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All results from a given calculation for C6H12 (Cyclohexane)

using model chemistry: CID/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 CID/6-31G*
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (twist boat)

Jump to S1C1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-234.888339
Energy at 298.15K-234.902903
Nuclear repulsion energy257.011680
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 CID/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 3221 2976 119.86      
2 A 3207 2962 0.00      
3 A 3191 2948 7.08      
4 A 3170 2928 0.00      
5 A 3162 2921 51.83      
6 A 3156 2916 0.00      
7 A 1627 1502 0.00      
8 A 1610 1487 10.59      
9 A 1590 1469 0.00      
10 A 1485 1372 0.00      
11 A 1459 1348 0.08      
12 A 1422 1314 0.41      
13 A 1374 1269 0.00      
14 A 1348 1245 0.00      
15 A 1334 1232 0.39      
16 A 1123 1037 0.33      
17 A 1098 1014 0.00      
18 A 1001 924 0.00      
19 A 959 886 0.02      
20 A 858 792 0.00      
21 A 828 764 1.84      
22 A 490 452 0.00      
23 A 449 415 0.24      
24 A 293 271 0.00      
25 A 131 121 0.02      
26 B 3213 2968 64.29      
27 B 3204 2960 56.21      
28 B 3193 2949 45.11      
29 B 3167 2926 69.38      
30 B 3154 2913 12.25      
31 B 3152 2911 29.22      
32 B 1607 1484 3.09      
33 B 1601 1479 2.28      
34 B 1590 1469 0.18      
35 B 1472 1359 1.03      
36 B 1472 1359 0.26      
37 B 1469 1357 0.88      
38 B 1384 1278 1.71      
39 B 1254 1158 2.43      
40 B 1224 1131 0.08      
41 B 1188 1098 0.01      
42 B 1174 1084 0.00      
43 B 1081 999 1.49      
44 B 929 858 1.50      
45 B 922 852 0.88      
46 B 807 746 1.37      
47 B 580 536 0.61      
48 B 247 228 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 39334.3 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 36333.1 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 CID/6-31G*
ABC
0.14791 0.14014 0.08558

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.215 -0.658 0.386
C2 0.000 1.517 -0.000
C3 1.215 -0.658 -0.386
C4 1.215 0.658 0.386
C5 -0.000 -1.517 -0.000
C6 -1.215 0.658 -0.386
H7 -1.192 -0.438 1.455
H8 -0.259 2.171 0.833
H9 2.138 -1.211 -0.209
H10 1.192 0.438 1.455
H11 0.259 -2.171 0.833
H12 -2.138 1.211 -0.209
H13 -2.138 -1.210 0.209
H14 0.260 2.170 -0.833
H15 1.193 -0.438 -1.454
H16 2.138 1.210 0.209
H17 -0.260 -2.170 -0.833
H18 -1.193 0.438 -1.454

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.52072.55032.76371.53751.52481.09143.01913.44992.85292.16012.16671.08983.41493.03863.84242.16522.1419
C22.52072.52061.53753.03341.53752.71281.09053.47152.16813.78972.16963.47161.09052.71272.16953.78912.1682
C32.55032.52061.52481.53752.76393.03833.41501.08982.14202.16523.84263.45013.01861.09142.16672.16012.8535
C42.76371.53751.52482.52072.55032.85292.16012.16671.09143.01913.44993.84242.16522.14191.08983.41493.0386
C51.53753.03341.53752.52072.52062.16813.78972.16962.71281.09053.47152.16953.78912.16823.47161.09052.7127
C61.52481.53752.76392.55032.52062.14202.16523.84263.03833.41501.08982.16672.16012.85353.45013.01861.0914
H71.09142.71283.03832.85292.16812.14202.84003.80142.54022.34482.52571.74423.76153.76173.91883.01743.0383
H83.01911.09053.41502.16013.78972.16522.84004.27412.34484.37342.35243.91821.74503.76142.65684.65033.0174
H93.44993.47151.08982.16672.16963.84263.80144.27412.52572.35244.91344.29573.91771.74422.45702.65723.9194
H102.85292.16812.14201.09142.71283.03832.54022.34482.52572.84003.80143.91883.01743.03831.74423.76153.7617
H112.16013.78972.16523.01911.09053.41502.34484.37342.35242.84004.27412.65684.65033.01743.91821.74503.7614
H122.16672.16963.84263.44993.47151.08982.52572.35244.91343.80144.27412.45702.65723.91944.29573.91771.7442
H131.08983.47163.45013.84242.16952.16671.74423.91824.29573.91882.65682.45704.27403.80204.91332.35242.5257
H143.41491.09053.01862.16523.78912.16013.76151.74503.91773.01744.65032.65724.27402.83912.35244.37212.3446
H153.03862.71271.09142.14192.16822.85353.76173.76141.74423.03833.01743.91943.80202.83912.52572.34462.5412
H163.84242.16952.16671.08983.47163.45013.91882.65682.45701.74423.91824.29574.91332.35242.52574.27403.8020
H172.16523.78912.16013.41491.09053.01863.01744.65032.65723.76151.74503.91772.35244.37212.34464.27402.8391
H182.14192.16822.85353.03862.71271.09143.03833.01743.91943.76173.76141.74422.52572.34462.54123.80202.8391

picture of Cyclohexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 56.033 C1 C5 H11 109.386
C1 C5 H17 109.779 C1 C6 C3 65.761
C1 C6 H12 110.831 C1 C6 H18 108.782
C2 C4 C3 110.795 C2 C4 H10 109.961
C2 C4 H16 110.166 C2 C5 H11 126.883
C2 C5 H17 126.838 C3 C4 H10 108.785
C3 C4 H16 110.830 C3 C6 H12 170.318
C3 C6 H18 83.449 C4 C2 C5 56.033
C4 C2 H8 109.386 C4 C2 H14 109.779
C4 C3 C6 65.761 C4 C3 H9 110.831
C4 C3 H15 108.782 C5 C1 C6 110.795
C5 C1 H7 109.961 C5 C1 H13 110.166
C5 C2 H8 126.883 C5 C2 H14 126.838
C6 C1 H7 108.785 C6 C1 H13 110.830
C6 C3 H9 170.318 C6 C3 H15 83.449
H7 C1 H13 106.189 H8 C2 H14 106.279
H9 C3 H15 106.189 H10 C4 H16 106.189
H11 C5 H17 106.279 H12 C6 H18 106.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability