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

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-269.777624
Energy at 298.15K-269.786303
HF Energy-268.852328
Nuclear repulsion energy229.027849
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/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' 3275 3142 5.88      
2 A' 3201 3071 8.55      
3 A' 3187 3057 9.53      
4 A' 3171 3042 8.80      
5 A' 3061 2937 4.89      
6 A' 1804 1731 108.22      
7 A' 1512 1450 17.16      
8 A' 1465 1406 12.09      
9 A' 1436 1377 91.25      
10 A' 1385 1329 5.79      
11 A' 1233 1183 2.74      
12 A' 1206 1157 76.96      
13 A' 1114 1069 9.11      
14 A' 1074 1031 7.44      
15 A' 984 944 36.74      
16 A' 938 900 10.06      
17 A' 807 774 1.48      
18 A' 757 726 0.27      
19 A' 592 568 12.98      
20 A' 373 358 3.84      
21 A' 243 233 3.74      
22 A" 3262 3130 0.43      
23 A" 3165 3037 11.86      
24 A" 3140 3012 9.73      
25 A" 1478 1418 8.04      
26 A" 1452 1393 2.46      
27 A" 1211 1162 0.24      
28 A" 1132 1086 1.67      
29 A" 1098 1053 1.36      
30 A" 1055 1012 2.30      
31 A" 903 866 1.07      
32 A" 840 806 4.64      
33 A" 602 578 1.56      
34 A" 264 253 0.39      
35 A" 153 146 0.05      
36 A" 68 65 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 26319.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 25251.0 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/cc-pVDZ
ABC
0.23722 0.08683 0.07592

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.487 -0.553 0.000
C2 -0.283 -0.762 0.000
C3 0.299 -2.167 0.000
C4 0.707 0.371 0.000
C5 0.299 1.637 0.751
C6 0.299 1.637 -0.751
H7 -0.512 -2.912 0.000
H8 0.939 -2.306 -0.891
H9 0.939 -2.306 0.891
H10 1.768 0.101 0.000
H11 -0.674 1.595 1.252
H12 1.089 2.183 1.276
H13 -0.674 1.595 -1.252
H14 1.089 2.183 -1.276

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22192.40752.38032.92372.92372.55263.12333.12333.32032.61553.96872.61553.9687
C21.22191.52071.50482.58052.58052.16152.16142.16142.22582.69763.49122.69763.4912
C32.40751.52072.57073.87743.87741.10081.10581.10582.70264.08264.60214.08264.6021
C42.38031.50482.57071.52741.52743.50162.83122.83121.09532.22962.24932.22962.2493
C52.92372.58053.87741.52741.50234.68094.31913.99732.25421.09481.09482.22692.2435
C62.92372.58053.87741.52741.50234.68093.99734.31912.25422.22692.24351.09481.0948
H72.55262.16151.10083.50164.68094.68091.80711.80713.77844.68025.49094.68025.4909
H83.12332.16141.10582.83124.31913.99731.80711.78172.69774.73434.98754.23724.5087
H93.12332.16141.10582.83123.99734.31911.80711.78172.69774.23724.50874.73434.9875
H103.32032.22582.70261.09532.25422.25423.77842.69772.69773.12452.53483.12452.5348
H112.61552.69764.08262.22961.09482.22694.68024.73434.23723.12451.85862.50333.1375
H123.96873.49124.60212.24931.09482.24355.49094.98754.50872.53481.85863.13752.5524
H132.61552.69764.08262.22962.22691.09484.68024.23724.73433.12452.50333.13751.8586
H143.96873.49124.60212.24932.24351.09485.49094.50874.98752.53483.13752.55241.8586

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 122.390 O1 C2 C4 121.257
C2 C3 H7 110.047 C2 C3 H8 109.751
C2 C3 H9 109.751 C2 C4 C5 116.650
C2 C4 C6 116.650 C2 C4 H10 116.876
C3 C2 C4 116.353 C4 C5 C6 60.542
C4 C5 H11 115.500 C4 C5 H12 117.184
C4 C6 C5 60.542 C4 C6 H13 115.500
C4 C6 H14 117.184 C5 C4 C6 58.917
C5 C4 H10 117.576 C5 C6 H13 117.203
C5 C6 H14 118.660 C6 C4 H10 117.576
C6 C5 H11 117.203 C6 C5 H12 118.660
H7 C3 H8 109.955 H7 C3 H9 109.955
H8 C3 H9 107.338 H11 C5 H12 116.170
H13 C6 H14 116.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability