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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-269.868018
Energy at 298.15K-269.876714
HF Energy-268.862686
Nuclear repulsion energy231.174274
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 MP2/6-31G(2df,p)
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' 3324 3139 0.66      
2 A' 3249 3069 4.21      
3 A' 3234 3054 4.85      
4 A' 3211 3033 4.80      
5 A' 3102 2930 1.13      
6 A' 1779 1680 77.68      
7 A' 1503 1420 9.62      
8 A' 1491 1408 13.33      
9 A' 1433 1354 109.40      
10 A' 1391 1313 8.61      
11 A' 1243 1174 1.82      
12 A' 1209 1142 80.04      
13 A' 1119 1057 12.45      
14 A' 1069 1010 10.56      
15 A' 986 931 41.75      
16 A' 948 895 5.77      
17 A' 814 769 2.12      
18 A' 766 723 0.29      
19 A' 592 559 11.54      
20 A' 372 352 3.91      
21 A' 244 230 3.93      
22 A" 3312 3128 0.41      
23 A" 3209 3031 5.56      
24 A" 3189 3012 3.04      
25 A" 1502 1418 8.59      
26 A" 1464 1382 3.64      
27 A" 1222 1155 0.17      
28 A" 1140 1077 1.74      
29 A" 1098 1037 1.35      
30 A" 1056 998 4.43      
31 A" 899 849 0.25      
32 A" 853 806 4.36      
33 A" 605 572 1.01      
34 A" 266 251 0.35      
35 A" 153 144 0.05      
36 A" 73 69 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 26557.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 25083.7 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 MP2/6-31G(2df,p)
ABC
0.24069 0.08889 0.07755

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.475 -0.532 0.000
C2 -0.275 -0.751 0.000
C3 0.293 -2.149 0.000
C4 0.712 0.362 0.000
C5 0.293 1.617 0.744
C6 0.293 1.617 -0.744
H7 -0.513 -2.880 0.000
H8 0.927 -2.292 -0.879
H9 0.927 -2.292 0.879
H10 1.762 0.102 0.000
H11 -0.668 1.556 1.237
H12 1.069 2.163 1.263
H13 -0.668 1.556 -1.237
H14 1.069 2.163 -1.263

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22002.39662.36302.88132.88132.53803.10463.10463.29852.55743.91562.55743.9156
C21.22001.50991.48742.54622.54622.14312.14292.14292.20782.64613.44802.64613.4480
C32.39661.50992.54643.83943.83941.08801.09261.09262.68754.02254.55964.02254.5596
C42.36301.48742.54641.51771.51773.46622.80422.80421.08182.20362.22792.20362.2279
C52.88132.54623.83941.51771.48834.62954.27973.96232.23761.08171.08112.20242.2200
C62.88132.54623.83941.51771.48834.62953.96234.27972.23762.20242.22001.08171.0811
H72.53802.14311.08803.46624.62954.62951.78601.78603.75024.60795.43414.60795.4341
H83.10462.14291.09262.80424.27973.96231.78601.75802.68294.67134.94474.18014.4732
H93.10462.14291.09262.80423.96234.27971.78601.75802.68294.18014.47324.67134.9447
H103.29852.20782.68751.08182.23762.23763.75022.68292.68293.08962.51443.08962.5144
H112.55742.64614.02252.20361.08172.20244.60794.67134.18013.08961.84032.47313.1039
H123.91563.44804.55962.22791.08112.22005.43414.94474.47322.51441.84033.10392.5262
H132.55742.64614.02252.20362.20241.08174.60794.18014.67133.08962.47313.10391.8403
H143.91563.44804.55962.22792.22001.08115.43414.47324.94472.51443.10392.52621.8403

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 122.426 O1 C2 C4 121.250
C2 C3 H7 110.103 C2 C3 H8 109.813
C2 C3 H9 109.813 C2 C4 C5 115.833
C2 C4 C6 115.833 C2 C4 H10 117.609
C3 C2 C4 116.324 C4 C5 C6 60.639
C4 C5 H11 114.903 C4 C5 H12 117.034
C4 C6 C5 60.639 C4 C6 H13 114.903
C4 C6 H14 117.034 C5 C4 C6 58.722
C5 C4 H10 117.834 C5 C6 H13 117.079
C5 C6 H14 118.687 C6 C4 H10 117.834
C6 C5 H11 117.079 C6 C5 H12 118.687
H7 C3 H8 109.975 H7 C3 H9 109.975
H8 C3 H9 107.113 H11 C5 H12 116.613
H13 C6 H14 116.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability