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

using model chemistry: CCSD/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/TZVP
 hartrees
Energy at 0K-269.884441
Energy at 298.15K-269.893211
HF Energy-268.920554
Nuclear repulsion energy230.510369
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/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' 3281 3131 7.10      
2 A' 3214 3068 8.13      
3 A' 3184 3039 10.79      
4 A' 3181 3036 10.40      
5 A' 3065 2926 4.50      
6 A' 1807 1725 121.83      
7 A' 1538 1468 9.55      
8 A' 1499 1430 11.23      
9 A' 1451 1385 85.59      
10 A' 1417 1353 6.53      
11 A' 1249 1192 18.69      
12 A' 1217 1162 68.58      
13 A' 1142 1090 8.25      
14 A' 1119 1068 9.19      
15 A' 995 950 43.99      
16 A' 933 891 17.48      
17 A' 832 794 1.14      
18 A' 765 730 0.47      
19 A' 603 576 12.39      
20 A' 380 363 3.51      
21 A' 246 235 3.76      
22 A" 3267 3118 0.40      
23 A" 3177 3032 13.44      
24 A" 3134 2991 10.92      
25 A" 1505 1436 8.07      
26 A" 1498 1429 2.68      
27 A" 1244 1187 0.32      
28 A" 1166 1113 2.14      
29 A" 1139 1087 2.51      
30 A" 1078 1029 1.03      
31 A" 915 873 0.09      
32 A" 858 819 7.00      
33 A" 613 585 2.46      
34 A" 271 259 0.57      
35 A" 150 143 0.00      
36 A" 71 68 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 26601.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 25388.6 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/TZVP
ABC
0.24009 0.08770 0.07663

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.485 -0.560 0.000
C2 -0.286 -0.759 0.000
C3 0.303 -2.153 0.000
C4 0.693 0.370 0.000
C5 0.303 1.630 0.746
C6 0.303 1.630 -0.746
H7 -0.493 -2.895 0.000
H8 0.936 -2.285 -0.881
H9 0.936 -2.285 0.881
H10 1.741 0.098 0.000
H11 -0.659 1.607 1.240
H12 1.091 2.160 1.263
H13 -0.659 1.607 -1.240
H14 1.091 2.160 -1.263

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21512.39422.36792.92332.92332.53673.10033.10033.29182.62883.95292.62883.9529
C21.21511.51301.49412.57102.57102.14592.14442.14442.20042.69653.46582.69653.4658
C32.39421.51302.55233.85563.85561.08831.09331.09332.67054.07354.56254.07354.5625
C42.36791.49412.55231.51581.51583.47322.80742.80741.08232.21272.22702.21272.2270
C52.92332.57103.85561.51581.49124.65454.28673.96822.23011.08161.08142.20622.2216
C62.92332.57103.85561.51581.49124.65453.96824.28672.23012.20622.22161.08161.0814
H72.53672.14591.08833.47324.65454.65451.78651.78653.73434.67185.44584.67185.4458
H83.10032.14441.09332.80744.28673.96821.78651.76282.66474.71024.93774.22084.4641
H93.10032.14441.09332.80743.96824.28671.78651.76282.66474.22084.46414.71024.9377
H103.29182.20042.67051.08232.23012.23013.73432.66472.66473.09422.50453.09422.5045
H112.62882.69654.07352.21271.08162.20624.67184.71024.22083.09421.83552.47953.1035
H123.95293.46584.56252.22701.08142.22165.44584.93774.46412.50451.83553.10352.5257
H132.62882.69654.07352.21272.20621.08164.67184.22084.71023.09422.47953.10351.8355
H143.95293.46584.56252.22702.22161.08145.44584.46414.93772.50453.10352.52571.8355

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 122.334 O1 C2 C4 121.516
C2 C3 H7 110.092 C2 C3 H8 109.678
C2 C3 H9 109.678 C2 C4 C5 117.337
C2 C4 C6 117.337 C2 C4 H10 116.396
C3 C2 C4 116.150 C4 C5 C6 60.537
C4 C5 H11 115.828 C4 C5 H12 117.074
C4 C6 C5 60.537 C4 C6 H13 115.828
C4 C6 H14 117.074 C5 C4 C6 58.927
C5 C4 H10 117.286 C5 C6 H13 117.187
C5 C6 H14 118.576 C6 C4 H10 117.286
C6 C5 H11 117.187 C6 C5 H12 118.576
H7 C3 H8 109.951 H7 C3 H9 109.951
H8 C3 H9 107.448 H11 C5 H12 116.114
H13 C6 H14 116.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability