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All results from a given calculation for C6H8 ((Z)-hexa-2,3,4-triene)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-233.326274
Energy at 298.15K-233.332652
Nuclear repulsion energy190.941313
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 mPW1PW91/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3171 3027 24.13      
2 A1 3151 3008 3.98      
3 A1 3047 2909 11.42      
4 A1 2241 2139 1.14      
5 A1 1496 1428 6.08      
6 A1 1404 1340 3.89      
7 A1 1389 1326 0.22      
8 A1 1136 1084 1.60      
9 A1 1079 1030 1.51      
10 A1 772 737 0.30      
11 A1 474 453 6.14      
12 A1 98 93 1.22      
13 A2 3106 2966 0.00      
14 A2 1480 1413 0.00      
15 A2 1049 1002 0.00      
16 A2 864 825 0.00      
17 A2 568 542 0.00      
18 A2 235 224 0.00      
19 A2 158 151 0.00      
20 B1 3106 2966 30.14      
21 B1 1481 1414 11.19      
22 B1 1047 1000 0.52      
23 B1 714 682 35.36      
24 B1 245 234 1.61      
25 B1 135 129 2.49      
26 B2 3171 3027 8.45      
27 B2 3151 3008 0.10      
28 B2 3047 2909 59.12      
29 B2 1748 1669 3.23      
30 B2 1482 1415 13.18      
31 B2 1399 1336 10.42      
32 B2 1285 1227 22.00      
33 B2 1105 1055 0.41      
34 B2 947 904 43.22      
35 B2 564 539 3.51      
36 B2 217 208 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 25880.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 24708.3 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 mPW1PW91/6-31G(2df,p)
ABC
0.42491 0.04656 0.04262

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 2.195 1.633
H2 0.879 3.455 0.745
H3 -0.879 3.455 0.745
H4 0.000 -2.195 1.633
H5 0.879 -3.455 0.745
H6 -0.879 -3.455 0.745
C7 0.000 2.801 0.727
C8 0.000 -2.801 0.727
H9 0.000 2.465 -1.460
H10 0.000 -2.465 -1.460
C11 0.000 -0.632 -0.502
C12 0.000 0.632 -0.502
C13 0.000 1.946 -0.502
C14 0.000 -1.946 -0.502

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 H10 C11 C12 C13 C14
H11.77451.77454.39015.78685.78681.09035.07793.10445.59273.54312.64622.14954.6593
H21.77451.75775.78686.91067.13071.09566.31822.57206.37824.36313.20922.14605.6129
H31.77451.75775.78687.13076.91061.09566.31822.57206.37824.36313.20922.14605.6129
H44.39015.78685.78681.77451.77455.07791.09035.59273.10442.64623.54314.65932.1495
H55.78686.91067.13071.77451.75776.31821.09566.37822.57203.20924.36315.61292.1460
H65.78687.13076.91061.77451.75776.31821.09566.37822.57203.20924.36315.61292.1460
C71.09031.09561.09565.07796.31826.31825.60282.21235.70213.64702.49331.49724.9041
C85.07796.31826.31821.09031.09561.09565.60285.70212.21232.49333.64704.90411.4972
H93.10442.57202.57205.59276.37826.37822.21235.70214.92963.24152.06751.08904.5138
H105.59276.37826.37823.10442.57202.57205.70212.21234.92962.06753.24154.51381.0890
C113.54314.36314.36312.64623.20923.20923.64702.49333.24152.06751.26442.57841.3140
C122.64623.20923.20923.54314.36314.36312.49333.64702.06753.24151.26441.31402.5784
C132.14952.14602.14604.65935.61295.61291.49724.90411.08904.51382.57841.31403.8925
C144.65935.61295.61292.14952.14602.14604.90411.49724.51381.08901.31402.57843.8925

picture of (Z)-hexa-2,3,4-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C7 H2 108.542 H1 C7 H3 108.542
H1 C7 C13 111.379 H2 C7 H3 106.675
H2 C7 C13 110.774 H3 C7 C13 110.774
H4 C8 H5 108.542 H4 C8 H6 108.542
H4 C8 C14 111.379 H5 C8 H6 106.675
H5 C8 C14 110.774 H6 C8 C14 110.774
C7 C13 H9 116.733 C7 C13 C12 124.846
C8 C14 H10 116.733 C8 C14 C11 124.846
H9 C13 C12 118.421 H10 C14 C11 118.421
C11 C12 C13 179.985 C12 C11 C14 179.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.157      
2 H 0.157      
3 H 0.157      
4 H 0.157      
5 H 0.157      
6 H 0.157      
7 C -0.478      
8 C -0.478      
9 H 0.145      
10 H 0.145      
11 C 0.122      
12 C 0.122      
13 C -0.260      
14 C -0.260      


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 0.389 0.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.021 0.000 0.000
y 0.000 -28.570 0.000
z 0.000 0.000 -35.537
Traceless
 xyz
x -5.967 0.000 0.000
y 0.000 8.209 0.000
z 0.000 0.000 -2.241
Polar
3z2-r2-4.483
x2-y2-9.451
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.759 0.000 0.000
y 0.000 21.277 0.000
z 0.000 0.000 7.474


<r2> (average value of r2) Å2
<r2> 262.530
(<r2>)1/2 16.203