return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H10 (cyclohexene)

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-234.498137
Energy at 298.15K-234.509504
HF Energy-234.498137
Nuclear repulsion energy234.419330
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3080 3055 57.99      
2 A 2990 2966 61.00      
3 A 2960 2936 3.75      
4 A 2944 2921 15.09      
5 A 2913 2890 0.03      
6 A 1672 1658 3.37      
7 A 1491 1479 0.52      
8 A 1465 1453 0.09      
9 A 1360 1349 2.85      
10 A 1346 1335 0.02      
11 A 1244 1234 1.04      
12 A 1224 1214 0.11      
13 A 1135 1126 0.00      
14 A 1074 1065 0.00      
15 A 1041 1033 0.16      
16 A 961 953 0.02      
17 A 885 878 0.37      
18 A 811 805 0.83      
19 A 800 794 0.06      
20 A 488 484 0.02      
21 A 384 380 0.00      
22 A 269 267 0.08      
23 B 3056 3032 13.16      
24 B 2995 2971 69.75      
25 B 2961 2937 113.78      
26 B 2947 2923 11.02      
27 B 2913 2890 72.02      
28 B 1482 1470 2.34      
29 B 1471 1459 2.36      
30 B 1397 1386 1.75      
31 B 1342 1331 3.31      
32 B 1328 1317 1.32      
33 B 1268 1257 1.19      
34 B 1140 1130 3.26      
35 B 1023 1014 3.13      
36 B 993 985 1.06      
37 B 916 909 2.81      
38 B 857 851 3.65      
39 B 712 706 6.06      
40 B 637 632 18.46      
41 B 445 441 1.12      
42 B 160 158 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 31290.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 31037.3 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/6-31G*
ABC
0.15494 0.14874 0.08348

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.113 -0.665 1.318
C2 0.113 0.665 1.318
C3 0.247 1.495 0.051
C4 -0.247 -1.495 0.051
C5 -0.247 0.733 -1.205
C6 0.247 -0.733 -1.205
H7 -0.213 -1.200 2.271
H8 0.213 1.200 2.271
H9 1.308 1.791 -0.080
H10 -1.308 -1.791 -0.080
H11 -0.307 2.445 0.164
H12 0.307 -2.445 0.164
H13 -1.353 0.741 -1.224
H14 1.353 -0.741 -1.224
H15 0.086 1.254 -2.119
H16 -0.086 -1.254 -2.119

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.34822.53001.52132.88762.54971.09702.11883.16332.15703.32222.16283.15852.93583.94173.4876
C21.34821.52132.53002.54972.88762.11881.09702.15703.16332.16283.32222.93583.15853.48763.9417
C32.53001.52133.03091.54992.55783.52172.23971.10883.63821.10573.94202.18052.80162.18903.5184
C41.52132.53003.03092.55781.54992.23973.52173.63821.10883.94201.10572.80162.18053.51842.1890
C52.88762.54971.54992.55781.54773.97713.53682.19162.96012.19263.50461.10572.17621.10392.1938
C62.54972.88762.55781.54991.54773.53683.97712.96012.19163.50462.19262.17621.10572.19381.1039
H71.09702.11883.52172.23973.97713.53682.43714.09712.65994.21052.50154.15693.85685.03804.3918
H82.11881.09702.23973.52173.53683.97712.43712.65994.09712.50154.21053.85684.15694.39185.0380
H93.16332.15701.10883.63822.19162.96014.09712.65994.43581.75964.35943.08072.77912.43663.9212
H102.15703.16333.63821.10882.96012.19162.65994.09714.43584.35941.75962.77913.08073.92122.4366
H113.32222.16281.10573.94202.19263.50464.21052.50151.75964.35944.92802.43363.85162.60484.3528
H122.16283.32223.94201.10573.50462.19262.50154.21054.35941.75964.92803.85162.43364.35282.6048
H133.15852.93582.18052.80161.10572.17624.15693.85683.08072.77912.43363.85163.08551.77072.5276
H142.93583.15852.80162.18052.17621.10573.85684.15692.77913.08073.85162.43363.08552.52761.7707
H153.94173.48762.18903.51841.10392.19385.03804.39182.43663.92122.60484.35281.77072.52762.5148
H163.48763.94173.51842.18902.19381.10394.39185.03803.92122.43664.35282.60482.52761.77072.5148

picture of cyclohexene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.575 C1 C2 H8 119.753
C1 C4 C6 112.237 C1 C4 H10 109.184
C1 C4 H12 109.825 C2 C1 C4 123.575
C2 C1 H7 119.753 C2 C3 C5 112.237
C2 C3 H9 109.184 C2 C3 H11 109.825
C3 C2 H8 116.672 C3 C5 C6 111.326
C3 C5 H13 109.251 C3 C5 H15 110.015
C4 C1 H7 116.672 C4 C6 C5 111.326
C4 C6 H14 109.251 C4 C6 H16 110.015
C5 C3 H9 109.933 C5 C3 H11 110.192
C5 C6 H14 109.062 C5 C6 H16 110.533
C6 C4 H10 109.933 C6 C4 H12 110.192
C6 C5 H13 109.062 C6 C5 H15 110.533
H9 C3 H11 105.230 H10 C4 H12 105.230
H13 C5 H15 106.523 H14 C6 H16 106.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 C -0.078      
3 C -0.262      
4 C -0.262      
5 C -0.227      
6 C -0.227      
7 H 0.092      
8 H 0.092      
9 H 0.125      
10 H 0.125      
11 H 0.120      
12 H 0.120      
13 H 0.118      
14 H 0.118      
15 H 0.110      
16 H 0.110      


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 -0.245 0.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.906 0.431 0.000
y 0.431 -36.966 0.000
z 0.000 0.000 -37.965
Traceless
 xyz
x -1.440 0.431 0.000
y 0.431 1.469 0.000
z 0.000 0.000 -0.029
Polar
3z2-r2-0.058
x2-y2-1.940
xy0.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.962 0.646 0.000
y 0.646 10.858 0.000
z 0.000 0.000 9.360


<r2> (average value of r2) Å2
<r2> 157.087
(<r2>)1/2 12.533