
41 A" 115 104 0.58      
42 A" 53 49 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 33012.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 29992.0 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 HF/6-311G**
ABC
0.39219 0.05215 0.04682

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.884 -2.589 0.000
C2 1.065 -1.525 0.000
H3 -0.962 -1.216 0.000
C4 0.000 -0.734 0.000
H5 0.962 1.216 0.000
C6 0.000 0.734 0.000
H7 -0.884 2.589 0.000
C8 -1.065 1.525 0.000
H9 -2.676 0.070 0.000
H10 -3.016 1.553 0.874
H11 -3.016 1.553 -0.874
C12 -2.518 1.140 0.000
H13 2.676 -0.070 0.000
H14 3.016 -1.553 0.874
H15 3.016 -1.553 -0.874
C16 2.518 -1.140 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 C8 H9 H10 H11 C12 H13 H14 H15 C16
H11.07912.30032.05453.80593.43885.47144.55254.44335.75555.75555.04743.09172.52632.52632.1841
C21.07912.05041.32662.74332.49794.55243.72054.06715.18575.18574.46542.17112.13762.13761.5030
H32.30032.05041.07573.10112.17483.80592.74332.14303.55673.55672.82343.81434.08634.08633.4806
C42.05451.32661.07572.17471.46863.43882.49792.79433.88453.88453.13882.75753.24473.24472.5503
H53.80592.74333.10112.17471.07572.30032.05043.81444.08634.08633.48062.14293.55663.55662.8234
C63.43882.49792.17481.46861.07572.05451.32662.75753.24483.24482.55042.79433.88453.88453.1387
H75.47144.55243.80593.43882.30032.05451.07913.09172.52632.52632.18414.44325.75545.75545.0473
C84.55253.72052.74332.49792.05041.32661.07912.17112.13762.13761.50304.06705.18565.18564.4654
H94.44334.06712.14302.79433.81442.75753.09172.17111.75471.75471.08175.35415.98285.98285.3330
H105.75555.18573.55673.88454.08633.24482.52632.13761.75471.74831.08755.98276.78397.00566.2156
H115.75555.18573.55673.88454.08633.24482.52632.13761.75471.74831.08755.98277.00566.78396.2156
C125.04744.46542.82343.13883.48062.55042.18411.50301.08171.08751.08755.33306.21566.21565.5277
H133.09172.17113.81432.75752.14292.79434.44324.06705.35415.98275.98275.33301.75471.75471.0817
H142.52632.13764.08633.24473.55663.88455.75545.18565.98286.78397.00566.21561.75471.74831.0875
H152.52632.13764.08633.24473.55663.88455.75545.18565.98287.00566.78396.21561.75471.74831.0875
C162.18411.50303.48062.55032.82343.13875.04734.46545.33306.21566.21565.52771.08171.08751.0875

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 116.926 H1 C2 C16 114.526
C2 C4 H3 116.798 C2 C4 C6 126.590
C2 C16 H13 113.272 C2 C16 H14 110.182
C2 C16 H15 110.182 H3 C4 C6 116.612
C4 C2 C16 128.548 C4 C6 H5 116.612
C4 C6 C8 126.591 H5 C6 C8 116.798
C6 C8 H7 116.925 C6 C8 C12 128.549
H7 C8 C12 114.526 C8 C12 H9 113.272
C8 C12 H10 110.182 C8 C12 H11 110.182
H9 C12 H10 107.988 H9 C12 H11 107.988
H10 C12 H11 107.000 H13 C16 H14 107.988
H13 C16 H15 107.988 H14 C16 H15 107.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.094      
2 C -0.147      
3 H 0.094      
4 C -0.128      
5 H 0.094      
6 C -0.128      
7 H 0.094      
8 C -0.147      
9 H 0.091      
10 H 0.100      
11 H 0.100      
12 C -0.206      
13 H 0.091      
14 H 0.100      
15 H 0.100      
16 C -0.206      


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 -35.278 -1.062 0.000
y -1.062 -36.128 0.000
z 0.000 0.000 -41.813
Traceless
 xyz
x 3.692 -1.062 0.000
y -1.062 2.418 0.000
z 0.000 0.000 -6.110
Polar
3z2-r2-12.221
x2-y20.850
xy-1.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.075 -4.369 0.000
y -4.369 11.734 0.000
z 0.000 0.000 6.117


<r2> (average value of r2) Å2
<r2> 246.423
(<r2>)1/2 15.698