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: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-234.498565
Energy at 298.15K-234.507867
Nuclear repulsion energy211.309070
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 BLYP/6-31G**
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' 3088 3064 86.25      
2 A' 3081 3057 0.00      
3 A' 3066 3042 0.00      
4 A' 3062 3038 38.47      
5 A' 3051 3028 2.63      
6 A' 3045 3022 0.00      
7 A' 2949 2926 0.07      
8 A' 2949 2926 79.90      
9 A' 1656 1644 0.00      
10 A' 1618 1605 13.24      
11 A' 1468 1456 0.00      
12 A' 1464 1452 15.45      
13 A' 1440 1429 0.00      
14 A' 1395 1384 4.46      
15 A' 1384 1374 0.00      
16 A' 1348 1337 12.68      
17 A' 1277 1267 0.00      
18 A' 1244 1234 0.39      
19 A' 1146 1137 0.00      
20 A' 1059 1051 1.18      
21 A' 989 981 0.00      
22 A' 904 897 36.51      
23 A' 890 883 0.00      
24 A' 625 620 0.00      
25 A' 513 509 15.22      
26 A' 264 262 0.00      
27 A' 179 178 0.15      
28 A" 2986 2963 50.30      
29 A" 2986 2963 3.10      
30 A" 1457 1446 0.00      
31 A" 1457 1446 8.88      
32 A" 1028 1020 0.00      
33 A" 1028 1020 0.48      
34 A" 985 978 0.43      
35 A" 945 938 0.00      
36 A" 788 782 0.00      
37 A" 689 684 43.30      
38 A" 451 447 0.00      
39 A" 309 306 0.04      
40 A" 130 129 0.00      
41 A" 121 120 0.50      
42 A" 69 68 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 30288.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 30054.8 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 BLYP/6-31G**
ABC
0.38667 0.05091 0.04576

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.905 2.626 0.000
C2 -1.088 1.545 0.000
H3 0.981 1.218 0.000
C4 0.000 0.730 0.000
H5 -0.981 -1.218 0.000
C6 -0.000 -0.730 0.000
H7 0.905 -2.626 0.000
C8 1.088 -1.545 0.000
H9 2.699 -0.060 0.000
H10 3.065 -1.562 0.883
H11 3.065 -1.562 -0.883
C12 2.545 -1.148 0.000
H13 -2.699 0.060 0.000
H14 -3.065 1.562 0.883
H15 -3.065 1.562 -0.883
C16 -2.545 1.148 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 C8 H9 H10 H11 C12 H13 H14 H15 C16
H11.09702.35302.10113.84483.47555.55504.62234.49445.83755.83755.11343.13072.56482.56482.2077
C21.09702.09441.35952.76472.52114.62233.77884.11295.26105.26104.52252.19012.16502.16501.5097
H32.35302.09441.09553.12752.18063.84482.76472.14143.58513.58512.83693.85714.15494.15493.5264
C42.10111.35951.09552.18061.45933.47552.52112.81193.92743.92743.16302.78043.29633.29632.5793
H53.84482.76473.12752.18061.09552.35302.09443.85714.15494.15493.52642.14143.58513.58512.8369
C63.47552.52112.18061.45931.09552.10111.35952.78043.29633.29632.57932.81193.92743.92743.1630
H75.55504.62233.84483.47552.35302.10111.09703.13072.56472.56472.20774.49445.83755.83755.1135
C84.62233.77882.76472.52112.09441.35951.09702.19012.16502.16501.50974.11295.26105.26104.5225
H94.49444.11292.14142.81193.85712.78043.13072.19011.78041.78041.09905.39866.05216.05215.3812
H105.83755.26103.58513.92744.15493.29632.56472.16501.78041.76691.10526.05216.87967.10296.2926
H115.83755.26103.58513.92744.15493.29632.56472.16501.78041.76691.10526.05217.10296.87966.2926
C125.11344.52252.83693.16303.52642.57932.20771.50971.09901.10521.10525.38126.29266.29265.5844
H133.13072.19013.85712.78042.14142.81194.49444.11295.39866.05216.05215.38121.78041.78041.0990
H142.56482.16504.15493.29633.58513.92745.83755.26106.05216.87967.10296.29261.78041.76691.1052
H152.56482.16504.15493.29633.58513.92745.83755.26106.05217.10296.87966.29261.78041.76691.1052
C162.20771.50973.52642.57932.83693.16305.11354.52255.38126.29266.29265.58441.09901.10521.1052

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 117.194 H1 C2 C16 114.842
C2 C4 H3 116.699 C2 C4 C6 126.827
C2 C16 H13 113.242 C2 C16 H14 110.822
C2 C16 H15 110.822 H3 C4 C6 116.474
C4 C2 C16 127.963 C4 C6 H5 116.474
C4 C6 C8 126.827 H5 C6 C8 116.699
C6 C8 H7 117.194 C6 C8 C12 127.964
H7 C8 C12 114.842 C8 C12 H9 113.242
C8 C12 H10 110.821 C8 C12 H11 110.821
H9 C12 H10 107.752 H9 C12 H11 107.752
H10 C12 H11 106.133 H13 C16 H14 107.751
H13 C16 H15 107.751 H14 C16 H15 106.132
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.059      
2 C -0.059      
3 H 0.047      
4 C -0.040      
5 H 0.047      
6 C -0.040      
7 H 0.059      
8 C -0.059      
9 H 0.101      
10 H 0.105      
11 H 0.105      
12 C -0.318      
13 H 0.101      
14 H 0.105      
15 H 0.105      
16 C -0.318      


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 -34.637 -1.095 0.000
y -1.095 -36.048 0.000
z 0.000 0.000 -40.392
Traceless
 xyz
x 3.583 -1.095 0.000
y -1.095 1.467 0.000
z 0.000 0.000 -5.050
Polar
3z2-r2-10.099
x2-y21.411
xy-1.095
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> 251.250
(<r2>)1/2 15.851