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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-233.259324
Energy at 298.15K-233.267790
HF Energy-233.259324
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3117 3056 0.00      
2 Ag 2924 2867 0.00      
3 Ag 1730 1696 0.00      
4 Ag 1466 1437 0.00      
5 Ag 1215 1191 0.00      
6 Ag 849 832 0.00      
7 Ag 534 523 0.00      
8 Au 1198 1175 0.00      
9 Au 961 942 0.00      
10 Au 368 360 0.00      
11 B1g 3091 3031 0.00      
12 B1g 1385 1358 0.00      
13 B1g 1348 1322 0.00      
14 B1g 1036 1015 0.00      
15 B1g 569 558 0.00      
16 B1u 2933 2876 72.24      
17 B1u 974 955 16.48      
18 B1u 613 601 56.21      
19 B1u 111 108 0.90      
20 B2g 2934 2877 0.00      
21 B2g 979 960 0.00      
22 B2g 954 935 0.00      
23 B2g 391 383 0.00      
24 B2u 3114 3053 115.15      
25 B2u 1684 1651 8.01      
26 B2u 1369 1342 0.27      
27 B2u 1166 1143 0.01      
28 B2u 936 918 0.00      
29 B3g 1208 1185 0.00      
30 B3g 697 684 0.00      
31 B3u 3091 3031 28.76      
32 B3u 2925 2868 127.45      
33 B3u 1471 1442 2.10      
34 B3u 1426 1398 0.12      
35 B3u 954 936 0.17      
36 B3u 884 867 9.54      

Unscaled Zero Point Vibrational Energy (zpe) 26301.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 25786.2 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 B97D3/6-31G*
ABC
0.17104 0.16191 0.08578

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.504 0.000 0.000
C2 -1.504 0.000 0.000
C3 -0.671 1.257 0.000
C4 0.671 1.257 0.000
C5 -0.671 -1.257 0.000
C6 0.671 -1.257 0.000
H7 1.213 -2.207 0.000
H8 -1.213 -2.207 0.000
H9 1.213 2.207 0.000
H10 -1.213 2.207 0.000
H11 2.185 0.000 0.874
H12 -2.185 0.000 0.874
H13 2.185 0.000 -0.874
H14 -2.185 0.000 -0.874

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.00782.51171.50812.51171.50812.22583.50002.22583.50001.10793.79081.10793.7908
C23.00781.50812.51171.50812.51173.50002.22583.50002.22583.79081.10793.79081.1079
C32.51171.50811.34132.51412.84963.94273.50592.10931.09353.24002.15333.24002.1533
C41.50812.51171.34132.84962.51413.50593.94271.09352.10932.15333.24002.15333.2400
C52.51171.50812.51412.84961.34132.10931.09353.94273.50593.24002.15333.24002.1533
C61.50812.51172.84962.51411.34131.09352.10933.50593.94272.15333.24002.15333.2400
H72.22583.50003.94273.50592.10931.09352.42564.41345.03602.56484.14452.56484.1445
H83.50002.22583.50593.94271.09352.10932.42565.03604.41344.14452.56484.14452.5648
H92.22583.50002.10931.09353.94273.50594.41345.03602.42562.56484.14452.56484.1445
H103.50002.22581.09352.10933.50593.94275.03604.41342.42564.14452.56484.14452.5648
H111.10793.79083.24002.15333.24002.15332.56484.14452.56484.14454.36951.74794.7062
H123.79081.10792.15333.24002.15333.24004.14452.56484.14452.56484.36954.70621.7479
H131.10793.79083.24002.15333.24002.15332.56484.14452.56484.14451.74794.70624.3695
H143.79081.10792.15333.24002.15333.24004.14452.56484.14452.56484.70621.74794.3695

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 123.542 C1 C4 H9 116.818
C1 C6 C5 123.542 C1 C6 H7 116.818
C2 C3 C4 123.542 C2 C3 H10 116.818
C2 C5 C6 123.542 C2 C5 H8 116.818
C3 C2 C5 112.916 C3 C2 H12 109.840
C3 C2 H14 109.840 C3 C4 H9 119.640
C4 C1 C6 112.916 C4 C1 H11 109.840
C4 C1 H13 109.840 C4 C3 H10 119.640
C5 C2 H12 109.840 C5 C2 H14 109.840
C5 C6 H7 119.640 C6 C1 H11 109.840
C6 C1 H13 109.840 C6 C5 H8 119.640
H11 C1 H13 104.208 H12 C2 H14 104.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.349      
2 C -0.349      
3 C -0.106      
4 C -0.106      
5 C -0.106      
6 C -0.106      
7 H 0.124      
8 H 0.124      
9 H 0.124      
10 H 0.124      
11 H 0.156      
12 H 0.156      
13 H 0.156      
14 H 0.156      


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 -33.100 0.000 0.000
y 0.000 -35.092 0.000
z 0.000 0.000 -38.458
Traceless
 xyz
x 3.675 0.000 0.000
y 0.000 0.686 0.000
z 0.000 0.000 -4.361
Polar
3z2-r2-8.723
x2-y21.992
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.088 0.000 0.000
y 0.000 8.844 0.000
z 0.000 0.000 5.075


<r2> (average value of r2) Å2
<r2> 145.574
(<r2>)1/2 12.065