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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-235.155815
Energy at 298.15K-235.169353
HF Energy-234.208750
Nuclear repulsion energy250.391700
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' 3159 2992 75.60      
2 A' 3154 2987 31.18      
3 A' 3146 2979 27.32      
4 A' 3103 2939 17.11      
5 A' 3098 2934 21.00      
6 A' 3080 2917 4.65      
7 A' 3067 2904 24.99      
8 A' 3063 2901 27.54      
9 A' 1543 1462 12.90      
10 A' 1535 1454 1.47      
11 A' 1532 1451 5.78      
12 A' 1446 1370 16.09      
13 A' 1442 1366 2.67      
14 A' 1413 1338 0.67      
15 A' 1393 1319 6.39      
16 A' 1293 1225 7.12      
17 A' 1276 1208 0.63      
18 A' 1223 1158 0.16      
19 A' 1171 1109 0.22      
20 A' 1072 1016 0.09      
21 A' 984 932 1.11      
22 A' 973 922 1.06      
23 A' 884 838 0.96      
24 A' 826 782 1.36      
25 A' 654 619 2.14      
26 A' 446 422 0.06      
27 A' 336 318 0.15      
28 A' 132 125 0.02      
29 A" 3154 2987 29.32      
30 A" 3152 2985 24.46      
31 A" 3144 2978 11.26      
32 A" 3078 2915 67.08      
33 A" 1533 1452 5.16      
34 A" 1532 1451 1.30      
35 A" 1510 1430 7.88      
36 A" 1310 1241 0.05      
37 A" 1286 1218 0.01      
38 A" 1240 1175 0.02      
39 A" 1158 1097 0.42      
40 A" 1151 1090 0.13      
41 A" 1009 956 3.89      
42 A" 931 882 0.01      
43 A" 923 874 0.07      
44 A" 824 780 0.35      
45 A" 377 357 0.01      
46 A" 264 250 0.15      
47 A" 253 239 0.01      
48 A" 237 225 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 37253.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 35283.1 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
0.25480 0.07816 0.07188

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 0.297 0.113 1.074
C2 0.297 0.113 -1.074
C3 -0.675 0.661 0.000
C4 0.906 -0.824 0.000
C5 -1.007 2.139 0.000
C6 0.297 -2.217 0.000
H7 1.008 0.888 1.382
H8 -0.131 -0.351 1.969
H9 1.008 0.888 -1.382
H10 -0.131 -0.351 -1.969
H11 -1.597 0.069 0.000
H12 1.999 -0.894 0.000
H13 -0.089 2.735 0.000
H14 -0.796 -2.171 0.000
H15 -1.588 2.416 -0.885
H16 -1.588 2.416 0.885
H17 0.607 -2.780 -0.885
H18 0.607 -2.780 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.14801.54841.55012.63752.56601.09531.09502.67153.10732.17792.25092.85952.75073.56262.98183.50832.9165
C22.14801.54841.55012.63752.56602.67153.10731.09531.09502.17792.25092.85952.75072.98183.56262.91653.5083
C31.54841.54842.16871.51533.03742.18942.27932.18942.27931.09543.09342.15602.83422.16762.16763.77733.7773
C41.55011.55012.16873.52661.52072.20212.27452.20212.27452.65791.09533.69552.17094.18334.18332.16822.1682
C52.63752.63751.51533.52664.54712.74473.29312.74473.29312.15244.27041.09434.31531.09441.09445.25265.2526
C62.56602.56603.03741.52074.54713.47192.74573.47192.74572.96912.15574.96741.09395.07965.07961.09411.0941
H71.09532.67152.18942.20212.74473.47191.78182.76423.74943.06032.46352.55473.81043.76993.05294.33063.7230
H81.09503.10732.27932.27453.29312.74571.78183.74943.93702.49052.95063.66122.76204.23373.31013.81942.7602
H92.67151.09532.18942.20212.74473.47192.76423.74941.78183.06032.46352.55473.81043.05293.76993.72304.3306
H103.10731.09502.27932.27453.29312.74573.74943.93701.78182.49052.95063.66122.76203.31014.23372.76023.8194
H112.17792.17791.09542.65792.15242.96913.06032.49053.06032.49053.72333.06312.37942.50822.50823.71023.7102
H122.25092.25093.09341.09534.27042.15572.46352.95062.46352.95063.72334.18743.07294.96084.96082.50542.5054
H132.85952.85952.15603.69551.09434.96742.55473.66122.55473.66123.06314.18744.95711.76961.76965.62955.6295
H142.75072.75072.83422.17094.31531.09393.81042.76203.81042.76202.37943.07294.95714.73854.73851.76771.7677
H153.56262.98182.16764.18331.09445.07963.76994.23373.05293.31012.50824.96081.76964.73851.76975.64135.9124
H162.98183.56262.16764.18331.09445.07963.05293.31013.76994.23372.50824.96081.76964.73851.76975.91245.6413
H173.50832.91653.77732.16825.25261.09414.33063.81943.72302.76023.71022.50545.62951.76775.64135.91241.7702
H182.91653.50833.77732.16825.25261.09413.72302.76024.33063.81943.71022.50545.62951.76775.91245.64131.7702

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 87.831 C1 C3 C5 118.826
C1 C3 H11 109.738 C1 C4 C2 87.715
C1 C4 C6 113.356 C1 C4 H12 115.546
C2 C3 C5 118.826 C2 C3 H11 109.738
C2 C4 C6 113.356 C2 C4 H12 115.546
C3 C1 C4 88.842 C3 C1 H7 110.651
C3 C1 H8 118.129 C3 C2 C4 88.842
C3 C2 H9 110.651 C3 C2 H10 118.129
C3 C5 H13 110.375 C3 C5 H15 111.300
C3 C5 H16 111.300 C4 C1 H7 111.543
C4 C1 H8 117.577 C4 C2 H9 111.543
C4 C2 H10 117.577 C4 C6 H14 111.204
C4 C6 H17 110.976 C4 C6 H18 110.976
C5 C3 H11 110.028 C6 C4 H12 109.916
H7 C1 H8 108.883 H9 C2 H10 108.883
H13 C5 H15 107.907 H13 C5 H16 107.907
H14 C6 H17 107.775 H14 C6 H18 107.775
H15 C5 H16 107.911 H17 C6 H18 107.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability