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

using model chemistry: BLYP/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-233.296252
Energy at 298.15K-233.304732
Nuclear repulsion energy215.809959
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-pVDZ
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 3079 3084 0.00      
2 Ag 2887 2891 0.00      
3 Ag 1695 1698 0.00      
4 Ag 1395 1397 0.00      
5 Ag 1185 1186 0.00      
6 Ag 836 837 0.00      
7 Ag 526 527 0.00      
8 Au 1167 1169 0.00      
9 Au 961 962 0.00      
10 Au 372 372 0.00      
11 B1g 3054 3059 0.00      
12 B1g 1350 1353 0.00      
13 B1g 1311 1313 0.00      
14 B1g 1015 1017 0.00      
15 B1g 563 564 0.00      
16 B1u 2888 2892 61.13      
17 B1u 947 948 14.82      
18 B1u 612 613 45.21      
19 B1u 121 121 1.02      
20 B2g 2889 2894 0.00      
21 B2g 972 974 0.00      
22 B2g 931 933 0.00      
23 B2g 395 396 0.00      
24 B2u 3077 3082 90.33      
25 B2u 1651 1654 8.09      
26 B2u 1331 1333 0.24      
27 B2u 1138 1140 0.02      
28 B2u 922 923 0.00      
29 B3g 1177 1179 0.00      
30 B3g 699 700 0.00      
31 B3u 3054 3059 23.21      
32 B3u 2888 2892 111.66      
33 B3u 1399 1402 4.55      
34 B3u 1387 1390 0.01      
35 B3u 940 942 0.09      
36 B3u 868 869 11.42      

Unscaled Zero Point Vibrational Energy (zpe) 25841.1 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 25882.5 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-pVDZ
ABC
0.16913 0.16025 0.08487

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.511 0.000 0.000
C2 -1.511 0.000 0.000
C3 -0.674 1.264 0.000
C4 0.674 1.264 0.000
C5 -0.674 -1.264 0.000
C6 0.674 -1.264 0.000
H7 1.219 -2.222 0.000
H8 -1.219 -2.222 0.000
H9 1.219 2.222 0.000
H10 -1.219 2.222 0.000
H11 2.200 0.000 0.879
H12 -2.200 0.000 0.879
H13 2.200 0.000 -0.879
H14 -2.200 0.000 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.02132.52381.51552.52381.51552.24103.51972.24103.51971.11733.81341.11733.8134
C23.02131.51552.52381.51552.52383.51972.24103.51972.24103.81341.11733.81341.1173
C32.52381.51551.34802.52742.86443.96653.52802.12171.10243.26042.16763.26042.1676
C41.51552.52381.34802.86442.52743.52803.96651.10242.12172.16763.26042.16763.2604
C52.52381.51552.52742.86441.34802.12171.10243.96653.52803.26042.16763.26042.1676
C61.51552.52382.86442.52741.34801.10242.12173.52803.96652.16763.26042.16763.2604
H72.24103.51973.96653.52802.12171.10242.43804.44395.06882.58314.17132.58314.1713
H83.51972.24103.52803.96651.10242.12172.43805.06884.44394.17132.58314.17132.5831
H92.24103.51972.12171.10243.96653.52804.44395.06882.43802.58314.17132.58314.1713
H103.51972.24101.10242.12173.52803.96655.06884.44392.43804.17132.58314.17132.5831
H111.11733.81343.26042.16763.26042.16762.58314.17132.58314.17134.40011.75844.7384
H123.81341.11732.16763.26042.16763.26044.17132.58314.17132.58314.40014.73841.7584
H131.11733.81343.26042.16763.26042.16762.58314.17132.58314.17131.75844.73844.4001
H143.81341.11732.16763.26042.16763.26044.17132.58314.17132.58314.73841.75844.4001

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 123.507 C1 C4 H9 116.866
C1 C6 C5 123.507 C1 C6 H7 116.866
C2 C3 C4 123.507 C2 C3 H10 116.866
C2 C5 C6 123.507 C2 C5 H8 116.866
C3 C2 C5 112.986 C3 C2 H12 109.915
C3 C2 H14 109.915 C3 C4 H9 119.627
C4 C1 C6 112.986 C4 C1 H11 109.915
C4 C1 H13 109.915 C4 C3 H10 119.627
C5 C2 H12 109.915 C5 C2 H14 109.915
C5 C6 H7 119.627 C6 C1 H11 109.915
C6 C1 H13 109.915 C6 C5 H8 119.627
H11 C1 H13 103.801 H12 C2 H14 103.801
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 C 0.095      
3 C -0.013      
4 C -0.013      
5 C -0.013      
6 C -0.013      
7 H -0.051      
8 H -0.051      
9 H -0.051      
10 H -0.051      
11 H 0.017      
12 H 0.017      
13 H 0.017      
14 H 0.017      


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 -34.038 0.000 0.000
y 0.000 -36.387 0.000
z 0.000 0.000 -39.037
Traceless
 xyz
x 3.674 0.000 0.000
y 0.000 0.151 0.000
z 0.000 0.000 -3.825
Polar
3z2-r2-7.649
x2-y22.348
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.778 0.000 0.000
y 0.000 9.572 0.000
z 0.000 0.000 5.530


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