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

using model chemistry: QCISD/aug-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 QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-269.825264
Energy at 298.15K-269.833873
HF Energy-268.864567
Nuclear repulsion energy228.738331
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/aug-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' 3260 3158 7.20      
2 A' 3189 3089 8.92      
3 A' 3163 3064 10.80      
4 A' 3157 3058 10.48      
5 A' 3037 2942 4.84      
6 A' 1754 1700 129.35      
7 A' 1501 1454 15.90      
8 A' 1460 1414 14.64      
9 A' 1431 1386 88.77      
10 A' 1377 1334 7.06      
11 A' 1224 1185 5.74      
12 A' 1202 1164 70.07      
13 A' 1107 1072 8.93      
14 A' 1054 1021 7.86      
15 A' 977 946 36.35      
16 A' 925 896 16.72      
17 A' 799 774 1.06      
18 A' 749 726 0.39      
19 A' 588 569 12.79      
20 A' 370 358 3.81      
21 A' 236 228 4.09      
22 A" 3247 3145 0.38      
23 A" 3152 3053 13.91      
24 A" 3109 3012 10.23      
25 A" 1471 1425 7.67      
26 A" 1452 1407 2.17      
27 A" 1203 1165 0.40      
28 A" 1120 1085 1.74      
29 A" 1082 1048 1.42      
30 A" 1043 1011 1.66      
31 A" 883 855 0.98      
32 A" 831 805 5.46      
33 A" 594 575 1.77      
34 A" 257 249 0.66      
35 A" 146 142 0.01      
36 A" 61 59 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 26103.3 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 25286.3 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 QCISD/aug-cc-pVDZ
ABC
0.23648 0.08655 0.07567

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.492 -0.560 0.000
C2 -0.282 -0.763 0.000
C3 0.301 -2.168 0.000
C4 0.704 0.371 0.000
C5 0.301 1.641 0.753
C6 0.301 1.641 -0.753
H7 -0.507 -2.913 0.000
H8 0.942 -2.302 -0.890
H9 0.942 -2.302 0.890
H10 1.763 0.098 0.000
H11 -0.670 1.603 1.253
H12 1.095 2.179 1.276
H13 -0.670 1.603 -1.253
H14 1.095 2.179 -1.276

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22772.40882.38532.93712.93712.55103.12293.12293.32122.63193.97812.63193.9781
C21.22771.52071.50232.58582.58582.16162.15802.15802.21862.70593.49002.70593.4900
C32.40881.52072.57023.88263.88261.09941.10501.10502.69654.09094.59924.09094.5992
C42.38531.50232.57021.53061.53063.49992.82702.82701.09372.23102.24752.23102.2475
C52.93712.58583.88261.53061.50524.68614.31943.99722.25501.09291.09282.22872.2441
C62.93712.58583.88261.53061.50524.68613.99724.31942.25502.22872.24411.09291.0928
H72.55102.16161.09943.49994.68614.68611.80711.80713.77104.68995.48854.68995.4885
H83.12292.15801.10502.82704.31943.99721.80711.78052.68834.73754.97944.24044.5000
H93.12292.15801.10502.82703.99724.31941.80711.78052.68834.24044.50004.73754.9794
H103.32122.21862.69651.09372.25502.25503.77102.68832.68833.12342.53063.12342.5306
H112.63192.70594.09092.23101.09292.22874.68994.73754.24043.12341.85672.50653.1376
H123.97813.49004.59922.24751.09282.24415.48854.97944.50002.53061.85673.13762.5522
H132.63192.70594.09092.23102.22871.09294.68994.24044.73753.12342.50653.13761.8567
H143.97813.49004.59922.24752.24411.09285.48854.50004.97942.53063.13762.55221.8567

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 122.066 O1 C2 C4 121.463
C2 C3 H7 110.137 C2 C3 H8 109.530
C2 C3 H9 109.530 C2 C4 C5 116.987
C2 C4 C6 116.987 C2 C4 H10 116.561
C3 C2 C4 116.471 C4 C5 C6 60.548
C4 C5 H11 115.496 C4 C5 H12 116.914
C4 C6 C5 60.548 C4 C6 H13 115.496
C4 C6 H14 116.914 C5 C4 C6 58.904
C5 C4 H10 117.505 C5 C6 H13 117.264
C5 C6 H14 118.623 C6 C4 H10 117.505
C6 C5 H11 117.264 C6 C5 H12 118.623
H7 C3 H8 110.121 H7 C3 H9 110.121
H8 C3 H9 107.355 H11 C5 H12 116.306
H13 C6 H14 116.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability