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

using model chemistry: QCISD/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 QCISD/TZVP
 hartrees
Energy at 0K-269.887316
Energy at 298.15K-269.896076
HF Energy-268.920311
Nuclear repulsion energy230.400504
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/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' 3278 3131 7.28      
2 A' 3212 3068 8.35      
3 A' 3181 3039 10.61      
4 A' 3178 3036 10.96      
5 A' 3062 2925 4.70      
6 A' 1786 1706 120.99      
7 A' 1536 1468 9.33      
8 A' 1497 1430 11.66      
9 A' 1448 1383 84.88      
10 A' 1416 1352 6.47      
11 A' 1247 1191 18.45      
12 A' 1215 1161 69.17      
13 A' 1140 1089 7.76      
14 A' 1117 1067 9.17      
15 A' 993 949 45.78      
16 A' 931 889 16.93      
17 A' 831 794 1.29      
18 A' 763 729 0.47      
19 A' 601 574 11.84      
20 A' 380 363 3.47      
21 A' 246 235 3.77      
22 A" 3265 3119 0.40      
23 A" 3174 3032 13.64      
24 A" 3131 2991 11.11      
25 A" 1504 1437 7.99      
26 A" 1497 1430 2.62      
27 A" 1243 1187 0.31      
28 A" 1166 1114 2.14      
29 A" 1138 1087 2.47      
30 A" 1075 1027 1.03      
31 A" 913 872 0.07      
32 A" 857 819 6.95      
33 A" 611 584 2.53      
34 A" 270 258 0.58      
35 A" 148 141 0.00      
36 A" 72 68 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 26560.2 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 25373.0 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/TZVP
ABC
0.23968 0.08768 0.07657

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.486 -0.559 0.000
C2 -0.286 -0.759 0.000
C3 0.303 -2.153 0.000
C4 0.694 0.369 0.000
C5 0.303 1.630 0.746
C6 0.303 1.630 -0.746
H7 -0.493 -2.896 0.000
H8 0.936 -2.286 -0.882
H9 0.936 -2.286 0.882
H10 1.742 0.098 0.000
H11 -0.659 1.606 1.240
H12 1.091 2.161 1.263
H13 -0.659 1.606 -1.240
H14 1.091 2.161 -1.263

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21752.39692.37012.92422.92422.53913.10303.10303.29472.62843.95402.62843.9540
C21.21751.51361.49442.57122.57122.14672.14502.14502.20122.69633.46622.69633.4662
C32.39691.51362.55303.85653.85651.08851.09351.09352.67184.07394.56374.07394.5637
C42.37011.49442.55301.51621.51623.47432.80802.80801.08252.21322.22742.21322.2274
C52.92422.57123.85651.51621.49144.65554.28763.96912.23071.08181.08162.20642.2222
C62.92422.57123.85651.51621.49144.65553.96914.28762.23072.20642.22221.08181.0816
H72.53912.14671.08853.47434.65554.65551.78701.78703.73594.67235.44714.67235.4471
H83.10302.14501.09352.80804.28763.96911.78701.76322.66584.71074.93894.22124.4652
H93.10302.14501.09352.80803.96914.28761.78701.76322.66584.22124.46524.71074.9389
H103.29472.20122.67181.08252.23072.23073.73592.66582.66583.09492.50513.09492.5051
H112.62842.69634.07392.21321.08182.20644.67234.71074.22123.09491.83592.47953.1041
H123.95403.46624.56372.22741.08162.22225.44714.93894.46522.50511.83593.10412.5266
H132.62842.69634.07392.21322.20641.08184.67234.22124.71073.09492.47953.10411.8359
H143.95403.46624.56372.22742.22221.08165.44714.46524.93892.50513.10412.52661.8359

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 122.344 O1 C2 C4 121.510
C2 C3 H7 110.103 C2 C3 H8 109.665
C2 C3 H9 109.665 C2 C4 C5 117.302
C2 C4 C6 117.302 C2 C4 H10 116.432
C3 C2 C4 116.146 C4 C5 C6 60.540
C4 C5 H11 115.819 C4 C5 H12 117.070
C4 C6 C5 60.540 C4 C6 H13 115.819
C4 C6 H14 117.070 C5 C4 C6 58.920
C5 C4 H10 117.293 C5 C6 H13 117.173
C5 C6 H14 118.589 C6 C4 H10 117.293
C6 C5 H11 117.173 C6 C5 H12 118.589
H7 C3 H8 109.955 H7 C3 H9 109.955
H8 C3 H9 107.454 H11 C5 H12 116.121
H13 C6 H14 116.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability