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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-269.053218
Energy at 298.15K-269.061944
HF Energy-269.053218
Nuclear repulsion energy229.677424
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 B3LYP/3-21G
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' 3273 3158 3.49      
2 A' 3225 3112 4.55      
3 A' 3170 3058 6.64      
4 A' 3163 3052 11.02      
5 A' 3049 2942 1.80      
6 A' 1730 1669 62.10      
7 A' 1523 1469 9.89      
8 A' 1508 1455 11.20      
9 A' 1431 1380 30.53      
10 A' 1401 1352 85.24      
11 A' 1208 1165 95.23      
12 A' 1193 1151 12.73      
13 A' 1126 1087 12.70      
14 A' 1089 1050 14.78      
15 A' 980 946 50.39      
16 A' 884 853 26.40      
17 A' 825 796 3.57      
18 A' 765 738 0.15      
19 A' 588 567 5.24      
20 A' 386 372 6.06      
21 A' 257 248 4.89      
22 A" 3257 3142 0.42      
23 A" 3168 3057 9.80      
24 A" 3101 2992 7.01      
25 A" 1544 1490 12.87      
26 A" 1492 1440 8.11      
27 A" 1234 1190 0.01      
28 A" 1149 1108 2.21      
29 A" 1140 1100 3.62      
30 A" 1093 1055 9.18      
31 A" 900 869 2.65      
32 A" 802 774 3.31      
33 A" 642 620 0.65      
34 A" 268 259 0.10      
35 A" 144 139 0.37      
36 A" 76 73 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 26389.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 25463.4 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 B3LYP/3-21G
ABC
0.23576 0.08838 0.07692

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.328 -0.846 0.000
C2 -0.091 -0.793 0.000
C3 0.787 -2.034 0.000
C4 0.627 0.511 0.000
C5 -0.091 1.645 0.753
C6 -0.091 1.645 -0.753
H7 0.160 -2.926 0.000
H8 1.436 -2.034 -0.885
H9 1.436 -2.034 0.885
H10 1.708 0.487 0.000
H11 -1.011 1.348 1.240
H12 0.528 2.366 1.273
H13 -1.011 1.348 -1.240
H14 0.528 2.366 -1.273

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23882.42632.38052.88232.88232.55753.13603.13603.31612.54033.92252.54033.9225
C21.23881.52061.48822.55152.55152.14862.15772.15772.20722.63923.46112.63923.4611
C32.42631.52062.55003.85693.85691.09131.09731.09732.68334.02584.58764.02584.5876
C42.38051.48822.55001.53911.53913.46922.81372.81371.08122.21852.25182.21852.2518
C52.88232.55153.85691.53911.50524.64024.30753.98612.26831.08331.08292.21542.2369
C62.88232.55153.85691.53911.50524.64023.98614.30752.26832.21542.23691.08331.0829
H72.55752.14861.09133.46924.64024.64021.79101.79103.74784.60185.45584.60185.4558
H83.13602.15771.09732.81374.30753.98611.79101.77092.68584.68434.98444.18914.5097
H93.13602.15771.09732.81373.98614.30751.79101.77092.68584.18914.50974.68434.9844
H103.31612.20722.68331.08122.26832.26833.74782.68582.68583.11022.55823.11022.5582
H112.54032.63924.02582.21851.08332.21544.60184.68434.18913.11021.84582.48103.1180
H123.92253.46114.58762.25181.08292.23695.45584.98444.50972.55821.84583.11802.5453
H132.54032.63924.02582.21852.21541.08334.60184.18914.68433.11022.48103.11801.8458
H143.92253.46114.58762.25182.23691.08295.45584.50974.98442.55823.11802.54531.8458

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 122.786 O1 C2 C4 121.334
C2 C3 H7 109.600 C2 C3 H8 109.967
C2 C3 H9 109.967 C2 C4 C5 114.876
C2 C4 C6 114.876 C2 C4 H10 117.543
C3 C2 C4 115.880 C4 C5 C6 60.726
C4 C5 H11 114.438 C4 C5 H12 117.303
C4 C6 C5 60.726 C4 C6 H13 114.438
C4 C6 H14 117.303 C5 C4 C6 58.547
C5 C4 H10 118.884 C5 C6 H13 116.769
C5 C6 H14 118.703 C6 C4 H10 118.884
C6 C5 H11 116.769 C6 C5 H12 118.703
H7 C3 H8 109.843 H7 C3 H9 109.843
H8 C3 H9 107.594 H11 C5 H12 116.881
H13 C6 H14 116.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.467      
2 C 0.479      
3 C -0.630      
4 C -0.402      
5 C -0.347      
6 C -0.347      
7 H 0.222      
8 H 0.215      
9 H 0.215      
10 H 0.191      
11 H 0.229      
12 H 0.206      
13 H 0.229      
14 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.575 0.553 0.000 2.633
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.651 -1.811 0.000
y -1.811 -34.739 0.000
z 0.000 0.000 -35.987
Traceless
 xyz
x -3.288 -1.811 0.000
y -1.811 2.579 0.000
z 0.000 0.000 0.709
Polar
3z2-r21.417
x2-y2-3.912
xy-1.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.109 -0.166 0.000
y -0.166 8.502 0.000
z 0.000 0.000 5.957


<r2> (average value of r2) Å2
<r2> 167.750
(<r2>)1/2 12.952