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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-268.928682
Energy at 298.15K-268.937200
HF Energy-268.928682
Nuclear repulsion energy227.651629
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 BLYP/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' 3191 3170 5.80      
2 A' 3139 3118 6.41      
3 A' 3087 3067 8.18      
4 A' 3082 3062 14.62      
5 A' 2969 2950 2.80      
6 A' 1648 1637 49.84      
7 A' 1487 1477 10.90      
8 A' 1464 1454 11.20      
9 A' 1387 1378 23.38      
10 A' 1348 1339 72.88      
11 A' 1164 1157 88.52      
12 A' 1149 1141 18.76      
13 A' 1088 1081 11.64      
14 A' 1047 1040 13.58      
15 A' 938 932 61.48      
16 A' 841 836 24.42      
17 A' 801 796 4.85      
18 A' 737 733 0.13      
19 A' 564 560 3.32      
20 A' 373 371 5.85      
21 A' 250 248 4.44      
22 A" 3174 3153 0.34      
23 A" 3087 3066 12.84      
24 A" 3017 2998 9.48      
25 A" 1509 1499 10.96      
26 A" 1453 1444 6.88      
27 A" 1200 1192 0.00      
28 A" 1109 1102 3.21      
29 A" 1091 1084 1.01      
30 A" 1054 1048 8.35      
31 A" 864 858 3.60      
32 A" 752 747 1.78      
33 A" 619 615 0.36      
34 A" 257 255 0.07      
35 A" 140 139 0.42      
36 A" 75 75 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 25575.5 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 25409.3 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 BLYP/3-21G*
ABC
0.23130 0.08688 0.07553

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.343 -0.853 0.000
C2 -0.092 -0.799 0.000
C3 0.797 -2.052 0.000
C4 0.634 0.513 0.000
C5 -0.092 1.661 0.759
C6 -0.092 1.661 -0.759
H7 0.165 -2.950 0.000
H8 1.450 -2.052 -0.891
H9 1.450 -2.052 0.891
H10 1.722 0.492 0.000
H11 -1.018 1.356 1.247
H12 0.533 2.384 1.284
H13 -1.018 1.356 -1.247
H14 0.533 2.384 -1.284

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.25182.45222.40272.90892.90892.58253.16663.16663.34702.55793.95512.55793.9551
C21.25181.53601.49942.57452.57452.16642.17722.17722.22662.65683.48832.65683.4883
C32.45221.53602.57003.89253.89251.09841.10481.10482.70694.05764.62524.05764.6252
C42.40271.49942.57001.55571.55573.49492.83502.83501.08852.23502.27112.23502.2711
C52.90892.57453.89251.55571.51724.68044.34544.02232.28761.09051.09002.23012.2546
C62.90892.57453.89251.55571.51724.68044.02234.34542.28762.23012.25461.09051.0900
H72.58252.16641.09843.49494.68044.68041.80361.80363.77814.63695.49864.63695.4986
H83.16662.17721.10482.83504.34544.02231.80361.78222.70894.71985.02434.22274.5462
H93.16662.17721.10482.83504.02234.34541.80361.78222.70894.22274.54624.71985.0243
H103.34702.22662.70691.08852.28762.28763.77812.70892.70893.13222.57713.13222.5771
H112.55792.65684.05762.23501.09052.23014.63694.71984.22273.13221.86062.49423.1409
H123.95513.48834.62522.27111.09002.25465.49865.02434.54622.57711.86063.14092.5673
H132.55792.65684.05762.23502.23011.09054.63694.22274.71983.13222.49423.14091.8606
H143.95513.48834.62522.27112.25461.09005.49864.54625.02432.57713.14092.56731.8606

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 122.868 O1 C2 C4 121.433
C2 C3 H7 109.524 C2 C3 H8 109.989
C2 C3 H9 109.989 C2 C4 C5 114.833
C2 C4 C6 114.833 C2 C4 H10 117.841
C3 C2 C4 115.699 C4 C5 C6 60.815
C4 C5 H11 114.100 C4 C5 H12 117.187
C4 C6 C5 60.815 C4 C6 H13 114.100
C4 C6 H14 117.187 C5 C4 C6 58.369
C5 C4 H10 118.730 C5 C6 H13 116.613
C5 C6 H14 118.796 C6 C4 H10 118.730
C6 C5 H11 116.613 C6 C5 H12 118.796
H7 C3 H8 109.896 H7 C3 H9 109.896
H8 C3 H9 107.523 H11 C5 H12 117.141
H13 C6 H14 117.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.432      
2 C 0.442      
3 C -0.592      
4 C -0.356      
5 C -0.321      
6 C -0.321      
7 H 0.206      
8 H 0.201      
9 H 0.201      
10 H 0.171      
11 H 0.211      
12 H 0.190      
13 H 0.211      
14 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.439 0.567 0.000 2.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.550 -1.668 0.000
y -1.668 -34.898 0.000
z 0.000 0.000 -36.083
Traceless
 xyz
x -3.060 -1.668 0.000
y -1.668 2.419 0.000
z 0.000 0.000 0.641
Polar
3z2-r21.282
x2-y2-3.652
xy-1.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.313 -0.198 0.000
y -0.198 9.028 0.000
z 0.000 0.000 6.084


<r2> (average value of r2) Å2
<r2> 170.347
(<r2>)1/2 13.052