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: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-39.819177
Energy at 298.15K-39.828636
Nuclear repulsion energy113.519758
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 A' 3165 3065 110.13      
2 A' 3157 3057 15.17      
3 A' 3137 3038 39.47      
4 A' 3135 3036 26.73      
5 A' 3117 3018 0.55      
6 A' 3111 3013 13.35      
7 A' 3021 2926 52.38      
8 A' 3015 2920 71.40      
9 A' 1716 1662 3.59      
10 A' 1668 1615 2.93      
11 A' 1506 1458 12.18      
12 A' 1502 1455 20.17      
13 A' 1441 1396 9.25      
14 A' 1432 1387 1.61      
15 A' 1426 1381 4.42      
16 A' 1345 1302 1.35      
17 A' 1320 1278 1.70      
18 A' 1278 1238 1.09      
19 A' 1188 1150 0.59      
20 A' 1111 1076 0.72      
21 A' 1058 1024 0.64      
22 A' 941 911 29.44      
23 A' 926 897 9.34      
24 A' 595 576 6.91      
25 A' 460 445 0.20      
26 A' 318 308 1.97      
27 A' 151 147 0.57      
28 A" 3078 2981 61.96      
29 A" 3076 2979 45.93      
30 A" 1499 1451 14.47      
31 A" 1493 1446 11.64      
32 A" 1080 1046 0.09      
33 A" 1067 1033 4.79      
34 A" 1058 1025 52.17      
35 A" 1018 986 18.45      
36 A" 886 858 30.60      
37 A" 757 733 34.92      
38 A" 440 426 7.48      
39 A" 210 203 0.03      
40 A" 199 193 1.86      
41 A" 126 122 0.29      
42 A" 106 102 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 31165.3 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 30180.4 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
0.35680 0.04729 0.04243

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.421 2.990 0.000
H2 1.490 2.716 0.000
H3 0.227 3.621 0.888
H4 0.227 3.621 -0.888
C5 0.922 -2.584 0.000
H6 1.677 -1.784 0.000
H7 1.100 -3.221 -0.888
H8 1.100 -3.221 0.888
C9 -0.507 -2.047 0.000
H10 -1.299 -2.807 0.000
C11 -0.892 -0.724 0.000
H12 -1.967 -0.501 0.000
C13 0.000 0.456 0.000
H14 1.083 0.287 0.000
C15 -0.465 1.751 0.000
H16 -1.551 1.919 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 H12 C13 H14 C15 H16
C11.10321.10731.10735.59644.93636.31026.31025.12126.04633.93924.22952.56832.78251.52362.2442
H21.10321.78981.78985.33114.50446.01596.01595.16486.18744.18474.72272.70722.46332.18093.1441
H31.10731.78981.77696.30745.66687.12276.89755.78406.66634.57454.75383.29543.55532.18382.6171
H41.10731.78981.77696.30745.66686.89757.12275.78406.66634.57454.75383.29543.55532.18382.6171
C55.59645.33116.30746.30741.10071.10731.10731.52652.23152.59803.56163.17712.87584.55135.1379
H64.93634.50445.66685.66681.10071.78511.78512.20013.14702.77953.86372.79872.15484.13344.9132
H76.31026.01597.12276.89751.10731.78511.77692.17932.59103.31494.19423.93933.61855.28695.8512
H86.31026.01596.89757.12271.10731.78511.77692.17932.59103.31494.19423.93933.61855.28695.8512
C95.12125.16485.78405.78401.52652.20012.17932.17931.09761.37742.12622.55372.82373.79744.1012
H106.04636.18746.66636.66632.23153.14702.59102.59101.09762.12202.40073.51203.90424.63294.7328
C113.93924.18474.57454.57452.59802.77953.31493.31491.37742.12201.09801.47952.21862.51122.7244
H124.22954.72274.75384.75383.56163.86374.19424.19422.12622.40071.09802.18763.15002.70652.4558
C132.56832.70723.29543.29543.17712.79873.93933.93932.55373.51201.47952.18761.09591.37542.1324
H142.78252.46333.55533.55532.87582.15483.61853.61852.82373.90422.21863.15001.09592.13043.0988
C151.52362.18092.18382.18384.55134.13345.28695.28693.79744.63292.51122.70651.37542.13041.0991
H162.24423.14412.61712.61715.13794.91325.85125.85124.10124.73282.72442.45582.13243.09881.0991

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 124.647 C1 C15 H16 116.746
H2 C1 H3 108.127 H2 C1 H4 108.127
H2 C1 C15 111.239 H3 C1 H4 106.713
H3 C1 C15 111.224 H4 C1 C15 111.224
C5 C9 H10 115.545 C5 C9 C11 126.855
H6 C5 H7 107.904 H6 C5 H8 107.904
H6 C5 C9 112.740 H7 C5 H8 106.721
H7 C5 C9 110.666 H8 C5 C9 110.666
C9 C11 H12 117.958 C9 C11 C13 126.689
H10 C9 C11 117.600 C11 C13 H14 118.197
C11 C13 C15 123.148 H12 C11 C13 115.354
C13 C15 H16 118.607 H14 C13 C15 118.655
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 -0.493      
2 H 0.171      
3 H 0.143      
4 H 0.143      
5 C -0.422      
6 H 0.170      
7 H 0.143      
8 H 0.143      
9 C -0.396      
10 H 0.232      
11 C -0.187      
12 H 0.259      
13 C -0.159      
14 H 0.298      
15 C -0.304      
16 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.243 0.137 0.000 0.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.682 -0.639 0.000
y -0.639 -33.424 0.000
z 0.000 0.000 -41.342
Traceless
 xyz
x 1.702 -0.639 0.000
y -0.639 5.088 0.000
z 0.000 0.000 -6.789
Polar
3z2-r2-13.579
x2-y2-2.257
xy-0.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.384 -0.975 0.000
y -0.975 18.357 0.000
z 0.000 0.000 5.693


<r2> (average value of r2) Å2
<r2> 215.870
(<r2>)1/2 14.693