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

using model chemistry: MP2=FULL/aug-cc-pVDZ

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

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-235.104600
Energy at 298.15K-235.118050
HF Energy-234.193097
Nuclear repulsion energy249.306205
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/aug-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' 3148 3051 90.60      
2 A' 3143 3046 27.64      
3 A' 3138 3041 15.42      
4 A' 3100 3005 24.60      
5 A' 3093 2997 13.01      
6 A' 3071 2976 5.57      
7 A' 3051 2957 27.75      
8 A' 3048 2954 30.77      
9 A' 1496 1450 9.36      
10 A' 1489 1443 2.49      
11 A' 1485 1440 2.23      
12 A' 1396 1353 10.03      
13 A' 1395 1352 0.80      
14 A' 1371 1328 0.30      
15 A' 1351 1309 8.22      
16 A' 1258 1219 3.78      
17 A' 1246 1208 0.36      
18 A' 1197 1161 0.08      
19 A' 1152 1117 0.38      
20 A' 1051 1019 0.36      
21 A' 958 929 0.47      
22 A' 955 926 0.95      
23 A' 866 840 0.50      
24 A' 810 785 0.75      
25 A' 647 627 1.77      
26 A' 435 421 0.02      
27 A' 328 318 0.11      
28 A' 129 125 0.02      
29 A" 3145 3048 32.52      
30 A" 3142 3045 15.31      
31 A" 3139 3043 20.52      
32 A" 3069 2974 68.38      
33 A" 1487 1442 3.63      
34 A" 1486 1440 0.62      
35 A" 1461 1416 4.30      
36 A" 1275 1235 0.13      
37 A" 1257 1218 0.01      
38 A" 1211 1174 0.02      
39 A" 1133 1098 0.18      
40 A" 1124 1089 0.01      
41 A" 984 954 2.07      
42 A" 912 884 0.02      
43 A" 902 874 0.20      
44 A" 803 778 0.07      
45 A" 368 356 0.00      
46 A" 262 253 0.05      
47 A" 252 244 0.00      
48 A" 233 225 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 36724.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 35593.2 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/aug-cc-pVDZ
ABC
0.25154 0.07778 0.07152

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.114 1.081
C2 0.298 0.114 -1.081
C3 -0.683 0.657 0.000
C4 0.916 -0.824 0.000
C5 -1.011 2.142 0.000
C6 0.298 -2.220 0.000
H7 1.007 0.901 1.384
H8 -0.126 -0.358 1.980
H9 1.007 0.901 -1.384
H10 -0.126 -0.358 -1.980
H11 -1.610 0.063 0.000
H12 2.014 -0.896 0.000
H13 -0.083 2.738 0.000
H14 -0.802 -2.163 0.000
H15 -1.595 2.422 -0.891
H16 -1.595 2.422 0.891
H17 0.607 -2.788 -0.892
H18 0.607 -2.788 0.892

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.16101.55711.55822.64492.57201.10201.10132.68283.12602.19382.26532.86322.75033.57762.99133.52252.9245
C22.16101.55711.55822.64492.57202.68283.12601.10201.10132.19382.26532.86322.75032.99133.57762.92453.5225
C31.55711.55712.17901.52093.03992.19772.29412.19772.29411.10173.11202.16512.82322.17742.17743.78533.7853
C41.55821.55822.17903.53681.52662.21382.28552.21382.28552.67721.10093.69912.17834.19924.19922.17942.1794
C52.64492.64491.52093.53684.55452.74353.31032.74353.31032.16384.28731.10224.31081.10181.10185.26515.2651
C62.57202.57203.03991.52664.55453.48742.75083.48742.75082.97602.16744.97261.10185.09195.09191.10161.1016
H71.10202.68282.19772.21382.74353.48741.79622.76853.76713.07712.48222.54503.81863.77633.05394.35373.7438
H81.10133.12602.29412.28553.31032.75081.79623.76713.96062.51042.96513.67572.76334.25843.32793.83282.7613
H92.68281.10202.19772.21382.74353.48742.76853.76711.79623.07712.48222.54503.81863.05393.77633.74384.3537
H103.12601.10132.29412.28553.31032.75083.76713.96061.79622.51042.96513.67572.76333.32794.25842.76133.8328
H112.19382.19381.10172.67722.16382.97603.07712.51043.07712.51043.74933.07982.36882.52142.52143.72043.7204
H122.26532.26533.11201.10094.28732.16742.48222.96512.48222.96513.74934.19573.08844.98304.98302.52142.5214
H132.86322.86322.16513.69911.10224.97262.54503.67572.54503.67573.07984.19574.95361.78331.78335.63995.6399
H142.75032.75032.82322.17834.31081.10183.81862.76333.81862.76332.36883.08844.95364.73794.73791.78061.7806
H153.57762.99132.17744.19921.10185.09193.77634.25843.05393.32792.52144.98301.78334.73791.78235.65635.9307
H162.99133.57762.17744.19921.10185.09193.05393.32793.77634.25842.52144.98301.78334.73791.78235.93075.6563
H173.52252.92453.78532.17945.26511.10164.35373.83283.74382.76133.72042.52145.63991.78065.65635.93071.7840
H182.92453.52253.78532.17945.26511.10163.74382.76134.35373.83283.72042.52145.63991.78065.93075.65631.7840

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 87.880 C1 C3 C5 118.467
C1 C3 H11 110.019 C1 C4 C2 87.803
C1 C4 C6 112.967 C1 C4 H12 115.769
C2 C3 C5 118.467 C2 C3 H11 110.019
C2 C4 C6 112.967 C2 C4 H12 115.769
C3 C1 C4 88.762 C3 C1 H7 110.298
C3 C1 H8 118.283 C3 C2 C4 88.762
C3 C2 H9 110.298 C3 C2 H10 118.283
C3 C5 H13 110.242 C3 C5 H15 111.238
C3 C5 H16 111.238 C4 C1 H7 111.496
C4 C1 H8 117.456 C4 C2 H9 111.496
C4 C2 H10 117.456 C4 C6 H14 110.905
C4 C6 H17 111.007 C4 C6 H18 111.007
C5 C3 H11 110.165 C6 C4 H12 110.100
H7 C1 H8 109.216 H9 C2 H10 109.216
H13 C5 H15 108.019 H13 C5 H16 108.019
H14 C6 H17 107.823 H14 C6 H18 107.823
H15 C5 H16 107.959 H17 C6 H18 108.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability