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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-269.922637
Energy at 298.15K-269.931357
HF Energy-268.919504
Nuclear repulsion energy229.992267
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)/TZVP
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' 3262 3139        
2 A' 3193 3073        
3 A' 3165 3047        
4 A' 3160 3041        
5 A' 3044 2930        
6 A' 1755 1689        
7 A' 1519 1462        
8 A' 1485 1429        
9 A' 1429 1376        
10 A' 1400 1347        
11 A' 1232 1186        
12 A' 1201 1156        
13 A' 1128 1086        
14 A' 1106 1064        
15 A' 981 944        
16 A' 917 883        
17 A' 825 794        
18 A' 756 728        
19 A' 594 572        
20 A' 376 362        
21 A' 243 234        
22 A" 3249 3127        
23 A" 3156 3038        
24 A" 3113 2996        
25 A" 1492 1436        
26 A" 1483 1428        
27 A" 1232 1186        
28 A" 1153 1110        
29 A" 1122 1080        
30 A" 1062 1022        
31 A" 899 865        
32 A" 843 811        
33 A" 603 581        
34 A" 268 258        
35 A" 150 145        
36 A" 76 73        

Unscaled Zero Point Vibrational Energy (zpe) 26335.2 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 25347.7 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)/TZVP
ABC
0.23869 0.08748 0.07638

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.489 -0.555 0.000
C2 -0.284 -0.760 0.000
C3 0.302 -2.158 0.000
C4 0.698 0.368 0.000
C5 0.302 1.632 0.748
C6 0.302 1.632 -0.748
H7 -0.498 -2.898 0.000
H8 0.936 -2.291 -0.883
H9 0.936 -2.291 0.883
H10 1.749 0.098 0.000
H11 -0.662 1.602 1.241
H12 1.091 2.165 1.265
H13 -0.662 1.602 -1.241
H14 1.091 2.165 -1.265

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22212.40302.37402.92432.92432.54363.11023.11023.30252.62213.95632.62213.9563
C21.22211.51601.49532.57352.57352.14922.14812.14812.20592.69403.47012.69403.4701
C32.40301.51602.55653.86303.86301.09001.09511.09512.67984.07464.57244.07464.5724
C42.37401.49532.55651.52131.52133.47812.81212.81211.08422.21642.23222.21642.2322
C52.92432.57353.86301.52131.49514.66074.29603.97692.23701.08341.08302.20982.2259
C62.92432.57353.86301.52131.49514.66073.97694.29602.23702.20982.22591.08341.0830
H72.54362.14921.09003.47814.66074.66071.78991.78993.74484.67055.45504.67055.4550
H83.11022.14811.09512.81214.29603.97691.78991.76572.67394.71384.94934.22364.4754
H93.11022.14811.09512.81213.97694.29601.78991.76572.67394.22364.47544.71384.9493
H103.30252.20592.67981.08422.23702.23703.74482.67392.67393.10012.51083.10012.5108
H112.62212.69404.07462.21641.08342.20984.67054.71384.22363.10011.84112.48133.1090
H123.95633.47014.57242.23221.08302.22595.45504.94934.47542.51081.84113.10902.5295
H132.62212.69404.07462.21642.20981.08344.67054.22364.71383.10012.48133.10901.8411
H143.95633.47014.57242.23222.22591.08305.45504.47544.94932.51083.10902.52951.8411

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 122.354 O1 C2 C4 121.442
C2 C3 H7 110.045 C2 C3 H8 109.657
C2 C3 H9 109.657 C2 C4 C5 117.102
C2 C4 C6 117.102 C2 C4 H10 116.655
C3 C2 C4 116.203 C4 C5 C6 60.570
C4 C5 H11 115.595 C4 C5 H12 116.988
C4 C6 C5 60.570 C4 C6 H13 115.595
C4 C6 H14 116.988 C5 C4 C6 58.861
C5 C4 H10 117.324 C5 C6 H13 117.074
C5 C6 H14 118.526 C6 C4 H10 117.324
C6 C5 H11 117.074 C6 C5 H12 118.526
H7 C3 H8 109.998 H7 C3 H9 109.998
H8 C3 H9 107.444 H11 C5 H12 116.388
H13 C6 H14 116.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability