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All results from a given calculation for C6H12 (Cyclohexane)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (twist boat)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-231.787045
Energy at 298.15K-231.801196
Nuclear repulsion energy251.823176
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/STO-3G
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 3526 3134 18.61      
2 A 3516 3126 0.00      
3 A 3514 3124 0.32      
4 A 3409 3031 0.00      
5 A 3405 3027 9.96      
6 A 3403 3025 0.00      
7 A 1742 1548 0.00      
8 A 1726 1534 0.20      
9 A 1720 1529 0.00      
10 A 1580 1404 0.00      
11 A 1547 1375 0.28      
12 A 1500 1333 0.17      
13 A 1434 1275 0.00      
14 A 1419 1261 0.00      
15 A 1406 1250 0.64      
16 A 1184 1053 0.05      
17 A 1157 1029 0.00      
18 A 1045 929 0.00      
19 A 1019 906 0.00      
20 A 889 790 0.00      
21 A 855 760 1.79      
22 A 502 446 0.00      
23 A 452 402 0.47      
24 A 274 243 0.00      
25 A 100 89 0.00      
26 B 3521 3129 4.06      
27 B 3520 3129 4.29      
28 B 3512 3122 3.12      
29 B 3407 3029 13.26      
30 B 3405 3027 11.89      
31 B 3402 3024 1.99      
32 B 1730 1538 0.20      
33 B 1729 1537 0.38      
34 B 1715 1525 0.01      
35 B 1561 1388 11.58      
36 B 1558 1385 14.64      
37 B 1554 1382 0.04      
38 B 1454 1292 1.09      
39 B 1319 1173 1.71      
40 B 1298 1154 0.42      
41 B 1253 1114 0.03      
42 B 1235 1098 0.03      
43 B 1108 985 0.82      
44 B 976 867 0.70      
45 B 976 867 0.30      
46 B 838 745 1.09      
47 B 612 544 0.51      
48 B 237 210 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 42121.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 37441.9 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/STO-3G
ABC
0.14203 0.13413 0.08178

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.243 -0.676 0.390
C2 0.000 1.553 -0.000
C3 1.243 -0.676 -0.390
C4 1.243 0.676 0.390
C5 -0.000 -1.553 -0.000
C6 -1.243 0.676 -0.390
H7 -1.224 -0.463 1.475
H8 -0.260 2.211 0.850
H9 2.175 -1.236 -0.183
H10 1.224 0.463 1.475
H11 0.260 -2.211 0.850
H12 -2.175 1.236 -0.183
H13 -2.175 -1.235 0.184
H14 0.261 2.210 -0.851
H15 1.224 -0.464 -1.475
H16 2.175 1.235 0.184
H17 -0.261 -2.210 -0.851
H18 -1.224 0.464 -1.475

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.58222.60592.83031.57061.56111.10603.08473.51072.92592.19712.20241.10603.48313.10033.92172.20442.1857
C22.58222.58211.57063.10631.57062.78231.10603.54112.20483.86792.20583.54121.10602.78212.20573.86722.2048
C32.60592.58211.56111.57062.83063.09983.48331.10602.18572.20453.92193.51093.08401.10602.20242.19712.9267
C42.83031.57061.56112.58222.60592.92592.19712.20241.10603.08473.51073.92172.20442.18571.10603.48313.1003
C51.57063.10631.57062.58222.58212.20483.86792.20582.78231.10603.54112.20573.86722.20483.54121.10602.7821
C61.56111.57062.83062.60592.58212.18572.20453.92193.09983.48331.10602.20242.19712.92673.51093.08401.1060
H71.10602.78233.09982.92592.20482.18572.91103.85952.61672.37612.55781.77983.84213.83344.01273.06423.0924
H83.08471.10603.48332.19713.86792.20452.91104.34452.37614.45292.38483.99861.77843.84202.70634.73733.0641
H93.51073.54111.10602.20242.20583.92193.85954.34452.55782.38485.00264.36553.99801.77982.49772.70684.0136
H102.92592.20482.18571.10602.78233.09982.61672.37612.55782.91103.85954.01273.06423.09241.77983.84213.8334
H112.19713.86792.20453.08471.10603.48332.37614.45292.38482.91104.34452.70634.73733.06413.99861.77843.8420
H122.20242.20583.92193.51073.54111.10602.55782.38485.00263.85954.34452.49772.70684.01364.36553.99801.7798
H131.10603.54123.51093.92172.20572.20241.77983.99864.36554.01272.70632.49774.34443.86045.00252.38502.5577
H143.48311.10603.08402.20443.86722.19713.84211.77843.99803.06424.73732.70684.34442.91002.38504.45122.3759
H153.10032.78211.10602.18572.20482.92673.83343.84201.77983.09243.06414.01363.86042.91002.55772.37592.6182
H163.92172.20572.20241.10603.54123.51094.01272.70632.49771.77983.99864.36555.00252.38502.55774.34443.8604
H172.20443.86722.19713.48311.10603.08403.06424.73732.70683.84211.77843.99802.38504.45122.37594.34442.9100
H182.18572.20482.92673.10032.78211.10603.09243.06414.01363.83343.84201.77982.55772.37592.61823.86042.9100

picture of Cyclohexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 56.058 C1 C5 H11 109.106
C1 C5 H17 109.675 C1 C6 C3 65.546
C1 C6 H12 110.170 C1 C6 H18 108.878
C2 C4 C3 111.080 C2 C4 H10 109.699
C2 C4 H16 109.773 C2 C5 H11 126.514
C2 C5 H17 126.456 C3 C4 H10 108.881
C3 C4 H16 110.171 C3 C6 H12 168.976
C3 C6 H18 83.857 C4 C2 C5 56.058
C4 C2 H8 109.106 C4 C2 H14 109.675
C4 C3 C6 65.546 C4 C3 H9 110.170
C4 C3 H15 108.878 C5 C1 C6 111.080
C5 C1 H7 109.699 C5 C1 H13 109.773
C5 C2 H8 126.514 C5 C2 H14 126.456
C6 C1 H7 108.881 C6 C1 H13 110.171
C6 C3 H9 168.976 C6 C3 H15 83.857
H7 C1 H13 107.149 H8 C2 H14 107.030
H9 C3 H15 107.148 H10 C4 H16 107.149
H11 C5 H17 107.030 H12 C6 H18 107.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability