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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-269.722021
Energy at 298.15K-269.730704
HF Energy-268.852207
Nuclear repulsion energy229.554096
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/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' 3306 3149 2.21      
2 A' 3227 3073 6.40      
3 A' 3220 3067 6.81      
4 A' 3190 3039 6.20      
5 A' 3083 2936 3.23      
6 A' 1775 1691 79.75      
7 A' 1499 1428 18.02      
8 A' 1461 1392 12.83      
9 A' 1428 1360 110.32      
10 A' 1371 1306 8.84      
11 A' 1236 1177 1.11      
12 A' 1202 1144 78.19      
13 A' 1109 1056 10.82      
14 A' 1059 1009 8.94      
15 A' 980 934 41.45      
16 A' 944 899 7.53      
17 A' 810 771 2.10      
18 A' 761 725 0.42      
19 A' 592 564 11.43      
20 A' 374 356 3.79      
21 A' 244 232 3.56      
22 A" 3294 3137 0.49      
23 A" 3187 3035 7.88      
24 A" 3176 3025 5.78      
25 A" 1475 1405 9.28      
26 A" 1445 1376 3.51      
27 A" 1208 1151 0.25      
28 A" 1123 1070 2.20      
29 A" 1082 1031 1.44      
30 A" 1045 995 3.36      
31 A" 891 848 0.50      
32 A" 842 802 4.74      
33 A" 601 572 0.88      
34 A" 264 251 0.23      
35 A" 155 148 0.11      
36 A" 72 68 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 26364.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 25112.3 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/cc-pVDZ
ABC
0.23742 0.08765 0.07647

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.486 -0.541 0.000
C2 -0.279 -0.758 0.000
C3 0.297 -2.161 0.000
C4 0.711 0.365 0.000
C5 0.297 1.629 0.749
C6 0.297 1.629 -0.749
H7 -0.514 -2.902 0.000
H8 0.936 -2.301 -0.889
H9 0.936 -2.301 0.889
H10 1.773 0.102 0.000
H11 -0.675 1.574 1.246
H12 1.085 2.177 1.273
H13 -0.675 1.574 -1.246
H14 1.085 2.177 -1.273

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22672.40922.37712.90702.90702.55383.12363.12363.32212.58533.95182.58533.9518
C21.22671.51611.49752.56762.56762.15672.15552.15552.22492.67393.47792.67393.4779
C32.40921.51612.55923.86303.86301.09891.10361.10362.70104.05544.58864.05544.5886
C42.37711.49752.55921.52681.52683.48922.81892.81891.09372.22212.24572.22212.2457
C52.90702.56763.86301.52681.49804.66384.30523.98402.25231.09341.09292.22012.2377
C62.90702.56763.86301.52681.49804.66383.98404.30522.25232.22012.23771.09341.0929
H72.55382.15671.09893.48924.66384.66381.80391.80393.77524.64935.47484.64935.4748
H83.12362.15551.10362.81894.30523.98401.80391.77732.69474.70844.97444.21194.4968
H93.12362.15551.10362.81893.98404.30521.80391.77732.69474.21194.49684.70844.9744
H103.32212.22492.70101.09372.25232.25233.77522.69472.69473.11692.53013.11692.5301
H112.58532.67394.05542.22211.09342.22014.64934.70844.21193.11691.86032.49223.1311
H123.95183.47794.58862.24571.09292.23775.47484.97444.49682.53011.86033.13112.5452
H132.58532.67394.05542.22212.22011.09344.64934.21194.70843.11692.49223.13111.8603
H143.95183.47794.58862.24572.23771.09295.47484.49684.97442.53013.13112.54521.8603

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 122.547 O1 C2 C4 121.201
C2 C3 H7 110.108 C2 C3 H8 109.735
C2 C3 H9 109.735 C2 C4 C5 116.201
C2 C4 C6 116.201 C2 C4 H10 117.483
C3 C2 C4 116.252 C4 C5 C6 60.622
C4 C5 H11 115.006 C4 C5 H12 117.044
C4 C6 C5 60.622 C4 C6 H13 115.006
C4 C6 H14 117.044 C5 C4 C6 58.755
C5 C4 H10 117.564 C5 C6 H13 117.043
C5 C6 H14 118.625 C6 C4 H10 117.564
C6 C5 H11 117.043 C6 C5 H12 118.625
H7 C3 H8 109.977 H7 C3 H9 109.977
H8 C3 H9 107.263 H11 C5 H12 116.621
H13 C6 H14 116.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability