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: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-39.105094
Energy at 298.15K-39.116576
HF Energy-38.624033
Nuclear repulsion energy125.797509
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 MP2/CEP-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 3160 3053 75.21      
2 A 3102 2997 57.20      
3 A 3082 2978 1.86      
4 A 3036 2934 50.58      
5 A 3018 2917 1.63      
6 A 1655 1599 2.32      
7 A 1522 1470 1.52      
8 A 1507 1457 0.22      
9 A 1411 1363 0.04      
10 A 1390 1343 0.34      
11 A 1281 1238 0.93      
12 A 1253 1211 0.04      
13 A 1168 1129 0.09      
14 A 1120 1083 0.18      
15 A 1094 1057 0.15      
16 A 950 918 0.07      
17 A 907 876 2.91      
18 A 845 816 1.24      
19 A 811 783 0.41      
20 A 488 471 0.06      
21 A 395 382 0.01      
22 A 270 261 0.04      
23 B 3118 3013 17.68      
24 B 3111 3006 123.20      
25 B 3080 2976 82.60      
26 B 3031 2929 54.37      
27 B 3018 2916 100.64      
28 B 1516 1465 5.65      
29 B 1515 1463 7.04      
30 B 1421 1373 0.10      
31 B 1391 1344 1.91      
32 B 1384 1338 1.75      
33 B 1301 1257 1.77      
34 B 1175 1135 6.17      
35 B 1070 1034 1.20      
36 B 1029 995 1.86      
37 B 957 925 6.17      
38 B 882 852 6.27      
39 B 731 706 17.48      
40 B 655 633 40.52      
41 B 446 431 1.26      
42 B 144 139 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 32217.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 31132.1 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 MP2/CEP-31G
ABC
0.15084 0.14323 0.08111

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.695 1.336
C2 0.008 0.695 1.336
C3 0.000 1.547 0.041
C4 0.000 -1.547 0.041
C5 -0.397 0.679 -1.212
C6 0.397 -0.679 -1.212
H7 -0.028 -1.235 2.300
H8 0.028 1.235 2.300
H9 1.008 1.997 -0.120
H10 -1.008 -1.997 -0.120
H11 -0.718 2.390 0.158
H12 0.718 -2.390 0.158
H13 -1.489 0.464 -1.183
H14 1.489 -0.464 -1.183
H15 -0.182 1.249 -2.144
H16 0.182 -1.249 -2.144

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.39072.58951.55052.92142.58041.10462.15763.22562.19503.37832.18803.14422.93943.99083.5296
C21.39071.55052.58952.58042.92142.15761.10462.19503.22562.18803.37832.93943.14423.52963.9908
C32.58951.55053.09331.57462.58453.58372.28111.11613.68821.11424.00362.21042.78552.21253.5529
C41.55052.58953.09332.58451.57462.28113.58373.68821.11614.00361.11422.78552.21043.55292.2125
C52.92142.58041.57462.58451.57254.01663.58112.21462.95462.21593.54131.11412.20561.11372.2183
C62.58042.92142.58451.57461.57253.58114.01662.95462.21463.54132.21592.20561.11412.21831.1137
H71.10462.15763.58372.28114.01663.58112.47044.16882.72004.26662.54544.14143.87645.09374.4494
H82.15761.10462.28113.58373.58114.01662.47042.72004.16882.54544.26663.87644.14144.44945.0937
H93.22562.19501.11613.68822.21462.95464.16882.72004.47501.79264.40603.11742.72422.46453.9142
H102.19503.22563.68821.11612.95462.21462.72004.16884.47504.40601.79262.72423.11743.91422.4645
H113.37832.18801.11424.00362.21593.54134.26662.54541.79264.40604.99162.47013.84992.62554.3997
H122.18803.37834.00361.11423.54132.21592.54544.26664.40601.79264.99163.84992.47014.39972.6255
H133.14422.93942.21042.78551.11412.20564.14143.87643.11742.72422.47013.84993.12031.80312.5794
H142.93943.14422.78552.21042.20561.11413.87644.14142.72423.11743.84992.47013.12032.57941.8031
H153.99083.52962.21253.55291.11372.21835.09374.44942.46453.91422.62554.39971.80312.57942.5244
H163.52963.99083.55292.21252.21831.11374.44945.09373.91422.46454.39972.62552.57941.80312.5244

picture of cyclohexene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.298 C1 C2 H8 119.252
C1 C4 C6 111.317 C1 C4 H10 109.727
C1 C4 H12 109.296 C2 C1 C4 123.298
C2 C1 H7 119.252 C2 C3 C5 111.317
C2 C3 H9 109.727 C2 C3 H11 109.296
C3 C2 H8 117.449 C3 C5 C6 110.418
C3 C5 H13 109.398 C3 C5 H15 109.586
C4 C1 H7 117.449 C4 C6 C5 110.418
C4 C6 H14 109.398 C4 C6 H16 109.586
C5 C3 H9 109.611 C5 C3 H11 109.814
C5 C6 H14 109.172 C5 C6 H16 110.165
C6 C4 H10 109.611 C6 C4 H12 109.814
C6 C5 H13 109.172 C6 C5 H15 110.165
H9 C3 H11 106.976 H10 C4 H12 106.976
H13 C5 H15 108.061 H14 C6 H16 108.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability