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,E)-)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-234.385200
Energy at 298.15K-234.394502
HF Energy-234.385200
Nuclear repulsion energy207.695837
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 PBEPBE/Def2TZVPP
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 3057 3020 0.00      
2 Ag 3042 3005 0.00      
3 Ag 3035 2998 0.00      
4 Ag 2947 2912 0.00      
5 Ag 1666 1646 0.00      
6 Ag 1441 1423 0.00      
7 Ag 1360 1343 0.00      
8 Ag 1309 1293 0.00      
9 Ag 1280 1264 0.00      
10 Ag 1169 1155 0.00      
11 Ag 1096 1083 0.00      
12 Ag 906 895 0.00      
13 Ag 427 421 0.00      
14 Ag 325 321 0.00      
15 Au 2992 2955 32.28      
16 Au 1423 1405 13.44      
17 Au 1019 1007 0.00      
18 Au 994 982 63.46      
19 Au 748 739 4.92      
20 Au 253 250 1.11      
21 Au 168 166 0.03      
22 Au 105 104 2.30      
23 Bg 2991 2955 0.00      
24 Bg 1423 1406 0.00      
25 Bg 1021 1009 0.00      
26 Bg 932 921 0.00      
27 Bg 838 827 0.00      
28 Bg 332 328 0.00      
29 Bg 196 193 0.00      
30 Bu 3060 3023 96.31      
31 Bu 3048 3011 3.13      
32 Bu 3034 2998 11.12      
33 Bu 2947 2911 83.48      
34 Bu 1639 1619 7.91      
35 Bu 1434 1417 28.28      
36 Bu 1356 1340 5.06      
37 Bu 1287 1272 2.81      
38 Bu 1220 1205 2.83      
39 Bu 1065 1052 0.16      
40 Bu 916 905 43.24      
41 Bu 528 522 0.03      
42 Bu 136 134 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 30081.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 29717.5 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 PBEPBE/Def2TZVPP
ABC
0.77160 0.04014 0.03870

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.323 -3.174 0.000
C2 0.323 3.174 0.000
C3 0.323 0.650 0.000
C4 -0.323 -0.650 0.000
C5 -0.332 1.828 0.000
C6 0.332 -1.828 0.000
H7 -1.418 -3.088 0.000
H8 1.418 3.088 0.000
H9 -0.026 -3.764 0.882
H10 -0.026 -3.764 -0.882
H11 0.026 3.764 0.882
H12 0.026 3.764 -0.882
H13 1.419 0.652 0.000
H14 -1.419 -0.652 0.000
H15 -1.427 1.816 0.000
H16 1.427 -1.816 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.38103.87782.52465.00241.49651.09856.49921.10181.10187.00257.00254.20392.74985.11052.2152
C26.38102.52463.87781.49655.00246.49921.09857.00257.00251.10181.10182.74984.20392.21525.1105
C33.87782.52461.45051.34792.47784.12262.67284.51414.51413.25033.25031.09612.17402.10262.7013
C42.52463.87781.45052.47781.34792.67284.12263.25033.25034.51414.51412.17401.09612.70132.1026
C55.00241.49651.34792.47783.71605.03452.15555.66945.66942.15692.15692.10852.70821.09574.0459
C61.49655.00242.47781.34793.71602.15555.03452.15692.15695.66945.66942.70822.10854.04591.0957
H71.09856.49924.12262.67285.03452.15556.79531.78121.78127.05737.05734.69382.43564.90333.1163
H86.49921.09852.67284.12262.15555.03456.79537.05737.05731.78121.78122.43564.69383.11634.9033
H91.10187.00254.51413.25035.66942.15691.78127.05731.76427.52787.73174.72923.52145.81992.5854
H101.10187.00254.51413.25035.66942.15691.78127.05731.76427.73177.52784.72923.52145.81992.5854
H117.00251.10183.25034.51412.15695.66947.05731.78127.52787.73171.76423.52144.72922.58545.8199
H127.00251.10183.25034.51412.15695.66947.05731.78127.73177.52781.76423.52144.72922.58545.8199
H134.20392.74981.09612.17402.10852.70824.69382.43564.72924.72923.52143.52143.12283.07442.4678
H142.74984.20392.17401.09612.70822.10852.43564.69383.52143.52144.72924.72923.12282.46783.0744
H155.11052.21522.10262.70131.09574.04594.90333.11635.81995.81992.58542.58543.07442.46784.6186
H162.21525.11052.70132.10264.04591.09573.11634.90332.58542.58545.81995.81992.46783.07444.6186

picture of 2,4-Hexadiene, (E,E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 C4 125.054 C1 C6 H16 116.578
C2 C5 C3 125.054 C2 C5 H15 116.578
C3 C4 C6 124.564 C3 C4 H14 116.545
C3 C5 H15 118.368 C4 C3 C5 124.564
C4 C3 H13 116.545 C4 C6 H16 118.368
C5 C2 H8 111.406 C5 C2 H11 111.320
C5 C2 H12 111.320 C5 C3 H13 118.890
C6 C1 H7 111.406 C6 C1 H9 111.320
C6 C1 H10 111.320 C6 C4 H14 118.890
H7 C1 H9 108.102 H7 C1 H10 108.102
H8 C2 H11 108.102 H8 C2 H12 108.102
H9 C1 H10 106.380 H11 C2 H12 106.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C -0.204      
3 C -0.077      
4 C -0.077      
5 C -0.081      
6 C -0.081      
7 H 0.075      
8 H 0.075      
9 H 0.087      
10 H 0.087      
11 H 0.087      
12 H 0.087      
13 H 0.051      
14 H 0.051      
15 H 0.062      
16 H 0.062      


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 -36.795 -0.353 0.000
y -0.353 -34.650 0.000
z 0.000 0.000 -41.467
Traceless
 xyz
x 1.264 -0.353 0.000
y -0.353 4.481 0.000
z 0.000 0.000 -5.745
Polar
3z2-r2-11.490
x2-y2-2.145
xy-0.353
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.081 -0.775 0.000
y -0.775 21.180 0.000
z 0.000 0.000 7.776


<r2> (average value of r2) Å2
<r2> 291.703
(<r2>)1/2 17.079