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All results from a given calculation for C6H12 (Cyclohexane)

using model chemistry: CID/6-311G*

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/6-311G*
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (twist boat)

Jump to S1C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-234.959266
Energy at 298.15K-234.973826
Nuclear repulsion energy257.027355
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/6-311G*
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 3203 2976 139.87      
2 A 3188 2962 0.00      
3 A 3171 2946 9.59      
4 A 3152 2929 0.00      
5 A 3144 2921 57.06      
6 A 3137 2915 0.00      
7 A 1612 1498 0.00      
8 A 1596 1482 13.59      
9 A 1575 1463 0.00      
10 A 1473 1369 0.00      
11 A 1446 1343 0.21      
12 A 1410 1310 0.55      
13 A 1369 1272 0.00      
14 A 1342 1246 0.00      
15 A 1329 1235 0.47      
16 A 1115 1036 0.43      
17 A 1090 1013 0.00      
18 A 992 921 0.00      
19 A 953 885 0.00      
20 A 852 791 0.00      
21 A 820 761 2.54      
22 A 486 452 0.00      
23 A 446 414 0.28      
24 A 292 272 0.00      
25 A 133 123 0.04      
26 B 3195 2968 75.09      
27 B 3185 2959 63.97      
28 B 3173 2948 49.89      
29 B 3149 2926 76.42      
30 B 3134 2912 16.74      
31 B 3133 2911 31.75      
32 B 1591 1478 5.46      
33 B 1586 1474 4.46      
34 B 1575 1463 0.49      
35 B 1461 1358 0.44      
36 B 1459 1356 0.09      
37 B 1457 1354 0.00      
38 B 1379 1281 2.21      
39 B 1244 1156 2.13      
40 B 1216 1129 0.16      
41 B 1180 1096 0.03      
42 B 1170 1087 0.02      
43 B 1072 996 1.92      
44 B 922 856 2.12      
45 B 916 851 1.37      
46 B 797 741 1.55      
47 B 574 533 0.51      
48 B 242 225 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 39066.7 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 36296.9 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 CID/6-311G*
ABC
0.14793 0.14009 0.08558

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.215 -0.657 0.386
C2 0.000 1.517 -0.000
C3 1.215 -0.658 -0.386
C4 1.215 0.657 0.386
C5 -0.000 -1.517 -0.000
C6 -1.215 0.658 -0.386
H7 -1.193 -0.439 1.454
H8 -0.260 2.171 0.831
H9 2.137 -1.210 -0.210
H10 1.193 0.439 1.454
H11 0.260 -2.171 0.831
H12 -2.137 1.210 -0.210
H13 -2.137 -1.210 0.210
H14 0.261 2.171 -0.832
H15 1.193 -0.439 -1.454
H16 2.137 1.210 0.210
H17 -0.261 -2.171 -0.832
H18 -1.193 0.439 -1.454

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.52112.55032.76341.53781.52511.09053.01883.44912.85322.16032.16611.08883.41493.03893.84112.16472.1424
C22.52112.52101.53783.03441.53792.71381.08963.47092.16803.79012.16903.47101.08962.71362.16893.78962.1681
C32.55032.52101.52511.53792.76363.03863.41501.08882.14242.16483.84133.44923.01831.09052.16612.16032.8537
C42.76341.53781.52512.52112.55032.85322.16032.16611.09053.01883.44913.84112.16472.14241.08883.41493.0389
C51.53783.03441.53792.52112.52102.16803.79012.16902.71381.08963.47092.16893.78962.16813.47101.08962.7136
C61.52511.53792.76362.55032.52102.14242.16483.84133.03863.41501.08882.16612.16032.85373.44923.01831.0905
H71.09052.71383.03862.85322.16802.14242.84103.80112.54162.34522.52571.74193.76173.76183.91813.01603.0381
H83.01881.08963.41502.16033.79012.16482.84104.27352.34524.37392.35163.91681.74323.76162.65634.65003.0159
H93.44913.47091.08882.16612.16903.84133.80114.27352.52572.35164.91124.29413.91631.74192.45602.65663.9186
H102.85322.16802.14241.09052.71383.03862.54162.34522.52572.84103.80113.91813.01603.03811.74193.76173.7618
H112.16033.79012.16483.01881.08963.41502.34524.37392.35162.84104.27352.65634.65003.01593.91681.74323.7616
H122.16612.16903.84133.44913.47091.08882.52572.35164.91123.80114.27352.45602.65663.91864.29413.91631.7419
H131.08883.47103.44923.84112.16892.16611.74193.91684.29413.91812.65632.45604.27343.80164.91112.35162.5257
H143.41491.08963.01832.16473.78962.16033.76171.74323.91633.01604.65002.65664.27342.84022.35164.37272.3450
H153.03892.71361.09052.14242.16812.85373.76183.76161.74193.03813.01593.91863.80162.84022.52572.34502.5424
H163.84112.16892.16611.08883.47103.44923.91812.65632.45601.74193.91684.29414.91112.35162.52574.27343.8016
H172.16473.78962.16033.41491.08963.01833.01604.65002.65663.76171.74323.91632.35164.37272.34504.27342.8402
H182.14242.16812.85373.03892.71361.09053.03813.01593.91863.76183.76161.74192.52572.34502.54243.80162.8402

picture of Cyclohexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 56.015 C1 C5 H11 109.426
C1 C5 H17 109.774 C1 C6 C3 65.770
C1 C6 H12 110.824 C1 C6 H18 108.850
C2 C4 C3 110.784 C2 C4 H10 109.984
C2 C4 H16 110.155 C2 C5 H11 126.899
C2 C5 H17 126.857 C3 C4 H10 108.853
C3 C4 H16 110.824 C3 C6 H12 170.340
C3 C6 H18 83.489 C4 C2 C5 56.015
C4 C2 H8 109.426 C4 C2 H14 109.774
C4 C3 C6 65.770 C4 C3 H9 110.824
C4 C3 H15 108.850 C5 C1 C6 110.784
C5 C1 H7 109.984 C5 C1 H13 110.155
C5 C2 H8 126.899 C5 C2 H14 126.857
C6 C1 H7 108.853 C6 C1 H13 110.824
C6 C3 H9 170.340 C6 C3 H15 83.489
H7 C1 H13 106.127 H8 C2 H14 106.244
H9 C3 H15 106.128 H10 C4 H16 106.127
H11 C5 H17 106.244 H12 C6 H18 106.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability