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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-235.019941
Energy at 298.15K-235.033464
HF Energy-234.169040
Nuclear repulsion energy249.528112
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' 3146 2977 87.60      
2 A' 3142 2974 23.40      
3 A' 3134 2966 25.35      
4 A' 3096 2930 22.44      
5 A' 3084 2919 13.16      
6 A' 3079 2914 7.15      
7 A' 3065 2901 24.26      
8 A' 3063 2899 22.31      
9 A' 1559 1476 5.85      
10 A' 1550 1467 1.43      
11 A' 1548 1465 5.76      
12 A' 1468 1389 9.40      
13 A' 1466 1388 0.72      
14 A' 1432 1356 0.77      
15 A' 1419 1343 7.15      
16 A' 1323 1252 1.94      
17 A' 1286 1217 0.53      
18 A' 1238 1172 0.10      
19 A' 1175 1112 0.25      
20 A' 1083 1025 0.12      
21 A' 990 937 1.03      
22 A' 983 930 0.69      
23 A' 892 844 1.00      
24 A' 829 785 0.98      
25 A' 665 629 1.71      
26 A' 447 423 0.06      
27 A' 337 319 0.11      
28 A' 118 112 0.01      
29 A" 3145 2977 31.78      
30 A" 3142 2974 25.53      
31 A" 3133 2965 10.46      
32 A" 3078 2913 56.28      
33 A" 1550 1467 2.67      
34 A" 1548 1465 0.44      
35 A" 1531 1449 4.04      
36 A" 1342 1270 0.50      
37 A" 1314 1244 0.00      
38 A" 1272 1204 0.07      
39 A" 1175 1112 0.41      
40 A" 1165 1103 0.21      
41 A" 1022 967 2.95      
42 A" 938 888 0.01      
43 A" 933 883 0.06      
44 A" 836 791 0.25      
45 A" 381 360 0.01      
46 A" 264 250 0.13      
47 A" 252 239 0.00      
48 A" 237 225 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 37435.3 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 35432.5 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
0.25684 0.07733 0.07080

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 0.267 0.093 1.081
C2 0.267 0.093 -1.081
C3 -0.666 0.700 0.000
C4 0.863 -0.850 0.000
C5 -0.896 2.204 0.000
C6 0.267 -2.254 0.000
H7 1.001 0.826 1.441
H8 -0.207 -0.380 1.950
H9 1.001 0.826 -1.441
H10 -0.207 -0.380 -1.950
H11 -1.634 0.180 0.000
H12 1.959 -0.918 0.000
H13 0.062 2.740 0.000
H14 -0.831 -2.216 0.000
H15 -1.460 2.518 -0.888
H16 -1.460 2.518 0.888
H17 0.585 -2.814 -0.889
H18 0.585 -2.814 0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.16121.55121.55322.64102.58371.09821.09792.72643.10412.18812.24762.86632.77603.56912.98303.52592.9307
C22.16121.55121.55322.64102.58372.72643.10411.09821.09792.18812.24762.86632.77602.98303.56912.93073.5259
C31.55121.55122.17721.52113.09762.20672.27622.20672.27621.09873.08322.16592.92102.17352.17353.83453.8345
C41.55321.55322.17723.52411.52502.21472.27372.21472.27372.70071.09793.67832.17604.18664.18662.17382.1738
C52.64102.64101.52113.52414.60662.75173.30972.75173.30972.15384.23011.09814.42041.09811.09815.30665.3066
C62.58372.58373.09761.52504.60663.47872.74573.47872.74573.08792.15574.99791.09835.15165.15161.09781.0978
H71.09822.72642.20672.21472.75173.47871.78192.88143.79663.07162.45662.57283.83253.78713.03684.34213.7054
H81.09793.10412.27622.27373.30972.74571.78193.79663.90062.48032.96383.68942.75024.24573.33093.82262.7707
H92.72641.09822.20672.21472.75173.47872.88143.79661.78193.07162.45662.57283.83253.03683.78713.70544.3421
H103.10411.09792.27622.27373.30972.74573.79663.90061.78192.48032.96383.68942.75023.33094.24572.77073.8226
H112.18812.18811.09872.70072.15383.08793.07162.48033.07162.48033.75643.07062.52722.50692.50693.83083.8308
H122.24762.24763.08321.09794.23012.15572.45662.96382.45662.96383.75644.12033.07694.92754.92752.50502.5050
H132.86632.86632.16593.67831.09814.99792.57283.68942.57283.68943.07064.12035.03601.77621.77625.64905.6490
H142.77602.77602.92102.17604.42041.09833.83252.75023.83252.75022.52723.07695.03604.85764.85761.77501.7750
H153.56912.98302.17354.18661.09815.15163.78714.24573.03683.33092.50694.92751.77624.85761.77685.71045.9806
H162.98303.56912.17354.18661.09815.15163.03683.33093.78714.24572.50694.92751.77624.85761.77685.98065.7104
H173.52592.93073.83452.17385.30661.09784.34213.82263.70542.77073.83082.50505.64901.77505.71045.98061.7781
H182.93073.52593.83452.17385.30661.09783.70542.77074.34213.82263.83082.50505.64901.77505.98065.71041.7781

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 88.311 C1 C3 C5 118.545
C1 C3 H11 110.151 C1 C4 C2 88.169
C1 C4 C6 114.142 C1 C4 H12 114.861
C2 C3 C5 118.545 C2 C3 H11 110.151
C2 C4 C6 114.142 C2 C4 H12 114.861
C3 C1 C4 89.066 C3 C1 H7 111.660
C3 C1 H8 117.435 C3 C2 C4 89.066
C3 C2 H9 111.660 C3 C2 H10 117.435
C3 C5 H13 110.528 C3 C5 H15 111.135
C3 C5 H16 111.135 C4 C1 H7 112.156
C4 C1 H8 117.069 C4 C2 H9 112.156
C4 C2 H10 117.069 C4 C6 H14 111.051
C4 C6 H17 110.899 C4 C6 H18 110.899
C5 C3 H11 109.542 C6 C4 H12 109.470
H7 C1 H8 108.471 H9 C2 H10 108.471
H13 C5 H15 107.953 H13 C5 H16 107.953
H14 C6 H17 107.852 H14 C6 H18 107.852
H15 C5 H16 108.004 H17 C6 H18 108.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability