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

using model chemistry: MP2=FULL/cc-pVTZ

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

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-235.390488
Energy at 298.15K-235.404043
HF Energy-234.248962
Nuclear repulsion energy252.156684
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/cc-pVTZ
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' 3156 2996 79.05      
2 A' 3151 2991 23.43      
3 A' 3145 2986 14.96      
4 A' 3117 2960 20.36      
5 A' 3108 2951 8.52      
6 A' 3093 2937 4.85      
7 A' 3078 2922 22.38      
8 A' 3073 2918 25.87      
9 A' 1526 1449 9.80      
10 A' 1519 1443 4.51      
11 A' 1513 1437 0.98      
12 A' 1419 1347 11.95      
13 A' 1417 1345 1.12      
14 A' 1394 1324 0.01      
15 A' 1376 1306 7.63      
16 A' 1280 1215 4.89      
17 A' 1268 1204 0.82      
18 A' 1214 1153 0.10      
19 A' 1165 1106 0.29      
20 A' 1067 1013 0.32      
21 A' 975 925 0.95      
22 A' 970 921 0.87      
23 A' 880 835 0.62      
24 A' 823 782 0.99      
25 A' 652 619 1.96      
26 A' 437 415 0.03      
27 A' 333 316 0.13      
28 A' 130 123 0.02      
29 A" 3154 2994 26.22      
30 A" 3150 2991 16.72      
31 A" 3146 2987 17.15      
32 A" 3092 2936 55.73      
33 A" 1519 1443 4.70      
34 A" 1518 1441 0.16      
35 A" 1490 1414 4.83      
36 A" 1303 1237 0.08      
37 A" 1289 1224 0.00      
38 A" 1233 1171 0.02      
39 A" 1153 1095 0.31      
40 A" 1142 1085 0.00      
41 A" 1007 956 2.91      
42 A" 926 879 0.01      
43 A" 918 871 0.11      
44 A" 821 780 0.13      
45 A" 373 355 0.00      
46 A" 268 255 0.07      
47 A" 260 247 0.01      
48 A" 241 229 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 37141.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 35261.8 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/cc-pVTZ
ABC
0.25680 0.07952 0.07317

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.115 1.069
C2 0.298 0.115 -1.069
C3 -0.676 0.646 0.000
C4 0.911 -0.812 0.000
C5 -1.012 2.114 0.000
C6 0.298 -2.194 0.000
H7 0.993 0.897 1.363
H8 -0.116 -0.350 1.958
H9 0.993 0.897 -1.363
H10 -0.116 -0.350 -1.958
H11 -1.585 0.052 0.000
H12 1.994 -0.885 0.000
H13 -0.100 2.706 0.000
H14 -0.787 -2.134 0.000
H15 -1.589 2.388 -0.880
H16 -1.589 2.388 0.880
H17 0.600 -2.755 -0.881
H18 0.600 -2.755 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.13761.54091.54172.61832.54441.08691.08582.64773.09032.16662.23972.83132.71583.53932.96073.48262.8920
C22.13761.54091.54172.61832.54442.64773.09031.08691.08582.16662.23972.83132.71582.96073.53932.89203.4826
C31.54091.54092.15541.50583.00282.16992.26732.16992.26731.08603.07782.13932.78192.15452.15453.73813.7381
C41.54171.54172.15543.50131.51192.18782.25882.18782.25882.64171.08533.66052.15194.15514.15512.15602.1560
C52.61832.61831.50583.50134.50302.71293.27252.71293.27252.14014.24581.08764.25351.08721.08725.20425.2042
C62.54442.54443.00281.51194.50303.44922.72133.44922.72132.93162.14254.91651.08725.03335.03331.08681.0868
H71.08692.64772.16992.18782.71293.44921.77192.72683.71733.03662.45662.51523.77003.73123.02064.30463.7050
H81.08583.09032.26732.25883.27252.72131.77193.71733.91622.48092.92783.63002.73214.20973.29113.78872.7309
H92.64771.08692.16992.18782.71293.44922.72683.71731.77193.03662.45662.51523.77003.02063.73123.70504.3046
H103.09031.08582.26732.25883.27252.72133.71733.91621.77192.48092.92783.63002.73213.29114.20972.73093.7887
H112.16662.16661.08602.64172.14012.93163.03662.48093.03662.48093.69983.04162.32692.49622.49623.66503.6650
H122.23972.23973.07781.08534.24582.14252.45662.92782.45662.92783.69984.15663.04874.93174.93172.49362.4936
H132.83132.83132.13933.66051.08764.91652.51523.63002.51523.63003.04164.15664.88841.75861.75865.57615.5761
H142.71582.71582.78192.15194.25351.08723.77002.73213.77002.73212.32693.04874.88844.67584.67581.75661.7566
H153.53932.96072.15454.15511.08725.03333.73124.20973.02063.29112.49624.93171.75864.67581.75955.58985.8605
H162.96073.53932.15454.15511.08725.03333.02063.29113.73124.20972.49624.93171.75864.67581.75955.86055.5898
H173.48262.89203.73812.15605.20421.08684.30463.78873.70502.73093.66502.49365.57611.75665.58985.86051.7611
H182.89203.48263.73812.15605.20421.08683.70502.73094.30463.78873.66502.49365.57611.75665.86055.58981.7611

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 87.837 C1 C3 C5 118.496
C1 C3 H11 109.930 C1 C4 C2 87.777
C1 C4 C6 112.862 C1 C4 H12 115.899
C2 C3 C5 118.496 C2 C3 H11 109.930
C2 C4 C6 112.862 C2 C4 H12 115.899
C3 C1 C4 88.728 C3 C1 H7 110.129
C3 C1 H8 118.323 C3 C2 C4 88.728
C3 C2 H9 110.129 C3 C2 H10 118.323
C3 C5 H13 110.111 C3 C5 H15 111.356
C3 C5 H16 111.356 C4 C1 H7 111.500
C4 C1 H8 117.514 C4 C2 H9 111.500
C4 C2 H10 117.514 C4 C6 H14 110.712
C4 C6 H17 111.073 C4 C6 H18 111.073
C5 C3 H11 110.278 C6 C4 H12 110.073
H7 C1 H8 109.285 H9 C2 H10 109.285
H13 C5 H15 107.927 H13 C5 H16 107.927
H14 C6 H17 107.807 H14 C6 H18 107.807
H15 C5 H16 108.028 H17 C6 H18 108.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability