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

using model chemistry: CCD/6-31+G**

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/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-235.127389
Energy at 298.15K-235.140919
HF Energy-234.190375
Nuclear repulsion energy249.862896
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/6-31+G**
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' 3178 2995 117.07      
2 A' 3174 2991 22.70      
3 A' 3168 2985 23.71      
4 A' 3129 2949 24.63      
5 A' 3117 2937 14.45      
6 A' 3110 2931 7.85      
7 A' 3093 2914 32.26      
8 A' 3090 2912 31.04      
9 A' 1554 1465 5.51      
10 A' 1546 1456 1.71      
11 A' 1543 1454 5.62      
12 A' 1464 1379 8.68      
13 A' 1462 1378 0.59      
14 A' 1426 1343 1.43      
15 A' 1411 1330 7.91      
16 A' 1321 1245 2.18      
17 A' 1281 1207 0.61      
18 A' 1235 1163 0.13      
19 A' 1170 1102 0.34      
20 A' 1078 1016 0.22      
21 A' 987 930 0.57      
22 A' 980 923 0.43      
23 A' 887 836 0.46      
24 A' 825 778 0.74      
25 A' 662 624 1.43      
26 A' 444 419 0.02      
27 A' 334 315 0.09      
28 A' 119 112 0.01      
29 A" 3176 2993 39.26      
30 A" 3173 2990 29.94      
31 A" 3167 2984 12.26      
32 A" 3108 2929 75.50      
33 A" 1542 1453 2.82      
34 A" 1540 1452 0.05      
35 A" 1526 1438 4.16      
36 A" 1334 1257 0.29      
37 A" 1307 1232 0.00      
38 A" 1270 1197 0.01      
39 A" 1168 1101 0.07      
40 A" 1160 1093 0.04      
41 A" 1015 957 1.65      
42 A" 933 880 0.05      
43 A" 927 874 0.44      
44 A" 832 784 0.07      
45 A" 377 355 0.00      
46 A" 263 248 0.03      
47 A" 251 236 0.00      
48 A" 235 222 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37545.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 35378.8 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 CCD/6-31+G**
ABC
0.25715 0.07747 0.07095

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.275 0.099 1.079
C2 0.275 0.099 -1.079
C3 -0.669 0.691 0.000
C4 0.872 -0.845 0.000
C5 -0.923 2.190 0.000
C6 0.275 -2.247 0.000
H7 1.000 0.839 1.429
H8 -0.188 -0.373 1.949
H9 1.000 0.839 -1.429
H10 -0.188 -0.373 -1.949
H11 -1.624 0.159 0.000
H12 1.962 -0.913 0.000
H13 0.023 2.738 0.000
H14 -0.818 -2.209 0.000
H15 -1.488 2.493 -0.884
H16 -1.488 2.493 0.884
H17 0.591 -2.805 -0.885
H18 0.591 -2.805 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.15881.55101.55302.64002.58281.09311.09262.71373.09992.18522.24392.86232.77233.56322.97963.52012.9275
C22.15881.55101.55302.64002.58282.71373.09991.09311.09262.18522.24392.86232.77232.97963.56322.92753.5201
C31.55101.55102.17501.52003.08612.20172.27222.20172.27221.09373.08092.16052.90382.16822.16823.81973.8197
C41.55301.55302.17503.52511.52422.21172.26802.21172.26802.69011.09263.68192.17124.18234.18232.16892.1689
C52.64002.64001.52003.52514.59582.75023.30262.75023.30262.14844.23631.09284.39991.09271.09275.29335.2933
C62.58282.58283.08611.52424.59583.47712.74333.47712.74333.06552.15114.99171.09315.13445.13441.09251.0925
H71.09312.71372.20172.21172.75023.47711.77492.85783.78033.06432.45652.56993.82523.77883.03734.33543.7066
H81.09263.09992.27222.26803.30262.74331.77493.78033.89832.47902.95173.67732.75064.23493.32263.81452.7662
H92.71371.09312.20172.21172.75023.47712.85783.78031.77493.06432.45652.56993.82523.03733.77883.70664.3354
H103.09991.09262.27222.26803.30262.74333.78033.89831.77492.47902.95173.67732.75063.32264.23492.76623.8145
H112.18522.18521.09372.69012.14843.06553.06432.47903.06432.47903.74303.05992.50172.49952.49953.80443.8044
H122.24392.24393.08091.09264.23632.15112.45652.95172.45652.95173.74304.13393.06694.92814.92812.49882.4988
H132.86232.86232.16053.68191.09284.99172.56993.67732.56993.67733.05994.13395.01781.76781.76785.64175.6417
H142.77232.77232.90382.17124.39991.09313.82522.75063.82522.75062.50173.06695.01784.83124.83121.76661.7666
H153.56322.97962.16824.18231.09275.13443.77884.23493.03733.32262.49954.92811.76784.83121.76875.69125.9598
H162.97963.56322.16824.18231.09275.13443.03733.32263.77884.23492.49954.92811.76784.83121.76875.95985.6912
H173.52012.92753.81972.16895.29331.09254.33543.81453.70662.76623.80442.49885.64171.76665.69125.95981.7697
H182.92753.52013.81972.16895.29331.09253.70662.76624.33543.81453.80442.49885.64171.76665.95985.69121.7697

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 88.202 C1 C3 C5 118.552
C1 C3 H11 110.235 C1 C4 C2 88.059
C1 C4 C6 114.131 C1 C4 H12 114.918
C2 C3 C5 118.552 C2 C3 H11 110.235
C2 C4 C6 114.131 C2 C4 H12 114.918
C3 C1 C4 88.967 C3 C1 H7 111.581
C3 C1 H8 117.470 C3 C2 C4 88.967
C3 C2 H9 111.581 C3 C2 H10 117.470
C3 C5 H13 110.493 C3 C5 H15 111.112
C3 C5 H16 111.112 C4 C1 H7 112.242
C4 C1 H8 116.960 C4 C2 H9 112.242
C4 C2 H10 116.960 C4 C6 H14 111.033
C4 C6 H17 110.888 C4 C6 H18 110.888
C5 C3 H11 109.481 C6 C4 H12 109.472
H7 C1 H8 108.597 H9 C2 H10 108.597
H13 C5 H15 107.971 H13 C5 H16 107.971
H14 C6 H17 107.860 H14 C6 H18 107.860
H15 C5 H16 108.055 H17 C6 H18 108.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability