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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-269.687071
Energy at 298.15K-269.695828
HF Energy-268.833255
Nuclear repulsion energy230.491367
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 MP3/6-31G*
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' 3308 3105 5.65      
2 A' 3234 3035 7.96      
3 A' 3225 3027 7.08      
4 A' 3213 3016 7.81      
5 A' 3102 2911 2.40      
6 A' 1875 1760 107.08      
7 A' 1561 1465 12.60      
8 A' 1530 1436 11.42      
9 A' 1479 1389 107.18      
10 A' 1440 1351 7.59      
11 A' 1268 1190 8.53      
12 A' 1244 1168 76.15      
13 A' 1149 1079 12.62      
14 A' 1117 1048 10.63      
15 A' 1016 954 33.68      
16 A' 962 903 14.80      
17 A' 837 785 1.24      
18 A' 780 732 0.09      
19 A' 609 572 14.81      
20 A' 382 359 4.07      
21 A' 250 234 4.51      
22 A" 3297 3094 0.50      
23 A" 3209 3012 10.51      
24 A" 3172 2977 7.62      
25 A" 1533 1439 10.52      
26 A" 1512 1419 3.29      
27 A" 1251 1174 0.18      
28 A" 1168 1096 2.45      
29 A" 1135 1065 2.02      
30 A" 1092 1025 3.81      
31 A" 933 876 0.34      
32 A" 871 818 5.55      
33 A" 617 579 2.01      
34 A" 270 253 0.46      
35 A" 145 136 0.02      
36 A" 71 67 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 26927.8 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 25274.4 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 MP3/6-31G*
ABC
0.24103 0.08771 0.07676

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.476 -0.551 0.000
C2 -0.275 -0.758 0.000
C3 0.296 -2.158 0.000
C4 0.701 0.372 0.000
C5 0.296 1.629 0.745
C6 0.296 1.629 -0.745
H7 -0.516 -2.885 0.000
H8 0.929 -2.305 -0.883
H9 0.929 -2.305 0.883
H10 1.754 0.106 0.000
H11 -0.665 1.590 1.245
H12 1.077 2.170 1.269
H13 -0.665 1.590 -1.245
H14 1.077 2.170 -1.269

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21822.39182.36432.90662.90662.52323.10393.10393.29602.60653.94132.60653.9413
C21.21821.51171.49322.56502.56502.14042.14952.14952.20572.68663.46632.68663.4663
C32.39181.51172.56153.85903.85901.09061.09571.09572.69234.06484.57734.06484.5773
C42.36431.49322.56151.51631.51633.47672.82742.82741.08622.21412.23332.21412.2333
C52.90662.56503.85901.51631.49034.64644.30373.98632.23591.08471.08492.21092.2272
C62.90662.56503.85901.51631.49034.64643.98634.30372.23592.21092.22721.08471.0849
H72.52322.14041.09063.47674.64644.64641.78981.78983.75504.64765.45024.64765.4502
H83.10392.14951.09572.82744.30373.98631.78981.76562.69664.71594.96794.22404.4942
H93.10392.14951.09572.82743.98634.30371.78981.76562.69664.22404.49424.71594.9679
H103.29602.20572.69231.08622.23592.23593.75502.69662.69663.09962.51633.09962.5163
H112.60652.68664.06482.21411.08472.21094.64764.71594.22403.09961.83632.49053.1136
H123.94133.46634.57732.23331.08492.22725.45024.96794.49422.51631.83633.11362.5387
H132.60652.68664.06482.21412.21091.08474.64764.22404.71593.09962.49053.11361.8363
H143.94133.46634.57732.23332.22721.08495.45024.49424.96792.51633.11362.53871.8363

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 121.996 O1 C2 C4 121.052
C2 C3 H7 109.609 C2 C3 H8 110.024
C2 C3 H9 110.024 C2 C4 C5 116.929
C2 C4 C6 116.929 C2 C4 H10 116.665
C3 C2 C4 116.952 C4 C5 C6 60.564
C4 C5 H11 115.705 C4 C5 H12 117.350
C4 C6 C5 60.564 C4 C6 H13 115.705
C4 C6 H14 117.350 C5 C4 C6 58.872
C5 C4 H10 117.486 C5 C6 H13 117.453
C5 C6 H14 118.890 C6 C4 H10 117.486
C6 C5 H11 117.453 C6 C5 H12 118.890
H7 C3 H8 109.900 H7 C3 H9 109.900
H8 C3 H9 107.355 H11 C5 H12 115.641
H13 C6 H14 115.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability