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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-48.940901
Energy at 298.15K-48.949488
HF Energy-48.940901
Nuclear repulsion energy122.904191
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3226 3144 17.31      
2 A' 3148 3067 16.57      
3 A' 3128 3048 18.62      
4 A' 3110 3030 15.48      
5 A' 2991 2915 7.89      
6 A' 1642 1600 99.84      
7 A' 1489 1451 4.93      
8 A' 1482 1444 30.64      
9 A' 1416 1380 82.10      
10 A' 1405 1369 48.89      
11 A' 1221 1190 62.87      
12 A' 1192 1161 29.62      
13 A' 1106 1078 15.87      
14 A' 1072 1045 14.17      
15 A' 983 958 41.24      
16 A' 891 869 43.94      
17 A' 815 794 1.28      
18 A' 743 724 1.16      
19 A' 576 561 9.59      
20 A' 368 358 4.70      
21 A' 230 224 5.16      
22 A" 3209 3127 0.51      
23 A" 3103 3024 24.27      
24 A" 3066 2988 19.85      
25 A" 1498 1460 13.78      
26 A" 1463 1426 5.16      
27 A" 1211 1180 0.29      
28 A" 1125 1096 2.38      
29 A" 1112 1084 5.95      
30 A" 1064 1037 4.23      
31 A" 882 859 1.75      
32 A" 790 770 5.67      
33 A" 599 584 1.91      
34 A" 249 242 0.23      
35 A" 139 136 0.08      
36 A" 67 65 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 25903.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 25243.4 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/CEP-121G
ABC
0.23194 0.08441 0.07377

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.517 -0.573 0.000
C2 -0.269 -0.774 0.000
C3 0.305 -2.191 0.000
C4 0.708 0.369 0.000
C5 0.305 1.667 0.759
C6 0.305 1.667 -0.759
H7 -0.508 -2.921 0.000
H8 0.940 -2.346 -0.885
H9 0.940 -2.346 0.885
H10 1.760 0.097 0.000
H11 -0.659 1.637 1.259
H12 1.096 2.194 1.286
H13 -0.659 1.637 -1.259
H14 1.096 2.194 -1.286

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.26342.43702.41572.98562.98562.55613.15593.15593.34472.68394.01722.68394.0172
C21.26341.52911.50422.62062.62062.16052.17132.17132.20872.74763.51152.74763.5115
C32.43701.52912.59193.93253.93251.09301.09941.09942.71134.14344.63804.14344.6380
C42.41571.50422.59191.55661.55663.50812.86512.86511.08742.24912.26602.24912.2660
C52.98562.62063.93251.55661.51814.72174.38294.06502.27171.08621.08682.23642.2552
C62.98562.62063.93251.55661.51814.72174.06504.38292.27172.23642.25521.08621.0868
H72.55612.16051.09303.50814.72174.72171.79131.79133.77544.73135.51334.73135.5133
H83.15592.17131.09942.86514.38294.06501.79131.76922.72434.79705.03474.30784.5605
H93.15592.17131.09942.86514.06504.38291.79131.76922.72434.30784.56054.79705.0347
H103.34472.20872.71131.08742.27172.27173.77542.72432.72433.13192.54843.13192.5484
H112.68392.74764.14342.24911.08622.23644.73134.79704.30783.13191.84172.51743.1411
H124.01723.51154.63802.26601.08682.25525.51335.03474.56052.54841.84173.14112.5720
H132.68392.74764.14342.24912.23641.08624.73134.30784.79703.13192.51743.14111.8417
H144.01723.51154.63802.26602.25521.08685.51334.56055.03472.54843.14112.57201.8417

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 121.249 O1 C2 C4 121.345
C2 C3 H7 109.846 C2 C3 H8 110.318
C2 C3 H9 110.318 C2 C4 C5 117.770
C2 C4 C6 117.770 C2 C4 H10 115.992
C3 C2 C4 117.406 C4 C5 C6 60.815
C4 C5 H11 115.495 C4 C5 H12 116.897
C4 C6 C5 60.815 C4 C6 H13 115.495
C4 C6 H14 116.897 C5 C4 C6 58.371
C5 C4 H10 117.352 C5 C6 H13 117.385
C5 C6 H14 119.002 C6 C4 H10 117.352
C6 C5 H11 117.385 C6 C5 H12 119.002
H7 C3 H8 109.586 H7 C3 H9 109.586
H8 C3 H9 107.144 H11 C5 H12 115.890
H13 C6 H14 115.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.172      
2 C 0.093      
3 C -0.626      
4 C -0.001      
5 C -0.344      
6 C -0.344      
7 H 0.186      
8 H 0.171      
9 H 0.171      
10 H 0.182      
11 H 0.187      
12 H 0.155      
13 H 0.187      
14 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.317 0.097 0.000 3.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.034 -1.307 0.000
y -1.307 -33.923 0.000
z 0.000 0.000 -36.283
Traceless
 xyz
x -5.931 -1.307 0.000
y -1.307 4.736 0.000
z 0.000 0.000 1.196
Polar
3z2-r22.391
x2-y2-7.111
xy-1.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.515 0.175 0.000
y 0.175 10.070 0.000
z 0.000 0.000 7.251


<r2> (average value of r2) Å2
<r2> 142.314
(<r2>)1/2 11.930