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All results from a given calculation for C5H8O (Methyl cyclopropyl ketone)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-269.818859
Energy at 298.15K-269.827597
HF Energy-268.898748
Nuclear repulsion energy230.463330
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 MP2/6-311G**
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' 3296 3132 3.84      
2 A' 3221 3061 6.39      
3 A' 3203 3044 8.79      
4 A' 3185 3026 6.44      
5 A' 3075 2922 2.97      
6 A' 1771 1683 83.24      
7 A' 1517 1441 10.92      
8 A' 1486 1412 12.39      
9 A' 1437 1365 111.20      
10 A' 1390 1321 11.69      
11 A' 1245 1183 4.17      
12 A' 1209 1148 80.89      
13 A' 1125 1069 10.72      
14 A' 1086 1032 10.07      
15 A' 986 937 46.46      
16 A' 941 894 10.93      
17 A' 826 785 1.96      
18 A' 766 728 0.56      
19 A' 595 566 11.46      
20 A' 376 357 3.67      
21 A' 246 234 3.62      
22 A" 3283 3119 0.45      
23 A" 3182 3023 9.12      
24 A" 3158 3001 7.34      
25 A" 1499 1424 10.04      
26 A" 1475 1402 4.27      
27 A" 1230 1169 0.31      
28 A" 1145 1088 2.79      
29 A" 1106 1051 2.15      
30 A" 1058 1005 2.37      
31 A" 899 854 0.02      
32 A" 856 814 6.02      
33 A" 606 576 1.26      
34 A" 267 254 0.29      
35 A" 151 144 0.07      
36 A" 77 73 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 26485.8 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 25166.8 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 MP2/6-311G**
ABC
0.23928 0.08816 0.07693

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.482 -0.541 0.000
C2 -0.281 -0.756 0.000
C3 0.298 -2.155 0.000
C4 0.706 0.364 0.000
C5 0.298 1.625 0.746
C6 0.298 1.625 -0.746
H7 -0.506 -2.891 0.000
H8 0.932 -2.290 -0.883
H9 0.932 -2.290 0.883
H10 1.758 0.101 0.000
H11 -0.666 1.577 1.240
H12 1.081 2.165 1.265
H13 -0.666 1.577 -1.240
H14 1.081 2.165 -1.265

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22072.40292.36792.90142.90142.54433.10883.10883.30382.58633.93672.58633.9367
C21.22071.51361.49282.56172.56172.14632.14492.14492.21222.67013.46292.67013.4629
C32.40291.51362.55153.85263.85261.09041.09501.09502.68734.04884.56914.04884.5691
C42.36791.49282.55151.52091.52093.47312.80572.80571.08492.21142.23292.21142.2329
C52.90142.56173.85261.52091.49304.64704.28713.96782.23851.08401.08372.20822.2252
C62.90142.56173.85261.52091.49304.64703.96784.28712.23852.20822.22521.08401.0837
H72.54432.14631.09043.47314.64704.64701.79131.79133.75244.63935.44834.63935.4483
H83.10882.14491.09502.80574.28713.96781.79131.76552.67934.69144.94794.19914.4738
H93.10882.14491.09502.80573.96784.28711.79131.76552.67934.19914.47384.69144.9479
H103.30382.21222.68731.08492.23852.23853.75242.67932.67933.09722.51373.09722.5137
H112.58632.67014.04882.21141.08402.20824.63934.69144.19913.09721.84412.47903.1100
H123.93673.46294.56912.23291.08372.22525.44834.94794.47382.51371.84413.11002.5299
H132.58632.67014.04882.21142.20821.08404.63934.19914.69143.09722.47903.11001.8441
H143.93673.46294.56912.23292.22521.08375.44834.47384.94792.51373.11002.52991.8441

picture of Methyl cyclopropyl ketone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 122.646 O1 C2 C4 121.213
C2 C3 H7 109.962 C2 C3 H8 109.583
C2 C3 H9 109.583 C2 C4 C5 116.422
C2 C4 C6 116.422 C2 C4 H10 117.352
C3 C2 C4 116.142 C4 C5 C6 60.605
C4 C5 H11 115.161 C4 C5 H12 117.033
C4 C6 C5 60.605 C4 C6 H13 115.161
C4 C6 H14 117.033 C5 C4 C6 58.789
C5 C4 H10 117.443 C5 C6 H13 117.052
C5 C6 H14 118.581 C6 C4 H10 117.443
C6 C5 H11 117.052 C6 C5 H12 118.581
H7 C3 H8 110.112 H7 C3 H9 110.112
H8 C3 H9 107.448 H11 C5 H12 116.570
H13 C6 H14 116.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability