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

using model chemistry: MP2=FULL/3-21G

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/3-21G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-233.433472
Energy at 298.15K-233.447022
HF Energy-232.873628
Nuclear repulsion energy247.594336
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/3-21G
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' 3170 3027 57.54      
2 A' 3151 3009 41.14      
3 A' 3143 3001 18.62      
4 A' 3126 2985 11.57      
5 A' 3113 2972 4.83      
6 A' 3097 2957 4.48      
7 A' 3072 2933 19.57      
8 A' 3069 2930 20.60      
9 A' 1600 1528 12.34      
10 A' 1598 1526 0.73      
11 A' 1578 1507 1.03      
12 A' 1490 1423 9.58      
13 A' 1488 1420 0.67      
14 A' 1421 1357 0.11      
15 A' 1405 1342 5.70      
16 A' 1320 1260 5.89      
17 A' 1284 1226 1.32      
18 A' 1232 1176 0.50      
19 A' 1128 1077 0.16      
20 A' 1064 1016 0.82      
21 A' 1009 963 3.07      
22 A' 978 934 0.49      
23 A' 864 825 1.39      
24 A' 795 759 1.40      
25 A' 656 626 1.85      
26 A' 442 422 0.16      
27 A' 333 318 0.16      
28 A' 126 121 0.02      
29 A" 3164 3021 13.90      
30 A" 3142 3000 40.07      
31 A" 3142 3000 4.61      
32 A" 3095 2955 39.67      
33 A" 1598 1526 1.93      
34 A" 1597 1525 1.98      
35 A" 1561 1490 3.48      
36 A" 1334 1274 0.16      
37 A" 1320 1260 0.00      
38 A" 1267 1210 0.12      
39 A" 1182 1128 0.96      
40 A" 1170 1117 0.15      
41 A" 1045 998 5.07      
42 A" 890 850 0.21      
43 A" 880 840 0.04      
44 A" 826 789 0.24      
45 A" 384 366 0.01      
46 A" 273 261 0.36      
47 A" 254 242 0.01      
48 A" 239 228 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 37556.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 35859.2 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/3-21G
ABC
0.24752 0.07669 0.07028

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.292 0.108 1.099
C2 0.292 0.108 -1.099
C3 -0.696 0.669 0.000
C4 0.925 -0.836 0.000
C5 -0.991 2.173 0.000
C6 0.292 -2.239 0.000
H7 0.999 0.887 1.405
H8 -0.144 -0.375 1.979
H9 0.999 0.887 -1.405
H10 -0.144 -0.375 -1.979
H11 -1.623 0.087 0.000
H12 2.017 -0.902 0.000
H13 -0.050 2.735 0.000
H14 -0.802 -2.161 0.000
H15 -1.565 2.459 -0.890
H16 -1.565 2.459 0.890
H17 0.597 -2.801 -0.890
H18 0.597 -2.801 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.19891.58091.58122.66822.59111.09591.09342.71673.14602.20792.28112.86882.74823.59603.00323.53762.9327
C22.19891.58091.58122.66822.59112.71673.14601.09591.09342.20792.28112.86882.74823.00323.59602.93273.5376
C31.58091.58092.21181.53223.07102.21192.30422.21192.30421.09503.13462.16462.83272.17932.17933.80933.8093
C41.58121.58122.21183.56701.53902.22472.29572.22472.29572.70981.09353.70192.17674.22444.22442.18252.1825
C52.66822.66821.53223.56704.59412.75433.33502.75433.33502.17944.30141.09674.33831.09651.09655.29715.2971
C62.59112.59113.07101.53904.59413.49942.75293.49942.75293.01232.18174.98571.09615.12875.12871.09651.0965
H71.09592.71672.21192.22472.75433.49941.79652.81023.78793.08022.49272.54733.80923.78253.05084.36313.7463
H81.09343.14602.30422.29573.33502.75291.79653.78793.95722.51302.97673.68742.74584.27483.35173.82982.7612
H92.71671.09592.21192.22472.75433.49942.81023.78791.79653.08022.49272.54733.80923.05083.78253.74634.3631
H103.14601.09342.30422.29573.33502.75293.78793.95721.79652.51302.97673.68742.74583.35174.27482.76123.8298
H112.20792.20791.09502.70982.17943.01233.08022.51303.08022.51303.77143.08042.39362.53382.53383.75033.7503
H122.28112.28113.13461.09354.30142.18172.49272.97672.49272.97673.77144.18363.08654.99154.99152.53242.5324
H132.86882.86882.16463.70191.09674.98572.54733.68742.54733.68743.08044.18364.95411.77871.77875.64525.6452
H142.74822.74822.83272.17674.33831.09613.80922.74583.80922.74582.39363.08654.95414.76654.76651.77731.7773
H153.59603.00322.17934.22441.09655.12873.78254.27483.05083.35172.53384.99151.77874.76651.77915.68745.9593
H163.00323.59602.17934.22441.09655.12873.05083.35173.78254.27482.53384.99151.77874.76651.77915.95935.6874
H173.53762.93273.80932.18255.29711.09654.36313.82983.74632.76123.75032.53245.64521.77735.68745.95931.7799
H182.93273.53763.80932.18255.29711.09653.74632.76124.36313.82983.75032.53245.64521.77735.95935.68741.7799

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 88.130 C1 C3 C5 117.973
C1 C3 H11 109.874 C1 C4 C2 88.109
C1 C4 C6 112.280 C1 C4 H12 115.851
C2 C3 C5 117.973 C2 C3 H11 109.874
C2 C4 C6 112.280 C2 C4 H12 115.851
C3 C1 C4 88.771 C3 C1 H7 110.128
C3 C1 H8 117.843 C3 C2 C4 88.771
C3 C2 H9 110.128 C3 C2 H10 117.843
C3 C5 H13 109.744 C3 C5 H15 110.905
C3 C5 H16 110.905 C4 C1 H7 111.110
C4 C1 H8 117.090 C4 C2 H9 111.110
C4 C2 H10 117.090 C4 C6 H14 110.255
C4 C6 H17 110.690 C4 C6 H18 110.690
C5 C3 H11 111.012 C6 C4 H12 110.808
H7 C1 H8 110.284 H9 C2 H10 110.284
H13 C5 H15 108.390 H13 C5 H16 108.390
H14 C6 H17 108.307 H14 C6 H18 108.307
H15 C5 H16 108.429 H17 C6 H18 108.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability