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 C6H8 ((E)-hexa-1,3,5-triene)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1Ag
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-233.141978
Energy at 298.15K-233.149100
HF Energy-233.141978
Nuclear repulsion energy193.941454
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/6-31+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 Ag 3273 3125 0.00      
2 Ag 3179 3036 0.00      
3 Ag 3173 3030 0.00      
4 Ag 3167 3024 0.00      
5 Ag 1718 1640 0.00      
6 Ag 1654 1579 0.00      
7 Ag 1437 1372 0.00      
8 Ag 1329 1268 0.00      
9 Ag 1315 1256 0.00      
10 Ag 1229 1174 0.00      
11 Ag 949 906 0.00      
12 Ag 447 427 0.00      
13 Ag 349 334 0.00      
14 Au 1054 1006 78.64      
15 Au 964 921 18.23      
16 Au 928 886 89.55      
17 Au 709 677 16.74      
18 Au 255 244 1.68      
19 Au 100 96 0.70      
20 Bg 1022 976 0.00      
21 Bg 934 892 0.00      
22 Bg 900 860 0.00      
23 Bg 615 587 0.00      
24 Bg 224 213 0.00      
25 Bu 3273 3125 20.37      
26 Bu 3181 3037 29.78      
27 Bu 3177 3033 28.14      
28 Bu 3166 3023 1.03      
29 Bu 1708 1631 36.23      
30 Bu 1469 1403 4.42      
31 Bu 1327 1267 4.22      
32 Bu 1279 1221 2.17      
33 Bu 1172 1119 6.14      
34 Bu 984 939 4.42      
35 Bu 541 516 6.16      
36 Bu 147 140 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 26172.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 24989.9 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 HSEh1PBE/6-31+G**
ABC
0.88815 0.04461 0.04248

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.184 0.638 0.000
C2 0.184 -0.638 0.000
C3 0.184 1.790 0.000
C4 -0.184 -1.790 0.000
C5 0.414 2.957 0.000
C6 -0.414 -2.957 0.000
H7 1.175 -0.869 0.000
H8 -1.175 0.869 0.000
H9 1.711 1.386 0.000
H10 -1.711 -1.386 0.000
H11 1.122 3.672 0.000
H12 -1.122 -3.672 0.000
H13 0.568 -3.235 0.000
H14 -0.568 3.235 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32801.20962.42812.39443.60182.02961.01762.03772.53553.30384.41133.94552.6255
C21.32802.42811.20963.60182.39441.01762.02962.53552.03774.41133.30382.62553.9455
C31.20962.42813.59911.18884.78422.83811.64171.57983.69872.10315.61665.04001.6290
C42.42811.20963.59914.78421.18881.64172.83813.69871.57985.61662.10311.62905.0400
C52.39443.60181.18884.78425.97073.90092.62312.03724.83461.00726.80466.19381.0201
C63.60182.39444.78421.18885.97072.62313.90094.83462.03726.80461.00721.02016.1938
H72.02961.01762.83811.64173.90092.62312.92352.31822.93234.54213.62422.44274.4593
H81.01762.02961.64172.83812.62313.90092.92352.93232.31823.62424.54214.45932.4427
H92.03772.53551.57983.69872.03724.83462.31822.93234.40442.36125.79804.76082.9348
H102.53552.03773.69871.57984.83462.03722.93232.31824.40445.79802.36122.93484.7608
H113.30384.41132.10315.61661.00726.80464.54213.62422.36125.79807.68026.93001.7453
H124.41133.30385.61662.10316.80461.00723.62424.54215.79802.36127.68021.74536.9300
H133.94552.62555.04001.62906.19381.02012.44274.45934.76082.93486.93001.74536.5694
H142.62553.94551.62905.04001.02016.19384.45932.44272.93484.76081.74536.93006.5694

picture of (E)-hexa-1,3,5-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 146.177 C1 C2 H7 119.242
C1 C3 C5 173.413 C1 C3 H9 92.903
C2 C1 C3 146.177 C2 C1 H8 119.242
C2 C4 C6 173.413 C2 C4 H10 92.903
C3 C1 H8 94.581 C3 C5 H11 146.441
C3 C5 H14 94.722 C4 C2 H7 94.581
C4 C6 H12 146.441 C4 C6 H13 94.722
C5 C3 H9 93.684 C6 C4 H10 93.684
H11 C5 H14 118.837 H12 C6 H13 118.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 C -0.174      
3 C -0.047      
4 C -0.047      
5 C -0.388      
6 C -0.388      
7 H 0.146      
8 H 0.146      
9 H 0.150      
10 H 0.150      
11 H 0.159      
12 H 0.159      
13 H 0.153      
14 H 0.153      


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 -33.562 -0.471 0.000
y -0.471 -34.174 0.000
z 0.000 0.000 -42.789
Traceless
 xyz
x 4.920 -0.471 0.000
y -0.471 4.001 0.000
z 0.000 0.000 -8.921
Polar
3z2-r2-17.843
x2-y20.613
xy-0.471
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.655 5.002 0.000
y 5.002 23.681 0.000
z 0.000 0.000 6.652


<r2> (average value of r2) Å2
<r2> 256.723
(<r2>)1/2 16.023