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All results from a given calculation for C6H12 ((1r,3r)-1,3-dimethylcyclobutane)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A'

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at CCD/6-31G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-235.120079
Energy at 298.15K-235.133636
HF Energy-234.188630
Nuclear repulsion energy250.078004
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/6-31G**
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' 3192 2993 98.40      
2 A' 3188 2989 24.48      
3 A' 3181 2983 23.37      
4 A' 3140 2944 24.14      
5 A' 3128 2933 14.76      
6 A' 3122 2928 7.38      
7 A' 3106 2912 26.40      
8 A' 3103 2909 24.99      
9 A' 1567 1469 5.47      
10 A' 1559 1462 0.50      
11 A' 1557 1460 3.64      
12 A' 1474 1382 5.24      
13 A' 1472 1381 0.27      
14 A' 1435 1346 1.10      
15 A' 1421 1332 8.50      
16 A' 1330 1247 1.21      
17 A' 1291 1211 0.61      
18 A' 1241 1164 0.05      
19 A' 1176 1102 0.38      
20 A' 1083 1015 0.18      
21 A' 993 931 0.74      
22 A' 986 924 0.52      
23 A' 892 836 0.60      
24 A' 830 778 0.58      
25 A' 664 623 1.52      
26 A' 444 416 0.03      
27 A' 335 314 0.08      
28 A' 120 113 0.01      
29 A" 3190 2991 35.80      
30 A" 3188 2989 27.88      
31 A" 3181 2982 10.11      
32 A" 3121 2926 61.15      
33 A" 1559 1462 2.23      
34 A" 1558 1461 0.01      
35 A" 1538 1442 1.46      
36 A" 1347 1263 0.58      
37 A" 1319 1236 0.00      
38 A" 1279 1200 0.04      
39 A" 1179 1106 0.21      
40 A" 1169 1096 0.06      
41 A" 1024 960 1.88      
42 A" 939 881 0.02      
43 A" 934 876 0.12      
44 A" 835 783 0.18      
45 A" 379 355 0.00      
46 A" 264 247 0.07      
47 A" 253 238 0.00      
48 A" 239 224 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37762.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 35405.6 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/6-31G**
ABC
0.25706 0.07763 0.07114

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.276 0.100 1.079
C2 0.276 0.100 -1.079
C3 -0.669 0.688 0.000
C4 0.873 -0.843 0.000
C5 -0.928 2.185 0.000
C6 0.276 -2.244 0.000
H7 1.001 0.839 1.425
H8 -0.184 -0.370 1.950
H9 1.001 0.839 -1.425
H10 -0.184 -0.370 -1.950
H11 -1.621 0.151 0.000
H12 1.963 -0.911 0.000
H13 0.015 2.736 0.000
H14 -0.815 -2.204 0.000
H15 -1.494 2.486 -0.883
H16 -1.494 2.486 0.883
H17 0.591 -2.801 -0.884
H18 0.591 -2.801 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.15721.54981.55182.63812.58011.09211.09162.70933.09892.18292.24262.86032.76833.56062.97773.51692.9247
C22.15721.54981.55182.63812.58012.70933.09891.09211.09162.18292.24262.86032.76832.97773.56062.92473.5169
C31.54981.54982.17251.51913.08032.20062.27032.20062.27031.09303.07902.15932.89582.16692.16693.81353.8135
C41.55181.55182.17253.52251.52292.20832.26782.20832.26782.68471.09193.68042.16874.17924.17922.16742.1674
C52.63812.63811.51913.52254.58942.74993.29842.74993.29842.14844.23531.09194.39041.09181.09185.28675.2867
C62.58012.58013.08031.52294.58943.47322.74323.47322.74323.05552.14984.98691.09215.12725.12721.09151.0915
H71.09212.70932.20062.20832.74993.47321.77312.84993.77583.06282.45312.56943.82023.77733.03864.33083.7035
H81.09163.09892.27032.26783.29842.74321.77313.77583.89932.47712.95033.67262.75024.23063.31803.81362.7656
H92.70931.09212.20062.20832.74993.47322.84993.77581.77313.06282.45312.56943.82023.03863.77733.70354.3308
H103.09891.09162.27032.26783.29842.74323.77583.89931.77312.47712.95033.67262.75023.31804.23062.76563.8136
H112.18292.18291.09302.68472.14843.05553.06282.47713.06282.47713.73773.05892.48942.49972.49973.79363.7936
H122.24262.24263.07901.09194.23532.14982.45312.95032.45312.95033.73774.13463.06434.92644.92642.49762.4976
H132.86032.86032.15933.68041.09194.98692.56943.67262.56943.67263.05894.13465.00961.76621.76625.63725.6372
H142.76832.76832.89582.16874.39041.09213.82022.75023.82022.75022.48943.06435.00964.82094.82091.76501.7650
H153.56062.97772.16694.17921.09185.12723.77734.23063.03863.31802.49974.92641.76624.82091.76685.68385.9523
H162.97773.56062.16694.17921.09185.12723.03863.31803.77734.23062.49974.92641.76624.82091.76685.95235.6838
H173.51692.92473.81352.16745.28671.09154.33083.81363.70352.76563.79362.49765.63721.76505.68385.95231.7683
H182.92473.51693.81352.16745.28671.09153.70352.76564.33083.81363.79362.49765.63721.76505.95235.68381.7683

picture of (1r,3r)-1,3-dimethylcyclobutane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C2 88.204 C1 C3 C5 118.540
C1 C3 H11 110.175 C1 C4 C2 88.065
C1 C4 C6 114.093 C1 C4 H12 114.938
C2 C3 C5 118.540 C2 C3 H11 110.175
C2 C4 C6 114.093 C2 C4 H12 114.938
C3 C1 C4 88.922 C3 C1 H7 111.636
C3 C1 H8 117.469 C3 C2 C4 88.922
C3 C2 H9 111.636 C3 C2 H10 117.469
C3 C5 H13 110.513 C3 C5 H15 111.131
C3 C5 H16 111.131 C4 C1 H7 112.111
C4 C1 H8 117.096 C4 C2 H9 112.111
C4 C2 H10 117.096 C4 C6 H14 110.984
C4 C6 H17 110.911 C4 C6 H18 110.911
C5 C3 H11 109.588 C6 C4 H12 109.498
H7 C1 H8 108.576 H9 C2 H10 108.576
H13 C5 H15 107.959 H13 C5 H16 107.959
H14 C6 H17 107.856 H14 C6 H18 107.856
H15 C5 H16 108.019 H17 C6 H18 108.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability