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All results from a given calculation for C6H8 (1,4-Cyclohexadiene)

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-233.439835
Energy at 298.15K-233.448440
Nuclear repulsion energy217.455120
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 B3LYPultrafine/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 3173 3055 0.00      
2 Ag 2987 2875 0.00      
3 Ag 1752 1686 0.00      
4 Ag 1473 1418 0.00      
5 Ag 1228 1182 0.00      
6 Ag 858 826 0.00      
7 Ag 542 521 0.00      
8 Au 1212 1167 0.00      
9 Au 998 960 0.00      
10 Au 382 368 0.00      
11 B1g 3150 3032 0.00      
12 B1g 1406 1354 0.00      
13 B1g 1365 1314 0.00      
14 B1g 1044 1005 0.00      
15 B1g 578 556 0.00      
16 B1u 2995 2883 40.59      
17 B1u 990 953 33.54      
18 B1u 632 609 76.71      
19 B1u 117 113 1.61      
20 B2g 2997 2885 0.00      
21 B2g 1015 977 0.00      
22 B2g 963 927 0.00      
23 B2g 401 386 0.00      
24 B2u 3171 3053 82.25      
25 B2u 1704 1641 12.54      
26 B2u 1384 1333 0.01      
27 B2u 1181 1137 0.01      
28 B2u 947 911 0.21      
29 B3g 1219 1173 0.00      
30 B3g 720 693 0.00      
31 B3u 3149 3032 20.90      
32 B3u 2988 2877 97.68      
33 B3u 1476 1421 7.41      
34 B3u 1439 1385 0.10      
35 B3u 970 934 0.47      
36 B3u 892 859 11.87      

Unscaled Zero Point Vibrational Energy (zpe) 26747.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 25750.0 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 B3LYPultrafine/6-31+G**
ABC
0.17138 0.16265 0.08606

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.502 0.000 0.000
C2 -1.502 0.000 0.000
C3 -0.669 1.256 0.000
C4 0.669 1.256 0.000
C5 -0.669 -1.256 0.000
C6 0.669 -1.256 0.000
H7 1.206 -2.203 0.000
H8 -1.206 -2.203 0.000
H9 1.206 2.203 0.000
H10 -1.206 2.203 0.000
H11 2.177 0.000 0.871
H12 -2.177 0.000 0.871
H13 2.177 0.000 -0.871
H14 -2.177 0.000 -0.871

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.00412.50811.50742.50811.50742.22293.49092.22293.49091.10203.78071.10203.7807
C23.00411.50742.50811.50742.50813.49092.22293.49092.22293.78071.10203.78071.1020
C32.50811.50741.33762.51232.84613.93453.50072.10021.08873.23032.14743.23032.1474
C41.50742.50811.33762.84612.51233.50073.93451.08872.10022.14743.23032.14743.2303
C52.50811.50742.51232.84611.33762.10021.08873.93453.50073.23032.14743.23032.1474
C61.50742.50812.84612.51231.33761.08872.10023.50073.93452.14743.23032.14743.2303
H72.22293.49093.93453.50072.10021.08872.41164.40625.02302.56044.12982.56044.1298
H83.49092.22293.50073.93451.08872.10022.41165.02304.40624.12982.56044.12982.5604
H92.22293.49092.10021.08873.93453.50074.40625.02302.41162.56044.12982.56044.1298
H103.49092.22291.08872.10023.50073.93455.02304.40622.41164.12982.56044.12982.5604
H111.10203.78073.23032.14743.23032.14742.56044.12982.56044.12984.35391.74234.6896
H123.78071.10202.14743.23032.14743.23034.12982.56044.12982.56044.35394.68961.7423
H131.10203.78073.23032.14743.23032.14742.56044.12982.56044.12981.74234.68964.3539
H143.78071.10202.14743.23032.14743.23034.12982.56044.12982.56044.68961.74234.3539

picture of 1,4-Cyclohexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 123.558 C1 C4 H9 116.886
C1 C6 C5 123.558 C1 C6 H7 116.886
C2 C3 C4 123.558 C2 C3 H10 116.886
C2 C5 C6 123.558 C2 C5 H8 116.886
C3 C2 C5 112.884 C3 C2 H12 109.788
C3 C2 H14 109.788 C3 C4 H9 119.556
C4 C1 C6 112.884 C4 C1 H11 109.788
C4 C1 H13 109.788 C4 C3 H10 119.556
C5 C2 H12 109.788 C5 C2 H14 109.788
C5 C6 H7 119.556 C6 C1 H11 109.788
C6 C1 H13 109.788 C6 C5 H8 119.556
H11 C1 H13 104.468 H12 C2 H14 104.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 C -0.589      
3 C 0.023      
4 C 0.023      
5 C 0.023      
6 C 0.023      
7 H 0.118      
8 H 0.118      
9 H 0.118      
10 H 0.118      
11 H 0.153      
12 H 0.153      
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 -33.867 0.000 0.000
y 0.000 -36.480 0.000
z 0.000 0.000 -40.035
Traceless
 xyz
x 4.390 0.000 0.000
y 0.000 0.471 0.000
z 0.000 0.000 -4.862
Polar
3z2-r2-9.723
x2-y22.613
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.001 0.000 0.000
y 0.000 9.497 0.000
z 0.000 0.000 7.174


<r2> (average value of r2) Å2
<r2> 145.880
(<r2>)1/2 12.078