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All results from a given calculation for C6H12 (Cyclohexane)

using model chemistry: CCD/6-31+G**

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

Conformer 2 (twist boat)

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-235.152654
Energy at 298.15K-235.167077
Nuclear repulsion energy256.244385
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 CCD/6-31+G**
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 3163 2981 117.25      
2 A 3151 2969 0.00      
3 A 3135 2955 10.14      
4 A 3107 2928 0.00      
5 A 3102 2923 65.39      
6 A 3096 2917 0.00      
7 A 1569 1479 0.00      
8 A 1553 1464 9.08      
9 A 1534 1445 0.00      
10 A 1431 1349 0.00      
11 A 1407 1326 0.05      
12 A 1374 1294 0.36      
13 A 1323 1246 0.00      
14 A 1298 1223 0.00      
15 A 1285 1211 0.33      
16 A 1090 1027 0.40      
17 A 1066 1004 0.00      
18 A 965 910 0.00      
19 A 926 873 0.00      
20 A 835 787 0.00      
21 A 801 754 1.14      
22 A 474 446 0.00      
23 A 436 411 0.05      
24 A 287 271 0.00      
25 A 133 126 0.04      
26 B 3156 2974 70.74      
27 B 3148 2967 57.12      
28 B 3137 2956 40.12      
29 B 3106 2927 74.39      
30 B 3093 2915 17.91      
31 B 3091 2913 35.26      
32 B 1550 1461 3.22      
33 B 1545 1455 2.32      
34 B 1535 1446 0.19      
35 B 1422 1340 1.28      
36 B 1421 1339 0.60      
37 B 1415 1334 0.51      
38 B 1332 1255 1.73      
39 B 1209 1140 1.94      
40 B 1178 1110 0.02      
41 B 1155 1088 0.01      
42 B 1129 1064 0.02      
43 B 1044 984 1.12      
44 B 901 849 1.44      
45 B 895 843 0.79      
46 B 779 734 0.85      
47 B 559 527 0.26      
48 B 235 221 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 38286.4 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 36077.3 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 CCD/6-31+G**
ABC
0.14700 0.13926 0.08518

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.218 -0.658 0.390
C2 0.000 1.521 -0.000
C3 1.218 -0.658 -0.390
C4 1.218 0.658 0.390
C5 -0.000 -1.521 -0.000
C6 -1.218 0.658 -0.390
H7 -1.191 -0.434 1.461
H8 -0.264 2.176 0.835
H9 2.143 -1.213 -0.216
H10 1.191 0.434 1.461
H11 0.264 -2.176 0.835
H12 -2.143 1.213 -0.216
H13 -2.143 -1.213 0.217
H14 0.264 2.176 -0.835
H15 1.191 -0.434 -1.461
H16 2.143 1.213 0.217
H17 -0.264 -2.176 -0.835
H18 -1.191 0.434 -1.461

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.52752.55862.76971.54321.53061.09463.02373.46042.85392.16792.17401.09233.42543.04693.85122.17122.1495
C22.52752.52741.54323.04281.54322.71601.09343.48112.17643.79992.17583.48111.09342.71592.17583.79972.1764
C32.55862.52741.53061.54322.76983.04683.42541.09232.14952.17133.85133.46043.02351.09462.17402.16792.8541
C42.76971.54321.53062.52752.55862.85392.16792.17401.09463.02373.46043.85122.17122.14951.09233.42543.0469
C51.54323.04281.54322.52752.52742.17643.79992.17582.71601.09343.48112.17583.79972.17643.48111.09342.7159
C61.53061.54322.76982.55862.52742.14952.17133.85133.04683.42541.09232.17402.16792.85413.46043.02351.0946
H71.09462.71603.04682.85392.17642.14952.83963.81282.53522.35512.53631.75013.76853.77023.92153.02763.0481
H83.02371.09343.42542.16793.79992.17132.83964.28832.35514.38452.35833.92441.75153.76842.66534.66153.0276
H93.46043.48111.09232.17402.17583.85133.81284.28832.53632.35834.92534.30783.92421.75012.46512.66553.9217
H102.85392.17642.14951.09462.71603.04682.53522.35512.53632.83963.81283.92153.02763.04811.75013.76853.7702
H112.16793.79992.17133.02371.09343.42542.35514.38452.35832.83964.28832.66534.66153.02763.92441.75153.7684
H122.17402.17583.85133.46043.48111.09232.53632.35834.92533.81284.28832.46512.66553.92174.30783.92421.7501
H131.09233.48113.46043.85122.17582.17401.75013.92444.30783.92152.66532.46514.28823.81304.92532.35832.5363
H143.42541.09343.02352.17123.79972.16793.76851.75153.92423.02764.66152.66554.28822.83922.35834.38392.3550
H153.04692.71591.09462.14952.17642.85413.77023.76841.75013.04813.02763.92173.81302.83922.53632.35502.5356
H163.85122.17582.17401.09233.48113.46043.92152.66532.46511.75013.92444.30784.92532.35832.53634.28823.8130
H172.17123.79972.16793.42541.09343.02353.02764.66152.66553.76851.75153.92422.35834.38392.35504.28822.8392
H182.14952.17642.85413.04692.71591.09463.04813.02763.92173.77023.76841.75012.53632.35502.53563.81302.8392

picture of Cyclohexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C2 55.997 C1 C5 H11 109.432
C1 C5 H17 109.694 C1 C6 C3 65.857
C1 C6 H12 110.859 C1 C6 H18 108.795
C2 C4 C3 110.625 C2 C4 H10 110.031
C2 C4 H16 110.118 C2 C5 H11 126.791
C2 C5 H17 126.771 C3 C4 H10 108.797
C3 C4 H16 110.860 C3 C6 H12 170.491
C3 C6 H18 83.146 C4 C2 C5 55.997
C4 C2 H8 109.432 C4 C2 H14 109.694
C4 C3 C6 65.857 C4 C3 H9 110.859
C4 C3 H15 108.795 C5 C1 C6 110.625
C5 C1 H7 110.031 C5 C1 H13 110.118
C5 C2 H8 126.791 C5 C2 H14 126.771
C6 C1 H7 108.797 C6 C1 H13 110.860
C6 C3 H9 170.491 C6 C3 H15 83.146
H7 C1 H13 106.311 H8 C2 H14 106.439
H9 C3 H15 106.311 H10 C4 H16 106.311
H11 C5 H17 106.439 H12 C6 H18 106.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability