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All results from a given calculation for C6H12 (Cyclohexane)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes twist boat 1A

Conformer 1 (Chair)

Jump to S1C2
Vibrational Frequencies calculated at MP2=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (twist boat)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-235.110932
Energy at 298.15K-235.125394
Nuclear repulsion energy257.393803
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3196 2987 92.28      
2 A 3182 2973 0.00      
3 A 3170 2962 4.07      
4 A 3131 2926 0.00      
5 A 3127 2922 51.07      
6 A 3122 2917 0.00      
7 A 1576 1473 0.00      
8 A 1563 1460 9.27      
9 A 1542 1441 0.00      
10 A 1430 1336 0.00      
11 A 1402 1310 0.01      
12 A 1370 1280 0.34      
13 A 1334 1246 0.00      
14 A 1307 1221 0.00      
15 A 1291 1206 0.29      
16 A 1095 1023 0.36      
17 A 1072 1002 0.00      
18 A 971 907 0.00      
19 A 927 867 0.02      
20 A 844 789 0.00      
21 A 806 753 1.35      
22 A 475 444 0.00      
23 A 437 408 0.19      
24 A 294 275 0.00      
25 A 140 131 0.02      
26 B 3190 2980 47.06      
27 B 3181 2973 40.57      
28 B 3170 2962 30.67      
29 B 3130 2924 61.29      
30 B 3119 2914 14.26      
31 B 3118 2914 35.97      
32 B 1555 1453 2.04      
33 B 1550 1448 1.61      
34 B 1541 1440 0.10      
35 B 1421 1328 0.00      
36 B 1420 1327 2.01      
37 B 1417 1324 1.67      
38 B 1345 1257 1.39      
39 B 1209 1130 2.30      
40 B 1177 1100 0.02      
41 B 1158 1082 0.00      
42 B 1140 1065 0.01      
43 B 1048 979 1.28      
44 B 911 851 1.33      
45 B 904 845 0.66      
46 B 782 730 1.41      
47 B 554 517 0.63      
48 B 244 228 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 38542.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 36014.2 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 MP2=FULL/6-31G**
ABC
0.14853 0.14040 0.08629

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.210 -0.652 0.395
C2 0.000 1.515 -0.000
C3 1.210 -0.652 -0.395
C4 1.210 0.652 0.395
C5 -0.000 -1.515 -0.000
C6 -1.210 0.652 -0.395
H7 -1.168 -0.416 1.460
H8 -0.269 2.168 0.832
H9 2.135 -1.206 -0.238
H10 1.168 0.416 1.460
H11 0.269 -2.168 0.832
H12 -2.135 1.206 -0.238
H13 -2.135 -1.206 0.239
H14 0.269 2.167 -0.832
H15 1.168 -0.416 -1.460
H16 2.135 1.206 0.239
H17 -0.269 -2.167 -0.832
H18 -1.168 0.416 -1.460

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.51272.54462.74811.53721.52451.09213.00443.44902.81602.16172.17051.09023.41173.02523.82952.16482.1411
C22.51272.51271.53723.02941.53722.68811.09113.46692.16893.78472.17063.46691.09112.68812.17063.78442.1689
C32.54462.51271.52451.53722.74823.02513.41181.09022.14112.16483.82953.44903.00411.09212.17052.16172.8162
C42.74811.53721.52452.51272.54462.81602.16172.17051.09213.00443.44903.82952.16482.14111.09023.41173.0252
C51.53723.02941.53722.51272.51272.16893.78472.17062.68811.09113.46692.17063.78442.16893.46691.09112.6881
C61.52451.53722.74822.54462.51272.14112.16483.82953.02513.41181.09022.17052.16172.81623.44903.00411.0921
H71.09212.68813.02512.81602.16892.14112.80723.79772.48032.35112.54021.74703.74103.74043.87793.02173.0369
H83.00441.09113.41182.16173.78472.16482.80724.27862.35114.36842.35663.90101.74873.74102.65634.64333.0217
H93.44903.46691.09022.17052.17063.82953.79774.27862.54022.35664.90484.29713.90081.74702.45892.65643.8781
H102.81602.16892.14111.09212.68813.02512.48032.35112.54022.80723.79773.87793.02173.03691.74703.74103.7404
H112.16173.78472.16483.00441.09113.41182.35114.36842.35662.80724.27862.65634.64333.02173.90101.74873.7410
H122.17052.17063.82953.44903.46691.09022.54022.35664.90483.79774.27862.45892.65643.87814.29713.90081.7470
H131.09023.46693.44903.82952.17062.17051.74703.90104.29713.87792.65632.45894.27863.79804.90472.35662.5402
H143.41171.09113.00412.16483.78442.16173.74101.74873.90083.02174.64332.65644.27862.80682.35664.36782.3509
H153.02522.68811.09212.14112.16892.81623.74043.74101.74703.03693.02173.87813.79802.80682.54022.35092.4807
H163.82952.17062.17051.09023.46693.44903.87792.65632.45891.74703.90104.29714.90472.35662.54024.27863.7980
H172.16483.78442.16173.41171.09113.00413.02174.64332.65643.74101.74873.90082.35664.36782.35094.27862.8068
H182.14112.16892.81623.02522.68811.09213.03693.02173.87813.74043.74101.74702.54022.35092.48073.79802.8068

picture of Cyclohexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 55.863 C1 C5 H11 109.495
C1 C5 H17 109.736 C1 C6 C3 66.049
C1 C6 H12 111.128 C1 C6 H18 108.697
C2 C4 C3 110.304 C2 C4 H10 110.009
C2 C4 H16 110.249 C2 C5 H11 126.753
C2 C5 H17 126.733 C3 C4 H10 108.698
C3 C4 H16 111.128 C3 C6 H12 171.360
C3 C6 H18 82.206 C4 C2 C5 55.863
C4 C2 H8 109.495 C4 C2 H14 109.736
C4 C3 C6 66.049 C4 C3 H9 111.128
C4 C3 H15 108.697 C5 C1 C6 110.304
C5 C1 H7 110.009 C5 C1 H13 110.249
C5 C2 H8 126.753 C5 C2 H14 126.733
C6 C1 H7 108.698 C6 C1 H13 111.128
C6 C3 H9 171.360 C6 C3 H15 82.206
H7 C1 H13 106.364 H8 C2 H14 106.514
H9 C3 H15 106.364 H10 C4 H16 106.364
H11 C5 H17 106.514 H12 C6 H18 106.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability