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 (1,5-Hexadiene)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1Ag
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-234.345276
Energy at 298.15K-234.355011
HF Energy-234.345276
Nuclear repulsion energy212.481246
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3262 3113 7.45      
2 A 3173 3028 0.28      
3 A 3158 3014 37.64      
4 A 3115 2973 22.17      
5 A 3037 2898 8.29      
6 A 1746 1667 4.98      
7 A 1488 1420 3.02      
8 A 1457 1390 2.28      
9 A 1374 1312 0.34      
10 A 1326 1265 1.41      
11 A 1248 1191 0.14      
12 A 1099 1049 0.02      
13 A 1055 1007 1.56      
14 A 1038 990 8.35      
15 A 957 913 1.50      
16 A 944 901 17.41      
17 A 786 751 0.48      
18 A 640 610 7.35      
19 A 416 397 0.00      
20 A 350 334 0.11      
21 A 99 95 0.03      
22 A 74 71 0.02      
23 B 3262 3113 26.11      
24 B 3172 3027 8.59      
25 B 3158 3013 13.94      
26 B 3098 2956 5.75      
27 B 3042 2903 39.62      
28 B 1750 1670 16.02      
29 B 1500 1432 7.62      
30 B 1458 1392 0.09      
31 B 1333 1272 0.86      
32 B 1315 1255 0.09      
33 B 1270 1212 2.64      
34 B 1187 1133 2.68      
35 B 1041 993 18.87      
36 B 969 925 4.45      
37 B 946 903 52.44      
38 B 942 899 12.15      
39 B 666 636 17.81      
40 B 438 418 1.87      
41 B 217 207 0.20      
42 B 115 110 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 31358.6 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 29925.5 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 HSEh1PBE/6-31G**
ABC
0.42977 0.04656 0.04532

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.421 0.643 -0.295
C2 0.421 -0.643 -0.295
C3 0.421 1.880 -0.336
C4 -0.421 -1.880 -0.336
C5 0.430 2.831 0.595
C6 -0.430 -2.831 0.595
H7 -1.087 0.625 -1.170
H8 -1.067 0.657 0.590
H9 1.087 -0.625 -1.170
H10 1.067 -0.657 0.590
H11 1.079 1.980 -1.200
H12 -1.079 -1.980 -1.200
H13 1.068 3.705 0.514
H14 -0.208 2.768 1.474
H15 -1.068 -3.705 0.514
H16 0.208 -2.768 1.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.53761.49652.52372.51003.58621.09991.09612.15592.16562.20362.85203.49942.77324.47023.8942
C21.53762.52371.49653.58622.51002.15592.16561.09991.09612.85202.20364.47023.89423.49942.7732
C31.49652.52373.85311.33064.87652.13222.13702.72262.77731.09144.23022.11472.11205.84234.9928
C42.52371.49653.85314.87651.33062.72262.77732.13222.13704.23021.09145.84234.99282.11472.1120
C52.51003.58621.33064.87655.72603.20682.63893.93523.54572.09075.35171.08581.08766.70565.6718
C63.58622.51004.87651.33065.72603.93523.54573.20682.63895.35172.09076.70565.67181.08581.0876
H71.09992.15592.13222.72263.20683.93521.76052.50783.06322.55542.60444.11963.51574.64564.4922
H81.09612.16562.13702.77732.63893.54571.76053.06322.50683.09233.18773.72212.44464.36313.7607
H92.15591.09992.72262.13223.93523.20682.50783.06321.76052.60442.55544.64564.49224.11963.5157
H102.16561.09612.77732.13703.54572.63893.06322.50681.76053.18773.09234.36313.76073.72212.4446
H112.20362.85201.09144.23022.09075.35172.55543.09232.60443.18774.50932.43263.07136.31415.5188
H122.85202.20364.23021.09145.35172.09072.60443.18772.55543.09234.50936.31415.51882.43263.0713
H133.49944.47022.11475.84231.08586.70564.11963.72214.64564.36312.43266.31411.85147.71206.6005
H142.77323.89422.11204.99281.08765.67183.51572.44464.49223.76073.07135.51881.85146.60055.5522
H154.47023.49945.84232.11476.70561.08584.64564.36314.11963.72216.31412.43267.71206.60051.8514
H163.89422.77324.99282.11205.67181.08764.49223.76073.51572.44465.51883.07136.60055.55221.8514

picture of 1,5-Hexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.554 C1 C2 H9 108.504
C1 C2 H10 109.483 C1 C3 C5 125.100
C1 C3 H11 115.870 C2 C1 C3 112.554
C2 C1 H7 108.504 C2 C1 H8 109.483
C2 C4 C6 125.100 C2 C4 H12 115.870
C3 C1 H7 109.461 C3 C1 H8 110.069
C3 C5 H13 121.803 C3 C5 H14 121.374
C4 C2 H9 109.461 C4 C2 H10 110.069
C4 C6 H15 121.803 C4 C6 H16 121.374
C5 C3 H11 119.025 C6 C4 H12 119.025
H7 C1 H8 106.580 H9 C2 H10 106.580
H13 C5 H14 116.822 H15 C6 H16 116.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C -0.277      
3 C -0.055      
4 C -0.055      
5 C -0.295      
6 C -0.295      
7 H 0.134      
8 H 0.135      
9 H 0.134      
10 H 0.135      
11 H 0.114      
12 H 0.114      
13 H 0.124      
14 H 0.119      
15 H 0.124      
16 H 0.119      


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 -0.251 0.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.536 1.545 0.000
y 1.545 -38.730 0.000
z 0.000 0.000 -36.569
Traceless
 xyz
x -0.886 1.545 0.000
y 1.545 -1.178 0.000
z 0.000 0.000 2.064
Polar
3z2-r24.128
x2-y20.194
xy1.545
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.901 1.664 0.000
y 1.664 12.549 0.000
z 0.000 0.000 8.861


<r2> (average value of r2) Å2
<r2> 253.137
(<r2>)1/2 15.910