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,E)-)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-39.872949
Energy at 298.15K-39.882272
Nuclear repulsion energy112.173039
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3133 3026 0.00      
2 Ag 3126 3019 0.00      
3 Ag 3110 3003 0.00      
4 Ag 3025 2922 0.00      
5 Ag 1730 1670 0.00      
6 Ag 1493 1442 0.00      
7 Ag 1415 1366 0.00      
8 Ag 1345 1299 0.00      
9 Ag 1312 1267 0.00      
10 Ag 1192 1151 0.00      
11 Ag 1111 1073 0.00      
12 Ag 922 890 0.00      
13 Ag 426 411 0.00      
14 Ag 323 312 0.00      
15 Au 3073 2967 80.78      
16 Au 1479 1428 19.57      
17 Au 1056 1020 119.83      
18 Au 1053 1017 2.98      
19 Au 785 758 10.04      
20 Au 252 244 1.81      
21 Au 165 160 0.12      
22 Au 106 102 2.63      
23 Bg 3072 2967 0.00      
24 Bg 1479 1429 0.00      
25 Bg 1057 1021 0.00      
26 Bg 993 959 0.00      
27 Bg 879 849 0.00      
28 Bg 331 320 0.00      
29 Bg 186 180 0.00      
30 Bu 3137 3030 124.49      
31 Bu 3128 3020 6.36      
32 Bu 3110 3004 26.94      
33 Bu 3025 2921 115.50      
34 Bu 1690 1632 4.99      
35 Bu 1488 1437 22.39      
36 Bu 1408 1360 10.93      
37 Bu 1323 1277 2.75      
38 Bu 1246 1204 4.27      
39 Bu 1085 1048 1.07      
40 Bu 928 896 35.11      
41 Bu 529 511 0.11      
42 Bu 133 129 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 30929.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 29868.5 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 B3LYP/CEP-31G*
ABC
0.75122 0.03912 0.03771

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.143 -3.023 0.000
C2 -1.143 3.023 0.000
C3 0.000 0.737 0.000
C4 0.000 -0.737 0.000
C5 -1.133 1.504 0.000
C6 1.133 -1.504 0.000
H7 0.118 -3.428 0.000
H8 -0.118 3.428 0.000
H9 1.672 -3.419 0.888
H10 1.672 -3.419 -0.888
H11 -1.672 3.419 0.888
H12 -1.672 3.419 -0.888
H13 0.981 1.231 0.000
H14 -0.981 -1.231 0.000
H15 -2.109 1.000 0.000
H16 2.109 -1.000 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.46433.93012.55615.06761.51891.10296.57361.10681.10687.08687.08684.25742.77965.17342.2421
C26.46432.55613.93011.51895.06766.57361.10297.08687.08681.10681.10682.77964.25742.24215.1734
C33.93012.55611.47401.36852.51154.16702.69404.56734.56733.28333.28331.09892.19932.12562.7323
C42.55613.93011.47402.51151.36852.69404.16703.28333.28334.56734.56732.19931.09892.73232.1256
C55.06761.51891.36852.51153.76675.08882.17565.73605.73602.17872.17872.13222.73971.09884.0969
C61.51895.06762.51151.36853.76672.17565.08882.17872.17875.73605.73602.73972.13224.09691.0988
H71.10296.57364.16702.69405.08882.17566.86081.79021.79027.13347.13344.73892.45684.95663.1408
H86.57361.10292.69404.16702.17565.08886.86087.13347.13341.79021.79022.45684.73893.14084.9566
H91.10687.08684.56733.28335.73602.17871.79027.13341.77597.61287.81724.78483.55235.88372.6143
H101.10687.08684.56733.28335.73602.17871.79027.13341.77597.81727.61284.78483.55235.88372.6143
H117.08681.10683.28334.56732.17875.73607.13341.79027.61287.81721.77593.55234.78482.61435.8837
H127.08681.10683.28334.56732.17875.73607.13341.79027.81727.61281.77593.55234.78482.61435.8837
H134.25742.77961.09892.19932.13222.73974.73892.45684.78484.78483.55233.55233.14903.09942.4998
H142.77964.25742.19931.09892.73972.13222.45684.73893.55233.55234.78484.78483.14902.49983.0994
H155.17342.24212.12562.73231.09884.09694.95663.14085.88375.88372.61432.61433.09942.49984.6685
H162.24215.17342.73232.12564.09691.09883.14084.95662.61432.61435.88375.88372.49983.09944.6685

picture of 2,4-Hexadiene, (E,E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 C4 124.490 C1 C6 H16 116.946
C2 C5 C3 124.490 C2 C5 H15 116.946
C3 C4 C6 124.103 C3 C4 H14 116.726
C3 C5 H15 118.565 C4 C3 C5 124.103
C4 C3 H13 116.726 C4 C6 H16 118.565
C5 C2 H8 111.172 C5 C2 H11 111.180
C5 C2 H12 111.180 C5 C3 H13 119.170
C6 C1 H7 111.172 C6 C1 H9 111.180
C6 C1 H10 111.180 C6 C4 H14 119.170
H7 C1 H9 108.220 H7 C1 H10 108.220
H8 C2 H11 108.220 H8 C2 H12 108.220
H9 C1 H10 106.693 H11 C2 H12 106.693
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494      
2 C -0.494      
3 C -0.248      
4 C -0.248      
5 C -0.322      
6 C -0.322      
7 H 0.179      
8 H 0.179      
9 H 0.146      
10 H 0.146      
11 H 0.146      
12 H 0.146      
13 H 0.311      
14 H 0.311      
15 H 0.282      
16 H 0.282      


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 -34.294 -0.831 0.000
y -0.831 -34.403 0.000
z 0.000 0.000 -41.025
Traceless
 xyz
x 3.420 -0.831 0.000
y -0.831 3.256 0.000
z 0.000 0.000 -6.676
Polar
3z2-r2-13.353
x2-y20.109
xy-0.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.510 -5.188 0.000
y -5.188 16.221 0.000
z 0.000 0.000 6.029


<r2> (average value of r2) Å2
<r2> 239.638
(<r2>)1/2 15.480