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

using model chemistry: QCISD(T)=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-269.843388
Energy at 298.15K-269.852032
HF Energy-268.851622
Nuclear repulsion energy229.781515
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 QCISD(T)=FULL/6-31+G**
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' 3301 3301        
2 A' 3221 3221        
3 A' 3212 3212        
4 A' 3198 3198        
5 A' 3081 3081        
6 A' 1757 1757        
7 A' 1538 1538        
8 A' 1509 1509        
9 A' 1451 1451        
10 A' 1418 1418        
11 A' 1242 1242        
12 A' 1217 1217        
13 A' 1129 1129        
14 A' 1100 1100        
15 A' 995 995        
16 A' 934 934        
17 A' 824 824        
18 A' 761 761        
19 A' 590 590        
20 A' 374 374        
21 A' 237 237        
22 A" 3289 3289        
23 A" 3194 3194        
24 A" 3158 3158        
25 A" 1513 1513        
26 A" 1497 1497        
27 A" 1236 1236        
28 A" 1153 1153        
29 A" 1120 1120        
30 A" 1064 1064        
31 A" 903 903        
32 A" 849 849        
33 A" 601 601        
34 A" 261 261        
35 A" 128 128        
36 A" 71 71        

Unscaled Zero Point Vibrational Energy (zpe) 26562.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26562.5 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 QCISD(T)=FULL/6-31+G**
ABC
0.23854 0.08727 0.07620

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.491 -0.557 0.000
C2 -0.276 -0.761 0.000
C3 0.301 -2.160 0.000
C4 0.700 0.370 0.000
C5 0.301 1.635 0.747
C6 0.301 1.635 -0.747
H7 -0.504 -2.892 0.000
H8 0.933 -2.300 -0.881
H9 0.933 -2.300 0.881
H10 1.750 0.102 0.000
H11 -0.659 1.602 1.244
H12 1.087 2.167 1.266
H13 -0.659 1.602 -1.244
H14 1.087 2.167 -1.266

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23202.40502.37892.92802.92802.53503.11293.11293.30722.62673.95862.62673.9586
C21.23201.51411.49382.57482.57482.14322.14642.14642.20202.69753.46892.69753.4689
C32.40501.51412.56173.86793.86791.08791.09301.09302.68644.07744.57674.07744.5767
C42.37891.49382.56171.52181.52183.47702.82152.82151.08362.21632.23192.21632.2319
C52.92802.57483.86791.52181.49374.65794.30493.98752.23721.08211.08202.21082.2254
C62.92802.57483.86791.52181.49374.65793.98754.30492.23722.21082.22541.08211.0820
H72.53502.14321.08793.47704.65794.65791.78621.78623.74744.66535.45224.66535.4522
H83.11292.14641.09302.82154.30493.98751.78621.76252.68614.71984.95874.22984.4863
H93.11292.14641.09302.82153.98754.30491.78621.76252.68614.22984.48634.71984.9587
H103.30722.20202.68641.08362.23722.23723.74742.68612.68613.09852.51093.09852.5109
H112.62672.69754.07742.21631.08212.21084.66534.71984.22983.09851.83602.48813.1097
H123.95863.46894.57672.23191.08202.22545.45224.95874.48632.51091.83603.10972.5318
H132.62672.69754.07742.21632.21081.08214.66534.22984.71983.09852.48813.10971.8360
H143.95863.46894.57672.23192.22541.08205.45224.48634.95872.51093.10972.53181.8360

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 121.947 O1 C2 C4 121.266
C2 C3 H7 109.828 C2 C3 H8 109.783
C2 C3 H9 109.783 C2 C4 C5 117.259
C2 C4 C6 117.259 C2 C4 H10 116.474
C3 C2 C4 116.787 C4 C5 C6 60.609
C4 C5 H11 115.642 C4 C5 H12 116.991
C4 C6 C5 60.609 C4 C6 H13 115.642
C4 C6 H14 116.991 C5 C4 C6 58.782
C5 C4 H10 117.342 C5 C6 H13 117.354
C5 C6 H14 118.667 C6 C4 H10 117.342
C6 C5 H11 117.354 C6 C5 H12 118.667
H7 C3 H8 109.975 H7 C3 H9 109.975
H8 C3 H9 107.462 H11 C5 H12 116.072
H13 C6 H14 116.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability