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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-233.377324
Energy at 298.15K-233.385831
Nuclear repulsion energy216.998422
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 BLYP/cc-pVTZ
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 3078 3069 0.00      
2 Ag 2899 2890 0.00      
3 Ag 1686 1681 0.00      
4 Ag 1430 1426 0.00      
5 Ag 1201 1198 0.00      
6 Ag 827 824 0.00      
7 Ag 530 529 0.00      
8 Au 1184 1180 0.00      
9 Au 968 965 0.00      
10 Au 376 375 0.00      
11 B1g 3054 3045 0.00      
12 B1g 1358 1354 0.00      
13 B1g 1331 1327 0.00      
14 B1g 1012 1009 0.00      
15 B1g 567 565 0.00      
16 B1u 2894 2885 49.31      
17 B1u 960 957 22.78      
18 B1u 614 612 58.36      
19 B1u 111 110 0.86      
20 B2g 2896 2887 0.00      
21 B2g 987 984 0.00      
22 B2g 942 940 0.00      
23 B2g 401 399 0.00      
24 B2u 3076 3067 86.17      
25 B2u 1641 1636 7.71      
26 B2u 1336 1332 0.05      
27 B2u 1154 1150 0.10      
28 B2u 913 910 0.05      
29 B3g 1189 1186 0.00      
30 B3g 700 698 0.00      
31 B3u 3054 3045 23.62      
32 B3u 2900 2892 102.32      
33 B3u 1436 1432 6.49      
34 B3u 1405 1401 0.00      
35 B3u 952 950 0.33      
36 B3u 858 856 11.93      

Unscaled Zero Point Vibrational Energy (zpe) 25959.0 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 25881.1 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 BLYP/cc-pVTZ
ABC
0.17044 0.16215 0.08568

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.505 0.000 0.000
C2 -1.505 0.000 0.000
C3 -0.669 1.260 0.000
C4 0.669 1.260 0.000
C5 -0.669 -1.260 0.000
C6 0.669 -1.260 0.000
H7 1.209 -2.208 0.000
H8 -1.209 -2.208 0.000
H9 1.209 2.208 0.000
H10 -1.209 2.208 0.000
H11 2.183 0.000 0.872
H12 -2.183 0.000 0.872
H13 2.183 0.000 -0.872
H14 -2.183 0.000 -0.872

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.00902.51211.51192.51211.51192.22723.49822.22723.49821.10473.78921.10473.7892
C23.00901.51192.51211.51192.51213.49822.22723.49822.22723.78921.10473.78921.1047
C32.51211.51191.33762.51992.85293.94343.50932.10361.09093.23742.15413.23742.1541
C41.51192.51211.33762.85292.51993.50933.94341.09092.10362.15413.23742.15413.2374
C52.51211.51192.51992.85291.33762.10361.09093.94343.50933.23742.15413.23742.1541
C61.51192.51212.85292.51991.33761.09092.10363.50933.94342.15413.23742.15413.2374
H72.22723.49823.94343.50932.10361.09092.41854.41515.03412.56544.14012.56544.1401
H83.49822.22723.50933.94341.09092.10362.41855.03414.41514.14012.56544.14012.5654
H92.22723.49822.10361.09093.94343.50934.41515.03412.41852.56544.14012.56544.1401
H103.49822.22721.09092.10363.50933.94345.03414.41512.41854.14012.56544.14012.5654
H111.10473.78923.23742.15413.23742.15412.56544.14012.56544.14014.36611.74344.7013
H123.78921.10472.15413.23742.15413.23744.14012.56544.14012.56544.36614.70131.7434
H131.10473.78923.23742.15413.23742.15412.56544.14012.56544.14011.74344.70134.3661
H143.78921.10472.15413.23742.15413.23744.14012.56544.14012.56544.70131.74344.3661

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 123.556 C1 C4 H9 116.748
C1 C6 C5 123.556 C1 C6 H7 116.748
C2 C3 C4 123.556 C2 C3 H10 116.748
C2 C5 C6 123.556 C2 C5 H8 116.748
C3 C2 C5 112.889 C3 C2 H12 109.848
C3 C2 H14 109.848 C3 C4 H9 119.697
C4 C1 C6 112.889 C4 C1 H11 109.848
C4 C1 H13 109.848 C4 C3 H10 119.697
C5 C2 H12 109.848 C5 C2 H14 109.848
C5 C6 H7 119.697 C6 C1 H11 109.848
C6 C1 H13 109.848 C6 C5 H8 119.697
H11 C1 H13 104.205 H12 C2 H14 104.205
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 C -0.098      
3 C -0.117      
4 C -0.117      
5 C -0.117      
6 C -0.117      
7 H 0.088      
8 H 0.088      
9 H 0.088      
10 H 0.088      
11 H 0.078      
12 H 0.078      
13 H 0.078      
14 H 0.078      


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 -36.608 0.000 0.000
y 0.000 -34.325 0.000
z 0.000 0.000 -39.553
Traceless
 xyz
x 0.331 0.000 0.000
y 0.000 3.755 0.000
z 0.000 0.000 -4.086
Polar
3z2-r2-8.173
x2-y2-2.283
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 146.395
(<r2>)1/2 12.099