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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-232.091887
Energy at 298.15K-232.100382
Nuclear repulsion energy218.800815
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 LSDA/6-31G**
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 3115 3056 0.00      
2 Ag 2922 2868 0.00      
3 Ag 1755 1722 0.00      
4 Ag 1401 1375 0.00      
5 Ag 1184 1161 0.00      
6 Ag 884 867 0.00      
7 Ag 531 521 0.00      
8 Au 1160 1138 0.00      
9 Au 957 939 0.00      
10 Au 375 368 0.00      
11 B1g 3093 3035 0.00      
12 B1g 1386 1360 0.00      
13 B1g 1304 1280 0.00      
14 B1g 1030 1011 0.00      
15 B1g 565 555 0.00      
16 B1u 2937 2882 31.22      
17 B1u 945 927 15.05      
18 B1u 605 593 63.14      
19 B1u 122 120 1.45      
20 B2g 2939 2884 0.00      
21 B2g 973 955 0.00      
22 B2g 929 912 0.00      
23 B2g 399 392 0.00      
24 B2u 3113 3055 53.75      
25 B2u 1708 1676 6.15      
26 B2u 1352 1326 0.83      
27 B2u 1130 1109 0.00      
28 B2u 954 937 0.09      
29 B3g 1166 1144 0.00      
30 B3g 699 686 0.00      
31 B3u 3092 3035 8.41      
32 B3u 2925 2870 71.66      
33 B3u 1405 1379 11.70      
34 B3u 1393 1367 0.16      
35 B3u 944 926 0.10      
36 B3u 910 893 15.03      

Unscaled Zero Point Vibrational Energy (zpe) 26150.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 25661.7 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 LSDA/6-31G**
ABC
0.17487 0.16444 0.08744

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.487 0.000 0.000
C2 -1.487 0.000 0.000
C3 -0.667 1.241 0.000
C4 0.667 1.241 0.000
C5 -0.667 -1.241 0.000
C6 0.667 -1.241 0.000
H7 1.207 -2.196 0.000
H8 -1.207 -2.196 0.000
H9 1.207 2.196 0.000
H10 -1.207 2.196 0.000
H11 2.177 0.000 0.872
H12 -2.177 0.000 0.872
H13 2.177 0.000 -0.872
H14 -2.177 0.000 -0.872

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C12.97492.48641.48722.48641.48722.21433.47612.21433.47611.11173.76671.11173.7667
C22.97491.48722.48641.48722.48643.47612.21433.47612.21433.76671.11173.76671.1117
C32.48641.48721.33472.48132.81753.91483.47922.10371.09753.22332.13983.22332.1398
C41.48722.48641.33472.81752.48133.47923.91481.09752.10372.13983.22332.13983.2233
C52.48641.48722.48132.81751.33472.10371.09753.91483.47923.22332.13983.22332.1398
C61.48722.48642.81752.48131.33471.09752.10373.47923.91482.13983.22332.13983.2233
H72.21433.47613.91483.47922.10371.09752.41344.39295.01222.55474.12722.55474.1272
H83.47612.21433.47923.91481.09752.10372.41345.01224.39294.12722.55474.12722.5547
H92.21433.47612.10371.09753.91483.47924.39295.01222.41342.55474.12722.55474.1272
H103.47612.21431.09752.10373.47923.91485.01224.39292.41344.12722.55474.12722.5547
H111.11173.76673.22332.13983.22332.13982.55474.12722.55474.12724.35381.74434.6902
H123.76671.11172.13983.22332.13983.22334.12722.55474.12722.55474.35384.69021.7443
H131.11173.76673.22332.13983.22332.13982.55474.12722.55474.12721.74434.69024.3538
H143.76671.11172.13983.22332.13983.22334.12722.55474.12722.55474.69021.74434.3538

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 123.466 C1 C4 H9 117.097
C1 C6 C5 123.466 C1 C6 H7 117.097
C2 C3 C4 123.466 C2 C3 H10 117.097
C2 C5 C6 123.466 C2 C5 H8 117.097
C3 C2 C5 113.068 C3 C2 H12 109.997
C3 C2 H14 109.997 C3 C4 H9 119.437
C4 C1 C6 113.068 C4 C1 H11 109.997
C4 C1 H13 109.997 C4 C3 H10 119.437
C5 C2 H12 109.997 C5 C2 H14 109.997
C5 C6 H7 119.437 C6 C1 H11 109.997
C6 C1 H13 109.997 C6 C5 H8 119.437
H11 C1 H13 103.347 H12 C2 H14 103.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C -0.334      
3 C -0.088      
4 C -0.088      
5 C -0.088      
6 C -0.088      
7 H 0.105      
8 H 0.105      
9 H 0.105      
10 H 0.105      
11 H 0.150      
12 H 0.150      
13 H 0.150      
14 H 0.150      


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 -32.709 0.000 0.000
y 0.000 -35.012 0.000
z 0.000 0.000 -38.566
Traceless
 xyz
x 4.080 0.000 0.000
y 0.000 0.626 0.000
z 0.000 0.000 -4.705
Polar
3z2-r2-9.411
x2-y22.303
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.197 0.000 0.000
y 0.000 8.941 0.000
z 0.000 0.000 5.170


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000