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

using model chemistry: MP2=FULL/6-311G**

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 MP2=FULL/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-235.246844
Energy at 298.15K-235.260385
HF Energy-234.225613
Nuclear repulsion energy250.478025
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 MP2=FULL/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' 3161 2998 81.78      
2 A' 3156 2994 27.39      
3 A' 3150 2988 20.08      
4 A' 3108 2948 21.03      
5 A' 3103 2944 16.01      
6 A' 3083 2925 4.67      
7 A' 3067 2909 24.73      
8 A' 3064 2906 27.71      
9 A' 1522 1444 10.36      
10 A' 1515 1437 2.65      
11 A' 1511 1434 2.42      
12 A' 1426 1353 10.72      
13 A' 1424 1351 1.87      
14 A' 1396 1325 0.47      
15 A' 1379 1308 7.71      
16 A' 1287 1221 4.04      
17 A' 1268 1203 0.75      
18 A' 1216 1153 0.07      
19 A' 1166 1106 0.34      
20 A' 1068 1013 0.19      
21 A' 978 928 0.63      
22 A' 972 922 0.96      
23 A' 880 835 0.62      
24 A' 824 781 0.87      
25 A' 652 618 1.90      
26 A' 442 419 0.03      
27 A' 335 317 0.11      
28 A' 135 128 0.02      
29 A" 3156 2994 29.79      
30 A" 3154 2992 23.60      
31 A" 3149 2987 11.95      
32 A" 3081 2923 62.45      
33 A" 1514 1436 4.09      
34 A" 1512 1434 0.74      
35 A" 1488 1412 4.49      
36 A" 1303 1236 0.11      
37 A" 1279 1213 0.00      
38 A" 1237 1174 0.02      
39 A" 1151 1092 0.17      
40 A" 1143 1085 0.07      
41 A" 1005 953 2.59      
42 A" 928 880 0.02      
43 A" 920 873 0.11      
44 A" 822 780 0.20      
45 A" 374 355 0.00      
46 A" 263 250 0.08      
47 A" 253 240 0.00      
48 A" 236 224 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 37127.3 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 35218.9 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 MP2=FULL/6-311G**
ABC
0.25358 0.07837 0.07218

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.303 0.118 1.074
C2 0.303 0.118 -1.074
C3 -0.679 0.650 0.000
C4 0.916 -0.817 0.000
C5 -1.028 2.126 0.000
C6 0.303 -2.210 0.000
H7 1.008 0.904 1.368
H8 -0.115 -0.347 1.972
H9 1.008 0.904 -1.368
H10 -0.115 -0.347 -1.972
H11 -1.592 0.046 0.000
H12 2.008 -0.890 0.000
H13 -0.115 2.731 0.000
H14 -0.791 -2.158 0.000
H15 -1.613 2.394 -0.886
H16 -1.613 2.394 0.886
H17 0.612 -2.772 -0.887
H18 0.612 -2.772 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.14741.54911.55022.63742.56381.09561.09492.65983.10972.17902.25332.85522.74373.56252.98063.50632.9128
C22.14741.54911.55022.63742.56382.65983.10971.09561.09492.17902.25332.85522.74372.98063.56252.91283.5063
C31.54911.54912.16711.51633.02412.18622.28132.18622.28131.09513.09712.15502.81022.16762.16763.76403.7640
C41.55021.55022.16713.52711.52202.19982.27452.19982.27452.65201.09473.69432.17034.18224.18222.16832.1683
C52.63742.63741.51633.52714.53562.74073.29272.74073.29272.15504.27971.09514.29001.09511.09515.24115.2411
C62.56382.56383.02411.52204.53563.47302.74493.47302.74492.94592.15654.95811.09495.06485.06481.09491.0949
H71.09562.65982.18622.19982.74073.47301.78622.73553.73923.06022.46732.54373.80473.76443.05304.33023.7279
H81.09493.10972.28132.27453.29272.74491.78623.73923.94492.49542.94823.65562.76134.23473.30743.81912.7543
H92.65981.09562.18622.19982.74073.47302.73553.73921.78623.06022.46732.54373.80473.05303.76443.72794.3302
H103.10971.09492.28132.27453.29272.74493.73923.94491.78622.49542.94823.65562.76133.30744.23472.75433.8191
H112.17902.17901.09512.65202.15502.94593.06022.49543.06022.49543.71963.06392.34452.51012.51013.68603.6860
H122.25332.25333.09711.09474.27972.15652.46732.94822.46732.94823.71964.19723.07264.96804.96802.50552.5055
H132.85522.85522.15503.69431.09514.95812.54373.65562.54373.65563.06394.19724.93451.77231.77235.62105.6210
H142.74372.74372.81022.17034.29001.09493.80472.76133.80472.76132.34453.07264.93454.70954.70951.77021.7702
H153.56252.98062.16764.18221.09515.06483.76444.23473.05303.30742.51014.96801.77234.70951.77305.62505.8980
H162.98063.56252.16764.18221.09515.06483.05303.30743.76444.23472.51014.96801.77234.70951.77305.89805.6250
H173.50632.91283.76402.16835.24111.09494.33023.81913.72792.75433.68602.50555.62101.77025.62505.89801.7742
H182.91283.50633.76402.16835.24111.09493.72792.75434.33023.81913.68602.50555.62101.77025.89805.62501.7742

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 87.755 C1 C3 C5 118.717
C1 C3 H11 109.794 C1 C4 C2 87.677
C1 C4 C6 113.129 C1 C4 H12 115.773
C2 C3 C5 118.717 C2 C3 H11 109.794
C2 C4 C6 113.129 C2 C4 H12 115.773
C3 C1 C4 88.727 C3 C1 H7 110.335
C3 C1 H8 118.253 C3 C2 C4 88.727
C3 C2 H9 110.335 C3 C2 H10 118.253
C3 C5 H13 110.179 C3 C5 H15 111.187
C3 C5 H16 111.187 C4 C1 H7 111.335
C4 C1 H8 117.577 C4 C2 H9 111.335
C4 C2 H10 117.577 C4 C6 H14 111.010
C4 C6 H17 110.855 C4 C6 H18 110.855
C5 C3 H11 110.176 C6 C4 H12 109.932
H7 C1 H8 109.259 H9 C2 H10 109.259
H13 C5 H15 108.033 H13 C5 H16 108.033
H14 C6 H17 107.880 H14 C6 H18 107.880
H15 C5 H16 108.101 H17 C6 H18 108.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability