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

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-269.918433
Energy at 298.15K-269.927168
HF Energy-268.863063
Nuclear repulsion energy231.906621
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=FULL/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' 3333 3133 0.53      
2 A' 3257 3062 4.17      
3 A' 3243 3048 4.74      
4 A' 3221 3028 4.78      
5 A' 3112 2925 1.01      
6 A' 1788 1680 78.48      
7 A' 1512 1421 11.21      
8 A' 1500 1410 14.30      
9 A' 1444 1357 111.23      
10 A' 1398 1314 9.92      
11 A' 1254 1179 1.42      
12 A' 1219 1146 77.25      
13 A' 1128 1060 12.71      
14 A' 1068 1004 10.49      
15 A' 995 936 41.10      
16 A' 958 900 5.22      
17 A' 820 771 2.08      
18 A' 773 726 0.28      
19 A' 596 560 11.76      
20 A' 376 354 3.97      
21 A' 246 231 4.01      
22 A" 3321 3122 0.40      
23 A" 3219 3025 5.39      
24 A" 3200 3008 2.75      
25 A" 1515 1424 8.79      
26 A" 1469 1381 3.88      
27 A" 1228 1154 0.17      
28 A" 1147 1078 1.74      
29 A" 1099 1033 0.98      
30 A" 1064 1000 5.00      
31 A" 911 856 0.40      
32 A" 860 808 4.30      
33 A" 615 578 1.00      
34 A" 268 252 0.36      
35 A" 158 149 0.06      
36 A" 68 64 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 26691.0 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 25086.8 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=FULL/6-31G(2df,p)
ABC
0.24172 0.08959 0.07811

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.473 -0.530 0.000
C2 -0.275 -0.747 0.000
C3 0.294 -2.140 0.000
C4 0.708 0.361 0.000
C5 0.294 1.611 0.742
C6 0.294 1.611 -0.742
H7 -0.508 -2.873 0.000
H8 0.925 -2.280 -0.878
H9 0.925 -2.280 0.878
H10 1.755 0.097 0.000
H11 -0.666 1.551 1.233
H12 1.070 2.153 1.260
H13 -0.666 1.551 -1.233
H14 1.070 2.153 -1.260

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21732.39012.35602.87352.87352.53353.09613.09613.28892.55053.90592.55053.9059
C21.21731.50421.48142.53682.53682.13802.13572.13572.19932.63763.43662.63763.4366
C32.39011.50422.53453.82323.82321.08611.09051.09052.67204.00814.54084.00814.5408
C42.35601.48142.53451.51151.51153.45432.79122.79121.08012.19672.22062.19672.2206
C52.87352.53683.82321.51151.48434.61454.26143.94392.23111.07981.07922.19712.2145
C62.87352.53683.82321.51151.48434.61453.94394.26142.23112.19712.21451.07981.0792
H72.53352.13801.08613.45434.61454.61451.78221.78223.73384.59525.41634.59525.4163
H83.09612.13571.09052.79124.26143.94391.78221.75562.66634.65474.92374.16364.4519
H93.09612.13571.09052.79123.94394.26141.78221.75562.66634.16364.45194.65474.9237
H103.28892.19932.67201.08012.23112.23113.73382.66632.66633.08182.50683.08182.5068
H112.55052.63764.00812.19671.07982.19714.59524.65474.16363.08181.83762.46683.0970
H123.90593.43664.54082.22061.07922.21455.41634.92374.45192.50681.83763.09702.5193
H132.55052.63764.00812.19672.19711.07984.59524.16364.65473.08182.46683.09701.8376
H143.90593.43664.54082.22062.21451.07925.41634.45194.92372.50683.09702.51931.8376

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 122.506 O1 C2 C4 121.313
C2 C3 H7 110.204 C2 C3 H8 109.763
C2 C3 H9 109.763 C2 C4 C5 115.895
C2 C4 C6 115.895 C2 C4 H10 117.462
C3 C2 C4 116.181 C4 C5 C6 60.595
C4 C5 H11 114.912 C4 C5 H12 117.011
C4 C6 C5 60.595 C4 C6 H13 114.912
C4 C6 H14 117.011 C5 C4 C6 58.810
C5 C4 H10 117.869 C5 C6 H13 117.064
C5 C6 H14 118.656 C6 C4 H10 117.869
C6 C5 H11 117.064 C6 C5 H12 118.656
H7 C3 H8 109.928 H7 C3 H9 109.928
H8 C3 H9 107.205 H11 C5 H12 116.667
H13 C6 H14 116.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability