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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-269.730829
Energy at 298.15K-269.739488
HF Energy-268.831454
Nuclear repulsion energy229.683612
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 CCSD(T)/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' 3258 3135        
2 A' 3180 3059        
3 A' 3173 3053        
4 A' 3162 3042        
5 A' 3051 2935        
6 A' 1783 1715        
7 A' 1535 1477        
8 A' 1513 1455        
9 A' 1452 1397        
10 A' 1419 1365        
11 A' 1246 1199        
12 A' 1223 1176        
13 A' 1130 1087        
14 A' 1097 1056        
15 A' 998 960        
16 A' 941 905        
17 A' 823 792        
18 A' 765 736        
19 A' 594 572        
20 A' 375 361        
21 A' 245 236        
22 A" 3246 3123        
23 A" 3159 3039        
24 A" 3120 3002        
25 A" 1517 1459        
26 A" 1491 1435        
27 A" 1234 1187        
28 A" 1149 1105        
29 A" 1115 1073        
30 A" 1071 1031        
31 A" 909 875        
32 A" 853 820        
33 A" 604 581        
34 A" 264 254        
35 A" 137 132        
36 A" 73 70        

Unscaled Zero Point Vibrational Energy (zpe) 26451.2 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 25448.7 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 CCSD(T)/6-31G*
ABC
0.23866 0.08737 0.07634

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.484 -0.547 0.000
C2 -0.273 -0.759 0.000
C3 0.297 -2.164 0.000
C4 0.707 0.371 0.000
C5 0.297 1.631 0.747
C6 0.297 1.631 -0.747
H7 -0.520 -2.892 0.000
H8 0.931 -2.313 -0.886
H9 0.931 -2.313 0.886
H10 1.765 0.106 0.000
H11 -0.668 1.587 1.249
H12 1.079 2.177 1.273
H13 -0.668 1.587 -1.249
H14 1.079 2.177 -1.273

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22952.40572.37592.91182.91182.53523.12033.12033.31402.60383.95112.60383.9511
C21.22951.51601.49592.56882.56882.14682.15622.15622.21392.68673.47402.68673.4740
C32.40571.51602.56743.86823.86821.09441.09941.09942.70264.06904.59054.06904.5905
C42.37591.49592.56741.52181.52183.48562.83502.83501.09032.22002.24082.22002.2408
C52.91182.56883.86821.52181.49404.65684.31603.99762.24511.08841.08872.21712.2336
C62.91182.56883.86821.52181.49404.65683.99764.31602.24512.21712.23361.08841.0887
H72.53522.14681.09443.48564.65684.65681.79581.79583.76894.65175.46514.65175.4651
H83.12032.15621.09942.83504.31603.99761.79581.77192.70744.72444.98414.23034.5089
H93.12032.15621.09942.83503.99764.31601.79581.77192.70744.23034.50894.72444.9841
H103.31402.21392.70261.09032.24512.24513.76892.70742.70743.10972.52613.10972.5261
H112.60382.68674.06902.22001.08842.21714.65174.72444.23033.10971.84372.49743.1238
H123.95113.47404.59052.24081.08872.23365.46514.98414.50892.52611.84373.12382.5461
H132.60382.68674.06902.22002.21711.08844.65174.23034.72443.10972.49743.12381.8437
H143.95113.47404.59052.24082.23361.08875.46514.50894.98412.52613.12382.54611.8437

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 122.031 O1 C2 C4 121.019
C2 C3 H7 109.593 C2 C3 H8 110.036
C2 C3 H9 110.036 C2 C4 C5 116.694
C2 C4 C6 116.694 C2 C4 H10 116.879
C3 C2 C4 116.951 C4 C5 C6 60.604
C4 C5 H11 115.531 C4 C5 H12 117.302
C4 C6 C5 60.604 C4 C6 H13 115.531
C4 C6 H14 117.302 C5 C4 C6 58.793
C5 C4 H10 117.566 C5 C6 H13 117.449
C5 C6 H14 118.894 C6 C4 H10 117.566
C6 C5 H11 117.449 C6 C5 H12 118.894
H7 C3 H8 109.886 H7 C3 H9 109.886
H8 C3 H9 107.376 H11 C5 H12 115.750
H13 C6 H14 115.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability