return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP4=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-269.823370
Energy at 298.15K-269.832014
HF Energy-268.851155
Nuclear repulsion energy228.792396
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 MP4=FULL/cc-pVDZ
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' 3273 3159        
2 A' 3193 3081        
3 A' 3184 3073        
4 A' 3164 3054        
5 A' 3055 2948        
6 A' 1739 1679        
7 A' 1494 1442        
8 A' 1457 1406        
9 A' 1418 1368        
10 A' 1370 1322        
11 A' 1222 1179        
12 A' 1191 1150        
13 A' 1101 1062        
14 A' 1059 1022        
15 A' 971 937        
16 A' 929 896        
17 A' 800 773        
18 A' 750 724        
19 A' 583 563        
20 A' 370 357        
21 A' 239 231        
22 A" 3261 3147        
23 A" 3159 3049        
24 A" 3139 3029        
25 A" 1471 1420        
26 A" 1442 1391        
27 A" 1202 1160        
28 A" 1120 1081        
29 A" 1080 1043        
30 A" 1040 1004        
31 A" 884 854        
32 A" 832 803        
33 A" 595 574        
34 A" 261 252        
35 A" 158 152        
36 A" 74 72        

Unscaled Zero Point Vibrational Energy (zpe) 26139.3 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 25227.0 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 MP4=FULL/cc-pVDZ
ABC
0.23586 0.08699 0.07591

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.492 -0.545 0.000
C2 -0.281 -0.761 0.000
C3 0.299 -2.168 0.000
C4 0.713 0.368 0.000
C5 0.299 1.635 0.752
C6 0.299 1.635 -0.752
H7 -0.514 -2.911 0.000
H8 0.939 -2.309 -0.891
H9 0.939 -2.309 0.891
H10 1.776 0.101 0.000
H11 -0.675 1.584 1.250
H12 1.087 2.184 1.277
H13 -0.675 1.584 -1.250
H14 1.087 2.184 -1.277

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23022.41702.38652.91942.91942.56083.13293.13293.33122.60013.96592.60013.9659
C21.23021.52191.50412.57712.57712.16312.16282.16282.23022.68623.48932.68623.4893
C32.41701.52192.56963.87683.87681.10121.10601.10602.70764.07284.60384.07284.6038
C42.38651.50412.56961.53061.53063.50132.83012.83011.09592.22922.25172.22922.2517
C52.91942.57713.87681.53061.50344.67934.32013.99812.25871.09531.09492.22692.2448
C62.91942.57713.87681.53061.50344.67933.99814.32012.25872.22692.24481.09531.0949
H72.56082.16311.10123.50134.67934.67931.80751.80753.78394.66855.49174.66855.4917
H83.13292.16281.10602.83014.32013.99811.80751.78152.70214.72684.99104.22934.5122
H93.13292.16281.10602.83013.99814.32011.80751.78152.70214.22934.51224.72684.9910
H103.33122.23022.70761.09592.25872.25873.78392.70212.70213.12582.53903.12582.5390
H112.60012.68624.07282.22921.09532.22694.66854.72684.22933.12581.86172.50073.1391
H123.96593.48934.60382.25171.09492.24485.49174.99104.51222.53901.86173.13912.5544
H132.60012.68624.07282.22922.22691.09534.66854.22934.72683.12582.50073.13911.8617
H143.96593.48934.60382.25172.24481.09495.49174.51224.99102.53903.13912.55441.8617

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 122.505 O1 C2 C4 121.249
C2 C3 H7 110.067 C2 C3 H8 109.766
C2 C3 H9 109.766 C2 C4 C5 116.252
C2 C4 C6 116.252 C2 C4 H10 117.269
C3 C2 C4 116.246 C4 C5 C6 60.586
C4 C5 H11 115.184 C4 C5 H12 117.125
C4 C6 C5 60.586 C4 C6 H13 115.184
C4 C6 H14 117.125 C5 C4 C6 58.828
C5 C4 H10 117.671 C5 C6 H13 117.081
C5 C6 H14 118.679 C6 C4 H10 117.671
C6 C5 H11 117.081 C6 C5 H12 118.679
H7 C3 H8 109.950 H7 C3 H9 109.950
H8 C3 H9 107.299 H11 C5 H12 116.429
H13 C6 H14 116.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability