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

using model chemistry: MP2=FULL/TZVP

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

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-235.248644
Energy at 298.15K-235.262215
HF Energy-234.242565
Nuclear repulsion energy251.110928
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/TZVP
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' 3161 3012 90.15      
2 A' 3156 3006 28.98      
3 A' 3150 3001 14.14      
4 A' 3113 2966 18.78      
5 A' 3108 2961 16.75      
6 A' 3085 2940 4.67      
7 A' 3068 2922 25.21      
8 A' 3064 2919 28.75      
9 A' 1529 1457 9.55      
10 A' 1522 1450 1.84      
11 A' 1517 1445 2.92      
12 A' 1434 1366 9.10      
13 A' 1430 1362 1.73      
14 A' 1402 1335 1.07      
15 A' 1384 1318 7.90      
16 A' 1296 1235 4.73      
17 A' 1272 1212 0.49      
18 A' 1221 1164 0.12      
19 A' 1162 1107 0.47      
20 A' 1068 1018 0.31      
21 A' 983 936 0.42      
22 A' 979 932 1.03      
23 A' 881 839 0.47      
24 A' 822 783 0.92      
25 A' 654 623 1.68      
26 A' 446 425 0.03      
27 A' 340 324 0.12      
28 A' 141 134 0.02      
29 A" 3157 3008 31.90      
30 A" 3154 3005 20.56      
31 A" 3151 3002 14.58      
32 A" 3083 2937 66.49      
33 A" 1515 1443 2.92      
34 A" 1510 1438 1.05      
35 A" 1497 1426 4.80      
36 A" 1309 1247 0.02      
37 A" 1286 1225 0.01      
38 A" 1248 1189 0.00      
39 A" 1149 1095 0.05      
40 A" 1143 1089 0.19      
41 A" 1010 962 2.35      
42 A" 923 879 0.13      
43 A" 917 874 0.20      
44 A" 828 789 0.04      
45 A" 374 357 0.00      
46 A" 263 251 0.08      
47 A" 255 243 0.01      
48 A" 236 225 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37196.3 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 35437.0 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/TZVP
ABC
0.25434 0.07878 0.07260

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.296 0.116 1.073
C2 0.296 0.116 -1.073
C3 -0.676 0.656 0.000
C4 0.898 -0.822 0.000
C5 -0.995 2.135 0.000
C6 0.296 -2.214 0.000
H7 1.003 0.883 1.396
H8 -0.141 -0.359 1.954
H9 1.003 0.883 -1.396
H10 -0.141 -0.359 -1.954
H11 -1.600 0.075 0.000
H12 1.987 -0.885 0.000
H13 -0.075 2.721 0.000
H14 -0.795 -2.163 0.000
H15 -1.573 2.413 -0.884
H16 -1.573 2.413 0.884
H17 0.607 -2.772 -0.885
H18 0.607 -2.772 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.14681.54541.54732.62622.56521.09181.09162.68083.09512.17962.23912.84202.74523.54952.96713.50322.9109
C22.14681.54541.54732.62622.56522.68083.09511.09181.09162.17962.23912.84202.74522.96713.54952.91093.5032
C31.54541.54542.15871.51343.02982.19522.26542.19522.26541.09183.07652.15122.82132.16172.16173.76543.7654
C41.54731.54732.15873.51121.51632.20612.26062.20612.26062.65451.09093.67432.15954.16524.16522.16122.1612
C52.62622.62621.51343.51124.53662.74053.28132.74053.28132.14684.24471.09174.30281.09161.09165.23745.2374
C62.56522.56523.02981.51634.53663.46972.72913.46972.72912.97272.15034.94901.09225.06755.06751.09131.0913
H71.09182.68082.19522.20612.74053.46971.77822.79223.75123.06252.45852.54743.80253.76463.03914.32663.7120
H81.09163.09512.26542.26063.28132.72911.77823.75123.90712.47682.93633.64822.73834.21723.29803.79982.7431
H92.68081.09182.19522.20612.74053.46972.79223.75121.77823.06252.45852.54743.80253.03913.76463.71204.3266
H103.09511.09162.26542.26063.28132.72913.75123.90711.77822.47682.93633.64822.73833.29804.21722.74313.7998
H112.17962.17961.09182.65452.14682.97273.06252.47683.06252.47683.71373.05452.37882.49932.49933.70963.7096
H122.23912.23913.07651.09094.24472.15032.45852.93632.45852.93633.71374.15423.06124.93254.93252.49972.4997
H132.84202.84202.15123.67431.09174.94902.54743.64822.54743.64823.05454.15424.93711.76651.76655.60575.6057
H142.74522.74522.82132.15954.30281.09223.80252.73833.80252.73832.37883.06124.93714.72494.72491.76571.7657
H153.54952.96712.16174.16521.09165.06753.76464.21723.03913.29802.49934.93251.76654.72491.76805.62435.8959
H162.96713.54952.16174.16521.09165.06753.03913.29803.76464.21722.49934.93251.76654.72491.76805.89595.6243
H173.50322.91093.76542.16125.23741.09134.32663.79983.71202.74313.70962.49975.60571.76575.62435.89591.7695
H182.91093.50323.76542.16125.23741.09133.71202.74314.32663.79983.70962.49975.60571.76575.89595.62431.7695

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 87.989 C1 C3 C5 118.312
C1 C3 H11 110.297 C1 C4 C2 87.855
C1 C4 C6 113.711 C1 C4 H12 115.051
C2 C3 C5 118.312 C2 C3 H11 110.297
C2 C4 C6 113.711 C2 C4 H12 115.051
C3 C1 C4 88.536 C3 C1 H7 111.534
C3 C1 H8 117.398 C3 C2 C4 88.536
C3 C2 H9 111.534 C3 C2 H10 117.398
C3 C5 H13 110.284 C3 C5 H15 111.125
C3 C5 H16 111.125 C4 C1 H7 112.283
C4 C1 H8 116.830 C4 C2 H9 112.283
C4 C2 H10 116.830 C4 C6 H14 110.712
C4 C6 H17 110.901 C4 C6 H18 110.901
C5 C3 H11 109.930 C6 C4 H12 110.050
H7 C1 H8 109.069 H9 C2 H10 109.069
H13 C5 H15 108.018 H13 C5 H16 108.018
H14 C6 H17 107.935 H14 C6 H18 107.935
H15 C5 H16 108.150 H17 C6 H18 108.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability