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/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-234.510812
Energy at 298.15K-234.520077
Nuclear repulsion energy211.000707
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/6-31+G**
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' 3089 3072 77.56      
2 A' 3081 3064 0.00      
3 A' 3062 3046 0.00      
4 A' 3060 3044 37.05      
5 A' 3045 3029 7.90      
6 A' 3040 3024 0.00      
7 A' 2945 2929 0.10      
8 A' 2945 2929 84.03      
9 A' 1640 1632 0.00      
10 A' 1600 1592 16.56      
11 A' 1458 1450 0.00      
12 A' 1453 1445 26.63      
13 A' 1431 1423 0.00      
14 A' 1386 1378 7.75      
15 A' 1375 1368 0.00      
16 A' 1343 1336 9.57      
17 A' 1272 1265 0.00      
18 A' 1241 1234 0.70      
19 A' 1140 1134 0.00      
20 A' 1055 1049 0.65      
21 A' 985 979 0.00      
22 A' 898 893 43.21      
23 A' 884 879 0.00      
24 A' 623 620 0.00      
25 A' 512 510 15.04      
26 A' 262 261 0.00      
27 A' 177 176 0.13      
28 A" 2980 2964 25.85      
29 A" 2980 2964 17.00      
30 A" 1448 1440 0.00      
31 A" 1448 1440 13.79      
32 A" 1023 1018 0.00      
33 A" 1023 1018 2.80      
34 A" 979 973 0.84      
35 A" 943 938 0.00      
36 A" 780 776 0.00      
37 A" 683 680 67.62      
38 A" 452 450 0.00      
39 A" 309 307 0.06      
40 A" 122 122 0.00      
41 A" 115 114 0.76      
42 A" 68 68 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 30175.9 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 30015.9 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/6-31+G**
ABC
0.38589 0.05072 0.04559

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.905 2.629 0.000
C2 -1.091 1.547 0.000
H3 0.979 1.221 0.000
C4 0.000 0.731 0.000
H5 -0.979 -1.221 0.000
C6 -0.000 -0.731 0.000
H7 0.905 -2.629 0.000
C8 1.091 -1.547 0.000
H9 2.705 -0.063 0.000
H10 3.067 -1.566 0.884
H11 3.067 -1.566 -0.884
C12 2.550 -1.151 0.000
H13 -2.705 0.063 0.000
H14 -3.067 1.566 0.884
H15 -3.067 1.566 -0.884
C16 -2.550 1.151 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 C8 H9 H10 H11 C12 H13 H14 H15 C16
H11.09722.35192.10273.85073.47915.56014.62834.50265.84455.84455.12083.13402.56642.56642.2107
C21.09722.09581.36262.77092.52574.62843.78634.12285.26945.26944.53162.19262.16542.16541.5116
H32.35192.09581.09553.13122.18403.85072.77092.15063.59333.59332.84523.86194.15664.15663.5298
C42.10271.36261.09552.18401.46133.47912.52572.81863.93273.93273.16902.78583.29983.29982.5841
H53.85072.77093.13122.18401.09552.35192.09583.86194.15664.15663.52982.15063.59333.59332.8452
C63.47912.52572.18401.46131.09552.10271.36262.78583.29983.29982.58412.81863.93273.93273.1690
H75.56014.62843.85073.47912.35192.10271.09723.13392.56642.56642.21074.50265.84455.84455.1208
C84.62833.78632.77092.52572.09581.36261.09722.19262.16542.16541.51164.12285.26945.26944.5316
H94.50264.12282.15062.81863.86192.78583.13392.19261.78161.78161.09955.41066.06236.06235.3927
H105.84455.26943.59333.93274.15663.29982.56642.16541.78161.76881.10566.06236.88817.11166.3022
H115.84455.26943.59333.93274.15663.29982.56642.16541.78161.76881.10566.06237.11166.88816.3022
C125.12084.53162.84523.16903.52982.58412.21071.51161.09951.10561.10565.39276.30226.30225.5951
H133.13402.19263.86192.78582.15062.81864.50264.12285.41066.06236.06235.39271.78151.78151.0995
H142.56642.16544.15663.29983.59333.93275.84455.26946.06236.88817.11166.30221.78151.76881.1056
H152.56642.16544.15663.29983.59333.93275.84455.26946.06237.11166.88816.30221.78151.76881.1056
C162.21071.51163.52982.58412.84523.16905.12084.53165.39276.30226.30225.59511.09951.10561.1056

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 117.069 H1 C2 C16 114.935
C2 C4 H3 116.571 C2 C4 C6 126.820
C2 C16 H13 113.285 C2 C16 H14 110.708
C2 C16 H15 110.708 H3 C4 C6 116.609
C4 C2 C16 127.996 C4 C6 H5 116.609
C4 C6 C8 126.820 H5 C6 C8 116.571
C6 C8 H7 117.069 C6 C8 C12 127.997
H7 C8 C12 114.935 C8 C12 H9 113.285
C8 C12 H10 110.707 C8 C12 H11 110.707
H9 C12 H10 107.791 H9 C12 H11 107.791
H10 C12 H11 106.252 H13 C16 H14 107.790
H13 C16 H15 107.790 H14 C16 H15 106.252
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.111      
2 C -0.033      
3 H 0.091      
4 C 0.050      
5 H 0.091      
6 C 0.050      
7 H 0.111      
8 C -0.033      
9 H 0.142      
10 H 0.157      
11 H 0.157      
12 C -0.675      
13 H 0.142      
14 H 0.157      
15 H 0.157      
16 C -0.675      


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 -35.692 -1.257 0.000
y -1.257 -37.208 0.000
z 0.000 0.000 -42.331
Traceless
 xyz
x 4.078 -1.257 0.000
y -1.257 1.804 0.000
z 0.000 0.000 -5.881
Polar
3z2-r2-11.763
x2-y21.516
xy-1.257
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> 252.893
(<r2>)1/2 15.903