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, (E,Z)-)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-234.383247
Energy at 298.15K-234.392586
HF Energy-234.383247
Nuclear repulsion energy210.682139
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 PBEPBE/Def2TZVPP
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' 3081 3044 49.69      
2 A' 3069 3032 18.07      
3 A' 3059 3022 5.38      
4 A' 3055 3018 17.22      
5 A' 3048 3011 1.45      
6 A' 3034 2998 4.91      
7 A' 2954 2918 29.64      
8 A' 2948 2912 39.51      
9 A' 1662 1642 4.34      
10 A' 1628 1609 5.76      
11 A' 1440 1423 10.30      
12 A' 1433 1416 22.68      
13 A' 1394 1377 4.73      
14 A' 1358 1341 3.50      
15 A' 1354 1338 3.46      
16 A' 1290 1275 1.36      
17 A' 1264 1249 1.78      
18 A' 1233 1218 0.80      
19 A' 1151 1137 0.12      
20 A' 1080 1067 0.02      
21 A' 1023 1011 0.52      
22 A' 909 898 41.66      
23 A' 907 896 3.81      
24 A' 586 579 5.03      
25 A' 455 450 0.23      
26 A' 309 306 2.28      
27 A' 146 144 0.50      
28 A" 2996 2959 15.10      
29 A" 2993 2956 15.04      
30 A" 1426 1409 7.04      
31 A" 1423 1406 5.83      
32 A" 1020 1008 0.00      
33 A" 1014 1002 2.46      
34 A" 986 975 19.04      
35 A" 939 927 14.13      
36 A" 821 811 11.44      
37 A" 703 695 16.33      
38 A" 433 428 3.78      
39 A" 215 212 0.00      
40 A" 195 193 0.99      
41 A" 135 133 0.00      
42 A" 111 110 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 30140.7 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 29776.0 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 PBEPBE/Def2TZVPP
ABC
0.37076 0.04870 0.04375

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.300 2.968 0.000
H2 1.377 2.753 0.000
H3 0.074 3.588 0.882
H4 0.074 3.588 -0.882
C5 1.037 -2.503 0.000
H6 1.767 -1.685 0.000
H7 1.235 -3.132 -0.882
H8 1.235 -3.132 0.882
C9 -0.382 -2.021 0.000
H10 -1.143 -2.807 0.000
C11 -0.815 -0.741 0.000
H12 -1.896 -0.572 0.000
C13 0.000 0.460 0.000
H14 1.088 0.344 0.000
C15 -0.509 1.709 0.000
H16 -1.598 1.827 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 H12 C13 H14 C15 H16
C11.09851.10171.10175.51944.87786.23356.23355.03485.95233.87264.16552.52572.73951.49622.2146
H21.09851.78141.78145.26684.45495.95285.95285.08806.10504.12514.66622.67542.42682.15603.1164
H31.10171.78141.76406.22875.60737.04386.81945.69596.56934.50644.68643.25093.51142.15602.5836
H41.10171.78141.76406.22875.60736.81947.04385.69596.56934.50644.68643.25093.51142.15602.5836
C55.51945.26686.22876.22871.09641.10151.10151.49822.20042.55543.51133.13842.84684.48595.0680
H64.87784.45495.60735.60731.09641.77661.77662.17493.11852.74843.82822.77842.13894.08564.8633
H76.23355.95287.04386.81941.10151.77661.76382.15082.55623.27014.13933.89913.58905.22025.7786
H86.23355.95286.81947.04381.10151.77661.76382.15082.55623.27014.13933.89913.58905.22025.7786
C95.03485.08805.69595.69591.49822.17492.15082.15081.09411.35092.09582.50982.78433.73184.0352
H105.95236.10506.56936.56932.20043.11852.55622.55621.09412.09202.35913.46113.86074.56044.6564
C113.87264.12514.50644.50642.55542.74843.27013.27011.35092.09201.09461.45122.19022.46902.6848
H124.16554.66624.68644.68643.51133.82824.13934.13932.09582.35911.09462.15873.12142.66962.4171
C132.52572.67543.25093.25093.13842.77843.89913.89912.50983.46111.45122.15871.09411.34862.1030
H142.73952.42683.51143.51142.84682.13893.58903.58902.78433.86072.19023.12141.09412.10053.0682
C151.49622.15602.15602.15604.48594.08565.22025.22023.73184.56042.46902.66961.34862.10051.0958
H162.21463.11642.58362.58365.06804.86335.77865.77864.03524.65642.68482.41712.10303.06821.0958

picture of 2,4-Hexadiene, (E,Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C15 C13 125.123 C1 C15 H16 116.538
H2 C1 H3 108.126 H2 C1 H4 108.126
H2 C1 C15 111.471 H3 C1 H4 106.370
H3 C1 C15 111.268 H4 C1 C15 111.268
C5 C9 H10 115.287 C5 C9 C11 127.435
H6 C5 H7 107.861 H6 C5 H8 107.861
H6 C5 C9 112.998 H7 C5 H8 106.384
H7 C5 C9 110.728 H8 C5 C9 110.728
C9 C11 H12 117.579 C9 C11 C13 127.165
H10 C9 C11 117.278 C11 C13 H14 118.069
C11 C13 C15 123.689 H12 C11 C13 115.256
C13 C15 H16 118.339 H14 C13 C15 118.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 H 0.074      
3 H 0.087      
4 H 0.087      
5 C -0.213      
6 H 0.071      
7 H 0.088      
8 H 0.088      
9 C -0.104      
10 H 0.087      
11 C -0.097      
12 H 0.072      
13 C -0.072      
14 H 0.050      
15 C -0.076      
16 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.300 0.182 0.000 0.351
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.062 -0.672 0.000
y -0.672 -34.737 0.000
z 0.000 0.000 -41.466
Traceless
 xyz
x 1.039 -0.672 0.000
y -0.672 4.527 0.000
z 0.000 0.000 -5.566
Polar
3z2-r2-11.132
x2-y2-2.325
xy-0.672
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.426 -1.104 0.000
y -1.104 19.985 0.000
z 0.000 0.000 7.756


<r2> (average value of r2) Å2
<r2> 261.146
(<r2>)1/2 16.160