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: HF/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 HF/6-31G
 hartrees
Energy at 0K-232.908871
Energy at 298.15K-232.918737
Nuclear repulsion energy211.713093
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 HF/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' 3344 3019 60.77      
2 A' 3333 3009 28.32      
3 A' 3310 2989 24.35      
4 A' 3304 2983 6.64      
5 A' 3282 2964 10.90      
6 A' 3258 2942 18.99      
7 A' 3179 2870 44.72      
8 A' 3174 2866 61.59      
9 A' 1913 1727 1.92      
10 A' 1844 1665 3.38      
11 A' 1652 1492 9.70      
12 A' 1650 1490 11.70      
13 A' 1595 1440 7.87      
14 A' 1586 1432 3.30      
15 A' 1582 1429 4.62      
16 A' 1484 1340 1.57      
17 A' 1462 1320 1.49      
18 A' 1417 1280 0.81      
19 A' 1292 1167 0.35      
20 A' 1206 1089 0.97      
21 A' 1144 1033 1.41      
22 A' 1030 930 15.89      
23 A' 992 896 6.53      
24 A' 661 597 6.04      
25 A' 507 457 0.30      
26 A' 351 317 1.74      
27 A' 166 150 0.53      
28 A" 3225 2911 63.92      
29 A" 3224 2911 9.32      
30 A" 1644 1484 9.48      
31 A" 1639 1480 7.70      
32 A" 1211 1094 0.25      
33 A" 1206 1089 0.96      
34 A" 1158 1045 16.32      
35 A" 1116 1007 36.44      
36 A" 974 879 14.67      
37 A" 820 740 28.86      
38 A" 494 446 4.99      
39 A" 221 200 1.49      
40 A" 210 189 0.12      
41 A" 113 102 0.06      
42 A" 101 91 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 33536.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 30279.6 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 HF/6-31G
ABC
0.37515 0.04889 0.04395

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.264 2.968 0.000
H2 1.331 2.778 0.000
H3 0.032 3.571 0.873
H4 0.032 3.571 -0.873
C5 1.060 -2.492 0.000
H6 1.780 -1.685 0.000
H7 1.256 -3.109 -0.873
H8 1.256 -3.109 0.873
C9 -0.363 -2.012 0.000
H10 -1.101 -2.796 0.000
C11 -0.803 -0.755 0.000
H12 -1.869 -0.600 0.000
C13 0.000 0.469 0.000
H14 1.071 0.365 0.000
C15 -0.523 1.691 0.000
H16 -1.596 1.800 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 H12 C13 H14 C15 H16
C11.08351.08631.08635.51774.89416.21866.21865.01965.92373.87354.15692.51352.72561.50012.1962
H21.08351.75471.75475.27704.48605.95165.95165.08096.08174.12804.65292.66562.42762.14903.0858
H31.08631.75471.74586.21165.60827.01206.79125.66516.52624.49234.66623.22353.48222.14592.5588
H41.08631.75471.74586.21165.60826.79127.01205.66516.52624.49234.66623.22353.48222.14592.5588
C55.51775.27706.21166.21161.08091.08631.08631.50212.18282.54723.48753.14462.85644.47285.0478
H64.89414.48605.60825.60821.08091.75001.75002.16783.08782.74543.80722.79412.16914.08724.8526
H76.21865.95167.01206.79121.08631.75001.74542.14102.53243.24624.10123.89023.58595.19275.7439
H86.21865.95166.79127.01201.08631.75001.74542.14102.53243.24624.10123.89023.58595.19275.7439
C95.01965.08095.66515.66511.50212.16782.14102.14101.07671.33152.06472.50712.77553.70684.0070
H105.92376.08176.52626.52622.18283.08782.53242.53241.07672.06232.32693.44543.83484.52444.6232
C113.87354.12804.49234.49232.54722.74543.24623.24621.33152.06231.07731.46402.18292.46262.6760
H124.15694.65294.66624.66623.48753.80724.10124.10122.06472.32691.07732.15293.09382.65712.4156
C132.51352.66563.22353.22353.14462.79413.89023.89022.50713.44541.46402.15291.07561.32992.0788
H142.72562.42763.48223.48222.85642.16913.58593.58592.77553.83482.18293.09381.07562.07363.0286
C151.50012.14902.14592.14594.47284.08725.19275.19273.70684.52442.46262.65711.32992.07361.0784
H162.19623.08582.55882.55885.04784.85265.74395.74394.00704.62322.67602.41562.07883.02861.0784

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 125.183 C1 C15 H16 115.841
H2 C1 H3 107.941 H2 C1 H4 107.941
H2 C1 C15 111.556 H3 C1 H4 106.948
H3 C1 C15 111.130 H4 C1 C15 111.130
C5 C9 H10 114.641 C5 C9 C11 127.928
H6 C5 H7 107.700 H6 C5 H8 107.700
H6 C5 C9 113.112 H7 C5 H8 106.906
H7 C5 C9 110.584 H8 C5 C9 110.584
C9 C11 H12 117.615 C9 C11 C13 127.423
H10 C9 C11 117.430 C11 C13 H14 117.726
C11 C13 C15 123.562 H12 C11 C13 114.962
C13 C15 H16 118.976 H14 C13 C15 118.712
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.497 -0.043    
2 H 0.163 0.026    
3 H 0.165 0.033    
4 H 0.165 0.033    
5 C -0.492 0.239    
6 H 0.162 -0.046    
7 H 0.166 -0.035    
8 H 0.166 -0.035    
9 C -0.178 -0.231    
10 H 0.165 0.109    
11 C -0.175 -0.138    
12 H 0.173 0.105    
13 C -0.158 -0.146    
14 H 0.176 0.163    
15 C -0.171 -0.169    
16 H 0.168 0.135    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.179 0.135 0.000 0.224
CHELPG 0.168 0.169 0.000 0.238
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.664 -0.616 0.000
y -0.616 -35.012 0.000
z 0.000 0.000 -41.793
Traceless
 xyz
x 1.739 -0.616 0.000
y -0.616 4.217 0.000
z 0.000 0.000 -5.956
Polar
3z2-r2-11.912
x2-y2-1.652
xy-0.616
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.270 -1.807 0.000
y -1.807 16.588 0.000
z 0.000 0.000 5.000


<r2> (average value of r2) Å2
<r2> 259.889
(<r2>)1/2 16.121