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

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-233.353791
Energy at 298.15K-233.362259
Nuclear repulsion energy216.471579
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/6-311G**
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 3074 3062 0.00      
2 Ag 2895 2884 0.00      
3 Ag 1686 1679 0.00      
4 Ag 1430 1424 0.00      
5 Ag 1197 1192 0.00      
6 Ag 826 823 0.00      
7 Ag 529 527 0.00      
8 Au 1182 1178 0.00      
9 Au 961 957 0.00      
10 Au 372 370 0.00      
11 B1g 3050 3038 0.00      
12 B1g 1352 1347 0.00      
13 B1g 1326 1321 0.00      
14 B1g 1012 1008 0.00      
15 B1g 565 563 0.00      
16 B1u 2893 2882 62.10      
17 B1u 955 952 23.09      
18 B1u 612 610 63.82      
19 B1u 108 108 0.87      
20 B2g 2894 2883 0.00      
21 B2g 978 974 0.00      
22 B2g 939 935 0.00      
23 B2g 393 392 0.00      
24 B2u 3072 3060 95.17      
25 B2u 1641 1635 7.15      
26 B2u 1332 1327 0.08      
27 B2u 1151 1147 0.04      
28 B2u 912 909 0.06      
29 B3g 1188 1183 0.00      
30 B3g 696 693 0.00      
31 B3u 3049 3038 25.16      
32 B3u 2896 2885 108.20      
33 B3u 1435 1429 5.81      
34 B3u 1398 1392 0.00      
35 B3u 946 943 0.36      
36 B3u 859 855 11.85      

Unscaled Zero Point Vibrational Energy (zpe) 25902.0 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 25801.0 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 BLYP/6-311G**
ABC
0.16952 0.16144 0.08527

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.508 0.000 0.000
C2 -1.508 0.000 0.000
C3 -0.670 1.263 0.000
C4 0.670 1.263 0.000
C5 -0.670 -1.263 0.000
C6 0.670 -1.263 0.000
H7 1.212 -2.213 0.000
H8 -1.212 -2.213 0.000
H9 1.212 2.213 0.000
H10 -1.212 2.213 0.000
H11 2.187 0.000 0.874
H12 -2.187 0.000 0.874
H13 2.187 0.000 -0.874
H14 -2.187 0.000 -0.874

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.01532.51791.51572.51791.51572.23273.50672.23273.50671.10743.79711.10743.7971
C23.01531.51572.51791.51572.51793.50672.23273.50672.23273.79711.10743.79711.1074
C32.51791.51571.34072.52682.86053.95363.51852.10881.09353.24462.15913.24462.1591
C41.51572.51791.34072.86052.52683.51853.95361.09352.10882.15913.24462.15913.2446
C52.51791.51572.52682.86051.34072.10881.09353.95363.51853.24462.15913.24462.1591
C61.51572.51792.86052.52681.34071.09352.10883.51853.95362.15913.24462.15913.2446
H72.23273.50673.95363.51852.10881.09352.42494.42615.04692.57154.14982.57154.1498
H83.50672.23273.51853.95361.09352.10882.42495.04694.42614.14982.57154.14982.5715
H92.23273.50672.10881.09353.95363.51854.42615.04692.42492.57154.14982.57154.1498
H103.50672.23271.09352.10883.51853.95365.04694.42612.42494.14982.57154.14982.5715
H111.10743.79713.24462.15913.24462.15912.57154.14982.57154.14984.37481.74854.7113
H123.79711.10742.15913.24462.15913.24464.14982.57154.14982.57154.37484.71131.7485
H131.10743.79713.24462.15913.24462.15912.57154.14982.57154.14981.74854.71134.3748
H143.79711.10742.15913.24462.15913.24464.14982.57154.14982.57154.71131.74854.3748

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 123.533 C1 C4 H9 116.747
C1 C6 C5 123.533 C1 C6 H7 116.747
C2 C3 C4 123.533 C2 C3 H10 116.747
C2 C5 C6 123.533 C2 C5 H8 116.747
C3 C2 C5 112.933 C3 C2 H12 109.821
C3 C2 H14 109.821 C3 C4 H9 119.719
C4 C1 C6 112.933 C4 C1 H11 109.821
C4 C1 H13 109.821 C4 C3 H10 119.719
C5 C2 H12 109.821 C5 C2 H14 109.821
C5 C6 H7 119.719 C6 C1 H11 109.821
C6 C1 H13 109.821 C6 C5 H8 119.719
H11 C1 H13 104.271 H12 C2 H14 104.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C -0.142      
3 C -0.126      
4 C -0.126      
5 C -0.126      
6 C -0.126      
7 H 0.083      
8 H 0.083      
9 H 0.083      
10 H 0.083      
11 H 0.114      
12 H 0.114      
13 H 0.114      
14 H 0.114      


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 -34.166 0.000 0.000
y 0.000 -36.262 0.000
z 0.000 0.000 -39.570
Traceless
 xyz
x 3.750 0.000 0.000
y 0.000 0.606 0.000
z 0.000 0.000 -4.356
Polar
3z2-r2-8.712
x2-y22.097
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.819 0.000 0.000
y 0.000 9.542 0.000
z 0.000 0.000 5.921


<r2> (average value of r2) Å2
<r2> 146.939
(<r2>)1/2 12.122