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All results from a given calculation for C6H12 (Cyclohexane)

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Chair 1A1g
1 2 no twist boat 1A

Conformer 1 (Chair)

Jump to S1C2
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-235.885811
Energy at 298.15K-235.900340
Nuclear repulsion energy254.721425
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 B3LYP/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3057 2965 0.00      
2 A1g 3003 2912 0.00      
3 A1g 1483 1439 0.00      
4 A1g 1174 1139 0.00      
5 A1g 810 785 0.00      
6 A1g 383 372 0.00      
7 A1u 1370 1329 0.00      
8 A1u 1127 1093 0.00      
9 A1u 1108 1075 0.00      
10 A2g 1335 1295 0.00      
11 A2g 1067 1035 0.00      
12 A2u 3062 2971 141.09      
13 A2u 3008 2917 79.05      
14 A2u 1463 1419 10.80      
15 A2u 1041 1009 1.75      
16 A2u 522 507 0.78      
17 Eg 3055 2963 0.00      
17 Eg 3055 2963 0.00      
18 Eg 3005 2915 0.00      
18 Eg 3005 2915 0.00      
19 Eg 1452 1409 0.00      
19 Eg 1452 1409 0.00      
20 Eg 1375 1334 0.00      
20 Eg 1375 1334 0.00      
21 Eg 1286 1248 0.00      
21 Eg 1286 1248 0.00      
22 Eg 1043 1012 0.00      
22 Eg 1043 1012 0.00      
23 Eg 791 768 0.00      
23 Eg 791 768 0.00      
24 Eg 429 416 0.00      
24 Eg 429 416 0.00      
25 Eu 3053 2961 117.69      
25 Eu 3053 2961 117.69      
26 Eu 3000 2910 27.68      
26 Eu 3000 2910 27.68      
27 Eu 1460 1417 3.56      
27 Eu 1460 1417 3.56      
28 Eu 1377 1336 2.34      
28 Eu 1377 1336 2.34      
29 Eu 1277 1239 2.80      
29 Eu 1277 1239 2.80      
30 Eu 914 886 1.12      
30 Eu 914 886 1.12      
31 Eu 872 846 1.36      
31 Eu 872 846 1.36      
32 Eu 232 225 0.00      
32 Eu 232 225 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 37127.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 36013.5 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 B3LYP/cc-pVDZ
ABC
0.14273 0.14273 0.08148

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.466 0.229
C2 -1.270 0.733 0.229
C3 1.270 0.733 0.229
C4 0.000 1.466 -0.229
C5 -1.270 -0.733 -0.229
C6 1.270 -0.733 -0.229
H7 0.000 -1.535 1.334
H8 -1.329 0.768 1.334
H9 1.329 0.768 1.334
H10 0.000 1.535 -1.334
H11 -1.329 -0.768 -1.334
H12 1.329 -0.768 -1.334
H13 0.000 -2.503 -0.147
H14 -2.168 1.252 -0.147
H15 2.168 1.252 -0.147
H16 0.000 2.503 0.147
H17 -2.168 -1.252 0.147
H18 2.168 -1.252 0.147

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.53932.53932.96771.53591.53591.10692.82432.82433.38362.16732.16731.10353.49693.49693.97032.18012.1801
C22.53932.53931.53591.53592.96772.82431.10692.82432.16732.16733.38363.49691.10353.49692.18012.18013.9703
C32.53932.53931.53592.96771.53592.82432.82431.10692.16733.38362.16733.49693.49691.10352.18013.97032.1801
C42.96771.53591.53592.53932.53933.38362.16732.16731.10692.82432.82433.97032.18012.18011.10353.49693.4969
C51.53591.53592.96772.53932.53932.16732.16733.38362.82431.10692.82432.18012.18013.97033.49691.10353.4969
C61.53592.96771.53592.53932.53932.16733.38362.16732.82432.82431.10692.18013.97032.18013.49693.49691.1035
H71.10692.82432.82433.38362.16732.16732.65892.65894.06713.07753.07751.76933.82883.82884.20922.48772.4877
H82.82431.10692.82432.16732.16733.38362.65892.65893.07753.07754.06713.82881.76933.82882.48772.48774.2092
H92.82432.82431.10692.16733.38362.16732.65892.65893.07754.06713.07753.82883.82881.76932.48774.20922.4877
H103.38362.16732.16731.10692.82432.82434.06713.07753.07752.65892.65894.20922.48772.48771.76933.82883.8288
H112.16732.16733.38362.82431.10692.82433.07753.07754.06712.65892.65892.48772.48774.20923.82881.76933.8288
H122.16733.38362.16732.82432.82431.10693.07754.06713.07752.65892.65892.48774.20922.48773.82883.82881.7693
H131.10353.49693.49693.97032.18012.18011.76933.82883.82884.20922.48772.48774.33614.33615.01552.52072.5207
H143.49691.10353.49692.18012.18013.97033.82881.76933.82882.48772.48774.20924.33614.33612.52072.52075.0155
H153.49693.49691.10352.18013.97032.18013.82883.82881.76932.48774.20922.48774.33614.33612.52075.01552.5207
H163.97032.18012.18011.10353.49693.49694.20922.48772.48771.76933.82883.82885.01552.52072.52074.33614.3361
H172.18012.18013.97033.49691.10353.49692.48772.48774.20923.82881.76933.82882.52072.52075.01554.33614.3361
H182.18013.97032.18013.49693.49691.10352.48774.20922.48773.82883.82881.76932.52075.01552.52074.33614.3361

picture of Cyclohexane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 111.510 C1 C5 H11 109.107
C1 C5 H17 110.307 C1 C6 C3 111.510
C1 C6 H12 109.107 C1 C6 H18 110.307
C2 C4 C3 111.510 C2 C4 H10 109.107
C2 C4 H16 110.307 C2 C5 H11 109.107
C2 C5 H17 110.307 C3 C4 H10 109.107
C3 C4 H16 110.307 C3 C6 H12 109.107
C3 C6 H18 110.307 C4 C2 C5 111.510
C4 C2 H8 109.107 C4 C2 H14 110.307
C4 C3 C6 111.510 C4 C3 H9 109.107
C4 C3 H15 110.307 C5 C1 C6 111.510
C5 C1 H7 109.107 C5 C1 H13 110.307
C5 C2 H8 109.107 C5 C2 H14 110.307
C6 C1 H7 109.107 C6 C1 H13 110.307
C6 C3 H9 109.107 C6 C3 H15 110.307
H7 C1 H13 106.353 H8 C2 H14 106.353
H9 C3 H15 106.353 H10 C4 H16 106.353
H11 C5 H17 106.353 H12 C6 H18 106.353
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C 0.006      
3 C 0.006      
4 C 0.006      
5 C 0.006      
6 C 0.006      
7 H 0.001      
8 H 0.001      
9 H 0.001      
10 H 0.001      
11 H 0.001      
12 H 0.001      
13 H -0.007      
14 H -0.007      
15 H -0.007      
16 H -0.007      
17 H -0.007      
18 H -0.007      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.536 0.000 0.000
y 0.000 -40.536 0.000
z 0.000 0.000 -40.000
Traceless
 xyz
x -0.268 0.000 0.000
y 0.000 -0.268 0.000
z 0.000 0.000 0.536
Polar
3z2-r21.072
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.136 0.000 0.000
y 0.000 10.136 0.000
z 0.000 0.000 8.913


<r2> (average value of r2) Å2
<r2> 167.015
(<r2>)1/2 12.923

Conformer 2 (twist boat)

Jump to S1C1
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-235.875214
Energy at 298.15K-235.889482
Nuclear repulsion energy254.780509
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 B3LYP/cc-pVDZ
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 3078 2986 118.99      
2 A 3067 2975 0.00      
3 A 3049 2958 12.84      
4 A 3028 2937 0.13      
5 A 3022 2931 57.44      
6 A 3016 2925 0.41      
7 A 1492 1447 0.11      
8 A 1475 1431 7.05      
9 A 1457 1413 0.03      
10 A 1377 1335 0.00      
11 A 1347 1307 0.02      
12 A 1329 1289 0.30      
13 A 1287 1248 0.00      
14 A 1260 1222 0.00      
15 A 1251 1214 0.21      
16 A 1060 1028 0.24      
17 A 1038 1006 0.00      
18 A 937 909 0.00      
19 A 899 872 0.00      
20 A 809 785 0.00      
21 A 774 751 2.44      
22 A 468 454 0.00      
23 A 428 416 0.46      
24 A 275 267 0.00      
25 A 109 106 0.06      
26 B 3071 2979 73.60      
27 B 3063 2971 64.45      
28 B 3052 2961 44.37      
29 B 3028 2937 68.29      
30 B 3014 2924 11.14      
31 B 3008 2917 21.26      
32 B 1471 1427 3.05      
33 B 1467 1423 2.04      
34 B 1455 1412 0.04      
35 B 1370 1329 3.55      
36 B 1370 1329 3.70      
37 B 1366 1325 0.27      
38 B 1298 1259 1.22      
39 B 1167 1132 1.79      
40 B 1143 1109 0.03      
41 B 1112 1079 0.00      
42 B 1106 1073 0.11      
43 B 1014 983 0.96      
44 B 878 851 1.27      
45 B 869 843 0.89      
46 B 760 737 0.71      
47 B 556 539 0.55      
48 B 241 234 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37104.0 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 35990.9 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 B3LYP/cc-pVDZ
ABC
0.14536 0.13801 0.08395

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.396 0.019 0.381
C2 0.746 1.333 -0.000
C3 0.746 -1.180 -0.381
C4 1.396 -0.019 0.381
C5 -0.746 -1.333 -0.000
C6 -0.746 1.180 -0.381
H7 -1.282 0.198 1.466
H8 0.848 2.037 0.844
H9 1.285 -2.123 -0.190
H10 1.282 -0.198 1.466
H11 -0.848 -2.037 0.844
H12 -1.285 2.123 -0.190
H13 -2.482 -0.015 0.191
H14 1.292 1.787 -0.845
H15 0.840 -0.990 -1.465
H16 2.482 0.015 0.191
H17 -1.292 -1.787 -0.845
H18 -0.840 0.990 -1.465

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.54202.57062.79231.54761.53401.10503.05323.47882.89752.17692.18351.10253.44363.07063.88222.18502.1594
C22.54202.54191.54763.05521.54762.74811.10363.50302.18653.82212.18773.50301.10362.74782.18773.82122.1865
C32.57062.54191.53401.54762.79273.06993.44381.10252.15952.18513.88263.47903.05231.10502.18342.17692.8985
C42.79231.54761.53402.54202.57062.89752.17692.18351.10503.05323.47883.88222.18502.15941.10253.44363.0706
C51.54763.05521.54762.54202.54192.18653.82212.18772.74811.10363.50302.18773.82122.18653.50301.10362.7478
C61.53401.54762.79272.57062.54192.15952.18513.88263.06993.44381.10252.18342.17692.89853.47903.05231.1050
H71.10502.74813.06992.89752.18652.15952.88203.83672.59472.36002.53951.76313.80703.80883.97793.04623.0684
H83.05321.10363.44382.17693.82212.18512.88204.30872.36004.41252.37193.96491.76413.80682.68014.69603.0459
H93.47883.50301.10252.18352.18773.88263.83674.30872.53952.37194.96344.33333.96421.76312.47942.68063.9790
H102.89752.18652.15951.10502.74813.06992.59472.36002.53952.88203.83673.97793.04623.06841.76313.80703.8088
H112.17693.82212.18513.05321.10363.44382.36004.41252.37192.88204.30872.68014.69603.04593.96491.76413.8068
H122.18352.18773.88263.47883.50301.10252.53952.37194.96343.83674.30872.47942.68063.97904.33333.96421.7631
H131.10253.50303.47903.88222.18772.18341.76313.96494.33333.97792.68012.47944.30843.83784.96312.37222.5393
H143.44361.10363.05232.18503.82122.17693.80701.76413.96423.04624.69602.68064.30842.88062.37224.41022.3596
H153.07062.74781.10502.15942.18652.89853.80883.80681.76313.06843.04593.97903.83782.88062.53932.35962.5965
H163.88222.18772.18341.10253.50303.47903.97792.68012.47941.76313.96494.33334.96312.37222.53934.30843.8378
H172.18503.82122.17693.44361.10363.05233.04624.69602.68063.80701.76413.96422.37224.41022.35964.30842.8806
H182.15942.18652.89853.07062.74781.10503.06843.04593.97903.80883.80681.76312.53932.35962.59653.83782.8806

picture of Cyclohexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 56.151 C1 C5 H11 109.247
C1 C5 H17 109.873 C1 C6 C3 65.562
C1 C6 H12 110.760 C1 C6 H18 108.732
C2 C4 C3 111.154 C2 C4 H10 109.904
C2 C4 H16 110.145 C2 C5 H11 126.982
C2 C5 H17 126.904 C3 C4 H10 108.739
C3 C4 H16 110.756 C3 C6 H12 169.720
C3 C6 H18 84.244 C4 C2 C5 56.151
C4 C2 H8 109.247 C4 C2 H14 109.873
C4 C3 C6 65.562 C4 C3 H9 110.760
C4 C3 H15 108.732 C5 C1 C6 111.154
C5 C1 H7 109.904 C5 C1 H13 110.145
C5 C2 H8 126.982 C5 C2 H14 126.904
C6 C1 H7 108.739 C6 C1 H13 110.756
C6 C3 H9 169.720 C6 C3 H15 84.244
H7 C1 H13 106.002 H8 C2 H14 106.114
H9 C3 H15 106.000 H10 C4 H16 106.002
H11 C5 H17 106.114 H12 C6 H18 106.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 C 0.011      
3 C -0.004      
4 C -0.004      
5 C 0.011      
6 C -0.004      
7 H 0.003      
8 H 0.000      
9 H -0.005      
10 H 0.003      
11 H 0.000      
12 H -0.005      
13 H -0.005      
14 H 0.000      
15 H 0.003      
16 H -0.005      
17 H 0.000      
18 H 0.003      


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 -0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.449 -0.106 0.000
y -0.106 -40.579 0.000
z 0.000 0.000 -39.871
Traceless
 xyz
x -0.224 -0.106 0.000
y -0.106 -0.419 0.000
z 0.000 0.000 0.644
Polar
3z2-r21.287
x2-y20.130
xy-0.106
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.952 0.044 0.000
y 0.044 10.007 0.000
z 0.000 0.000 8.824


<r2> (average value of r2) Å2
<r2> 165.871
(<r2>)1/2 12.879