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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-235.093724
Energy at 298.15K-235.107272
HF Energy-234.190228
Nuclear repulsion energy250.805558
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/6-31+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' 3201 3007 65.95      
2 A' 3197 3003 31.64      
3 A' 3186 2992 36.94      
4 A' 3139 2948 24.76      
5 A' 3133 2943 19.36      
6 A' 3117 2927 5.62      
7 A' 3104 2916 30.34      
8 A' 3101 2912 32.05      
9 A' 1547 1453 10.35      
10 A' 1541 1447 1.72      
11 A' 1537 1444 3.69      
12 A' 1452 1363 10.73      
13 A' 1449 1360 0.94      
14 A' 1413 1327 0.69      
15 A' 1397 1312 9.20      
16 A' 1306 1227 4.19      
17 A' 1278 1201 0.62      
18 A' 1229 1154 0.08      
19 A' 1171 1100 0.38      
20 A' 1077 1011 0.27      
21 A' 985 926 0.78      
22 A' 979 919 0.67      
23 A' 885 831 0.56      
24 A' 827 777 0.86      
25 A' 656 616 1.89      
26 A' 445 418 0.02      
27 A' 335 315 0.13      
28 A' 129 121 0.02      
29 A" 3199 3005 30.08      
30 A" 3197 3003 25.82      
31 A" 3184 2990 13.66      
32 A" 3115 2925 73.75      
33 A" 1538 1444 4.33      
34 A" 1537 1443 0.04      
35 A" 1516 1424 4.75      
36 A" 1319 1239 0.15      
37 A" 1297 1218 0.01      
38 A" 1256 1180 0.01      
39 A" 1163 1092 0.09      
40 A" 1155 1084 0.06      
41 A" 1011 950 2.17      
42 A" 933 877 0.06      
43 A" 926 870 0.33      
44 A" 830 780 0.13      
45 A" 376 353 0.00      
46 A" 265 249 0.06      
47 A" 255 239 0.00      
48 A" 240 225 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37562.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 35278.4 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/6-31+G**
ABC
0.25613 0.07834 0.07200

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.294 0.111 1.073
C2 0.294 0.111 -1.073
C3 -0.674 0.662 0.000
C4 0.901 -0.824 0.000
C5 -0.996 2.142 0.000
C6 0.294 -2.217 0.000
H7 1.003 0.882 1.382
H8 -0.133 -0.354 1.963
H9 1.003 0.882 -1.382
H10 -0.133 -0.354 -1.963
H11 -1.599 0.082 0.000
H12 1.990 -0.898 0.000
H13 -0.077 2.729 0.000
H14 -0.796 -2.170 0.000
H15 -1.573 2.420 -0.883
H16 -1.573 2.420 0.883
H17 0.604 -2.777 -0.883
H18 0.604 -2.777 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.14551.54611.54742.63402.56381.09181.09142.66873.10062.17602.24662.85272.74633.55532.97523.50202.9112
C22.14551.54611.54742.63402.56382.66873.10061.09181.09142.17602.24662.85272.74632.97523.55532.91123.5020
C31.54611.54612.16531.51463.03742.18382.27552.18382.27551.09193.08722.15132.83432.16312.16313.77343.7734
C41.54741.54742.16533.52081.51992.19802.26772.19802.26772.65931.09153.68472.16594.17444.17442.16402.1640
C52.63402.63401.51463.52084.54592.73713.29072.73713.29072.14624.26141.09094.31621.09071.09075.24735.2473
C62.56382.56383.03741.51994.54593.46682.73963.46682.73962.97812.14884.95971.09055.07635.07631.09051.0905
H71.09182.66872.18382.19802.73713.46681.77632.76403.74243.05272.46072.54643.80253.75883.04124.32203.7146
H81.09143.10062.27552.26773.29072.73961.77633.74243.92562.48862.94193.65512.75474.22723.30733.80932.7529
H92.66871.09182.18382.19802.73713.46682.76403.74241.77633.05272.46072.54643.80253.04123.75883.71464.3220
H103.10061.09142.27552.26773.29072.73963.74243.92561.77632.48862.94193.65512.75473.30734.22722.75293.8093
H112.17602.17601.09192.65932.14622.97813.05272.48863.05272.48863.72063.05332.39082.49932.49933.71563.7156
H122.24662.24663.08721.09154.26142.14882.46072.94192.46072.94193.72064.17443.06244.94844.94842.49652.4965
H132.85272.85272.15133.68471.09094.95972.54643.65512.54643.65513.05334.17444.95091.76471.76475.61745.6174
H142.74632.74632.83432.16594.31621.09053.80252.75473.80252.75472.39083.06244.95094.73824.73821.76261.7626
H153.55532.97522.16314.17441.09075.07633.75884.22723.04123.30732.49934.94841.76474.73821.76565.63465.9048
H162.97523.55532.16314.17441.09075.07633.04123.30733.75884.22722.49934.94841.76474.73821.76565.90485.6346
H173.50202.91123.77342.16405.24731.09054.32203.80933.71462.75293.71562.49655.61741.76265.63465.90481.7660
H182.91123.50203.77342.16405.24731.09053.71462.75294.32203.80933.71562.49655.61741.76265.90485.63461.7660

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 87.869 C1 C3 C5 118.760
C1 C3 H11 109.954 C1 C4 C2 87.777
C1 C4 C6 113.407 C1 C4 H12 115.636
C2 C3 C5 118.760 C2 C3 H11 109.954
C2 C4 C6 113.407 C2 C4 H12 115.636
C3 C1 C4 88.847 C3 C1 H7 110.577
C3 C1 H8 118.235 C3 C2 C4 88.847
C3 C2 H9 110.577 C3 C2 H10 118.235
C3 C5 H13 110.255 C3 C5 H15 111.216
C3 C5 H16 111.216 C4 C1 H7 111.615
C4 C1 H8 117.446 C4 C2 H9 111.615
C4 C2 H10 117.446 C4 C6 H14 111.065
C4 C6 H17 110.921 C4 C6 H18 110.921
C5 C3 H11 109.790 C6 C4 H12 109.656
H7 C1 H8 108.903 H9 C2 H10 108.903
H13 C5 H15 107.978 H13 C5 H16 107.978
H14 C6 H17 107.828 H14 C6 H18 107.828
H15 C5 H16 108.072 H17 C6 H18 108.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability