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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-269.226453
Energy at 298.15K-269.235316
HF Energy-268.711050
Nuclear repulsion energy228.851021
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 CISD/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' 3340 3133 9.18      
2 A' 3268 3065 7.96      
3 A' 3243 3042 6.78      
4 A' 3233 3032 12.46      
5 A' 3113 2920 4.45      
6 A' 1782 1671 93.48      
7 A' 1588 1489 5.85      
8 A' 1571 1473 16.05      
9 A' 1504 1410 70.32      
10 A' 1495 1402 40.66      
11 A' 1292 1211 77.47      
12 A' 1260 1182 16.44      
13 A' 1190 1116 6.77      
14 A' 1172 1099 16.61      
15 A' 1052 987 34.39      
16 A' 958 898 31.77      
17 A' 869 815 0.78      
18 A' 788 739 0.34      
19 A' 617 579 13.45      
20 A' 393 368 4.52      
21 A' 250 234 5.51      
22 A" 3325 3119 0.58      
23 A" 3236 3035 11.58      
24 A" 3179 2982 11.91      
25 A" 1575 1477 12.47      
26 A" 1563 1466 4.64      
27 A" 1292 1212 0.15      
28 A" 1226 1150 0.43      
29 A" 1213 1138 7.03      
30 A" 1138 1067 3.23      
31 A" 964 904 0.13      
32 A" 872 817 7.23      
33 A" 638 598 3.17      
34 A" 272 255 0.50      
35 A" 141 132 0.04      
36 A" 67 63 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 27339.7 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 25639.2 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 CISD/6-31G
ABC
0.23748 0.08623 0.07546

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.497 -0.569 0.000
C2 -0.270 -0.766 0.000
C3 0.304 -2.167 0.000
C4 0.695 0.371 0.000
C5 0.304 1.646 0.750
C6 0.304 1.646 -0.750
H7 -0.510 -2.893 0.000
H8 0.932 -2.321 -0.883
H9 0.932 -2.321 0.883
H10 1.742 0.098 0.000
H11 -0.655 1.627 1.252
H12 1.086 2.176 1.277
H13 -0.655 1.627 -1.252
H14 1.086 2.176 -1.277

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.24282.40732.38442.95152.95152.52453.12183.12183.30662.66453.97982.66453.9798
C21.24281.51391.49082.59062.59062.14002.15432.15432.18922.72833.48242.72833.4824
C32.40731.51392.56823.88683.88681.08961.09481.09482.68314.10914.59474.10914.5947
C42.38441.49082.56821.53061.53063.47862.84312.84311.08252.22862.24592.22862.2459
C52.95152.59063.88681.53061.50084.67184.33634.01892.24301.08191.08202.21992.2371
C62.95152.59063.88681.53061.50084.67184.01894.33632.24302.21992.23711.08191.0820
H72.52452.14001.08963.47864.67184.67181.78441.78443.74314.69235.46564.69235.4656
H83.12182.15431.09482.84314.33634.01891.78441.76692.69944.76084.99194.27104.5173
H93.12182.15431.09482.84314.01894.33631.78441.76692.69944.27104.51734.76084.9919
H103.30662.18922.68311.08252.24302.24303.74312.69942.69943.10682.52653.10682.5265
H112.66452.72834.10912.22861.08192.21994.69234.76084.27103.10681.82562.50363.1190
H123.97983.48244.59472.24591.08202.23715.46564.99194.51732.52651.82563.11902.5544
H132.66452.72834.10912.22862.21991.08194.69234.27104.76083.10682.50363.11901.8256
H143.97983.48244.59472.24592.23711.08205.46564.51734.99192.52653.11902.55441.8256

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 121.369 O1 C2 C4 121.176
C2 C3 H7 109.487 C2 C3 H8 110.310
C2 C3 H9 110.310 C2 C4 C5 118.051
C2 C4 C6 118.051 C2 C4 H10 115.671
C3 C2 C4 117.455 C4 C5 C6 60.642
C4 C5 H11 116.038 C4 C5 H12 117.527
C4 C6 C5 60.642 C4 C6 H13 116.038
C4 C6 H14 117.527 C5 C4 C6 58.717
C5 C4 H10 117.237 C5 C6 H13 117.612
C5 C6 H14 119.135 C6 C4 H10 117.237
C6 C5 H11 117.612 C6 C5 H12 119.135
H7 C3 H8 109.553 H7 C3 H9 109.553
H8 C3 H9 107.602 H11 C5 H12 115.063
H13 C6 H14 115.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability