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return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for (cyclohexene)

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-234.671998
Energy at 298.15K-234.683565
Nuclear repulsion energy235.958974
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 B3LYP/aug-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 A 3161 3068 39.72      
2 A 3069 2978 55.88      
3 A 3043 2953 0.90      
4 A 3017 2928 17.27      
5 A 2996 2907 0.06      
6 A 1713 1663 5.22      
7 A 1486 1442 2.33      
8 A 1458 1415 0.11      
9 A 1370 1330 0.02      
10 A 1360 1320 0.30      
11 A 1259 1221 0.64      
12 A 1238 1201 0.05      
13 A 1149 1115 0.10      
14 A 1088 1056 0.00      
15 A 1073 1041 0.07      
16 A 985 956 0.00      
17 A 911 884 1.09      
18 A 829 804 0.04      
19 A 818 794 0.80      
20 A 502 487 0.02      
21 A 401 389 0.02      
22 A 277 269 0.04      
23 B 3138 3045 9.67      
24 B 3073 2982 58.78      
25 B 3043 2953 89.99      
26 B 3022 2933 20.06      
27 B 2996 2907 64.73      
28 B 1474 1431 4.86      
29 B 1466 1423 8.66      
30 B 1412 1370 0.02      
31 B 1361 1320 1.51      
32 B 1336 1297 1.31      
33 B 1279 1241 2.53      
34 B 1150 1116 5.91      
35 B 1046 1015 4.96      
36 B 1011 981 1.18      
37 B 925 897 5.82      
38 B 883 857 5.74      
39 B 724 702 9.22      
40 B 647 628 27.01      
41 B 458 444 1.13      
42 B 167 162 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 31905.6 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 30961.2 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 B3LYP/aug-cc-pVDZ
ABC
0.15714 0.15070 0.08465

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.670 1.306
C2 0.009 0.670 1.306
C3 0.000 1.504 0.048
C4 0.000 -1.504 0.048
C5 -0.367 0.674 -1.193
C6 0.367 -0.674 -1.193
H7 -0.026 -1.205 2.260
H8 0.026 1.205 2.260
H9 0.991 1.973 -0.088
H10 -0.991 -1.973 -0.088
H11 -0.707 2.340 0.166
H12 0.707 -2.340 0.166
H13 -1.454 0.492 -1.196
H14 1.454 -0.492 -1.196
H15 -0.136 1.238 -2.108
H16 0.136 -1.238 -2.108

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.34022.51201.50962.85952.52671.09342.10363.15102.14593.29372.14513.11432.90403.91303.4637
C21.34021.50962.51202.52672.85952.10361.09342.14593.15102.14513.29372.90403.11433.46373.9130
C32.51201.50963.00791.53682.53283.49722.23241.10453.61781.10143.91062.16462.76472.17593.4906
C41.50962.51203.00792.53281.53682.23243.49723.61781.10453.91061.10142.76472.16463.49062.1759
C52.85952.52671.53682.53281.53443.94503.51482.17952.93482.17703.47621.10192.16171.09972.1788
C62.52672.85952.53281.53681.53443.51483.94502.93482.17953.47622.17702.16171.10192.17881.0997
H71.09342.10363.49722.23243.94503.51482.40974.07952.65244.17292.49184.10633.82645.00554.3706
H82.10361.09342.23243.49723.51483.94502.40972.65244.07952.49184.17293.82644.10634.37065.0055
H93.15102.14591.10453.61782.17952.93484.07952.65244.41531.75534.33013.06542.74162.42653.8884
H102.14593.15103.61781.10452.93482.17952.65244.07954.41534.33011.75532.74163.06543.88842.4265
H113.29372.14511.10143.91062.17703.47624.17292.49181.75534.33014.88952.41503.81382.59054.3231
H122.14513.29373.91061.10143.47622.17702.49184.17294.33011.75534.88953.81382.41504.32312.5905
H133.11432.90402.16462.76471.10192.16174.10633.82643.06542.74162.41503.81383.06921.76722.5204
H142.90403.11432.76472.16462.16171.10193.82644.10632.74163.06543.81382.41503.06922.52041.7672
H153.91303.46372.17593.49061.09972.17885.00554.37062.42653.88842.59054.32311.76722.52042.4917
H163.46373.91303.49062.17592.17881.09974.37065.00553.88842.42654.32312.59052.52041.76722.4917

picture of cyclohexene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.522 C1 C2 H8 119.275
C1 C4 C6 112.068 C1 C4 H10 109.372
C1 C4 H12 109.486 C2 C1 C4 123.522
C2 C1 H7 119.275 C2 C3 C5 112.068
C2 C3 H9 109.372 C2 C3 H11 109.486
C3 C2 H8 117.202 C3 C5 C6 111.113
C3 C5 H13 109.118 C3 C5 H15 110.131
C4 C1 H7 117.202 C4 C6 C5 111.113
C4 C6 H14 109.118 C4 C6 H16 110.131
C5 C3 H9 110.132 C5 C3 H11 110.120
C5 C6 H14 109.064 C5 C6 H16 110.526
C6 C4 H10 110.132 C6 C4 H12 110.120
C6 C5 H13 109.064 C6 C5 H15 110.526
H9 C3 H11 105.447 H10 C4 H12 105.447
H13 C5 H15 106.774 H14 C6 H16 106.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.464      
2 C 0.464      
3 C 0.756      
4 C 0.756      
5 C 0.976      
6 C 0.976      
7 H -0.718      
8 H -0.718      
9 H -0.314      
10 H -0.314      
11 H -0.313      
12 H -0.313      
13 H -0.497      
14 H -0.497      
15 H -0.353      
16 H -0.353      


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 -0.366 0.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.960 0.058 0.000
y 0.058 -37.671 0.000
z 0.000 0.000 -38.941
Traceless
 xyz
x -1.654 0.058 0.000
y 0.058 1.779 0.000
z 0.000 0.000 -0.125
Polar
3z2-r2-0.251
x2-y2-2.289
xy0.058
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> 0.000
(<r2>)1/2 0.000