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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-270.127378
Energy at 298.15K-270.135921
HF Energy-270.127378
Nuclear repulsion energy227.795687
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 PBEPBE/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' 3208 3163 6.88      
2 A' 3136 3093 9.44      
3 A' 3117 3074 10.74      
4 A' 3103 3060 8.49      
5 A' 2979 2938 3.33      
6 A' 1650 1627 77.59      
7 A' 1468 1447 1.74      
8 A' 1460 1440 22.74      
9 A' 1390 1371 125.38      
10 A' 1378 1359 17.23      
11 A' 1213 1197 29.90      
12 A' 1189 1172 66.18      
13 A' 1097 1082 18.25      
14 A' 1059 1045 14.72      
15 A' 972 958 40.11      
16 A' 912 900 25.69      
17 A' 810 799 2.68      
18 A' 747 736 0.14      
19 A' 580 572 6.03      
20 A' 374 369 4.65      
21 A' 235 232 4.99      
22 A" 3191 3147 0.60      
23 A" 3101 3058 12.28      
24 A" 3050 3008 8.61      
25 A" 1475 1455 13.78      
26 A" 1450 1430 7.67      
27 A" 1201 1184 0.11      
28 A" 1110 1095 1.17      
29 A" 1101 1085 5.82      
30 A" 1045 1031 8.03      
31 A" 871 859 1.96      
32 A" 808 797 3.22      
33 A" 599 591 0.61      
34 A" 247 244 0.11      
35 A" 138 137 0.28      
36 A" 70 69 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 25766.9 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 25411.3 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 PBEPBE/6-31G
ABC
0.23370 0.08619 0.07511

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.510 -0.558 0.000
C2 -0.269 -0.765 0.000
C3 0.303 -2.169 0.000
C4 0.707 0.363 0.000
C5 0.303 1.648 0.751
C6 0.303 1.648 -0.751
H7 -0.512 -2.907 0.000
H8 0.943 -2.327 -0.888
H9 0.943 -2.327 0.888
H10 1.766 0.091 0.000
H11 -0.667 1.608 1.254
H12 1.091 2.182 1.287
H13 -0.667 1.608 -1.254
H14 1.091 2.182 -1.287

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.25832.42582.40052.95272.95272.55203.15203.15203.33902.64073.99142.64073.9914
C21.25831.51661.49152.59112.59112.15562.16732.16732.20702.71293.49182.71293.4918
C32.42581.51662.56483.89073.89071.09911.10581.10582.69224.09644.60614.09644.6061
C42.40051.49152.56481.54191.54193.48982.84292.84291.09312.23752.26122.23752.2612
C52.95272.59113.89071.54191.50204.68774.34704.02852.26411.09311.09252.22732.2494
C62.95272.59113.89071.54191.50204.68774.02854.34702.26412.22732.24941.09311.0925
H72.55202.15561.09913.48984.68774.68771.80051.80053.76474.68795.48864.68795.4886
H83.15202.16731.10582.84294.34704.02851.80051.77602.70404.76035.00864.26704.5293
H93.15202.16731.10582.84294.02854.34701.80051.77602.70404.26704.52934.76035.0086
H103.33902.20702.69221.09312.26412.26413.76472.70402.70403.12842.54643.12842.5464
H112.64072.71294.09642.23751.09312.22734.68794.76034.26703.12841.84962.50743.1425
H123.99143.49184.60612.26121.09252.24945.48865.00864.52932.54641.84963.14252.5740
H132.64072.71294.09642.23752.22731.09314.68794.26704.76033.12842.50743.14251.8496
H143.99143.49184.60612.26122.24941.09255.48864.52935.00862.54643.14252.57401.8496

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 121.625 O1 C2 C4 121.381
C2 C3 H7 109.969 C2 C3 H8 110.495
C2 C3 H9 110.495 C2 C4 C5 117.331
C2 C4 C6 117.331 C2 C4 H10 116.426
C3 C2 C4 116.994 C4 C5 C6 60.852
C4 C5 H11 115.181 C4 C5 H12 117.238
C4 C6 C5 60.852 C4 C6 H13 115.181
C4 C6 H14 117.238 C5 C4 C6 58.297
C5 C4 H10 117.450 C5 C6 H13 117.378
C5 C6 H14 119.381 C6 C4 H10 117.450
C6 C5 H11 117.378 C6 C5 H12 119.381
H7 C3 H8 109.491 H7 C3 H9 109.491
H8 C3 H9 106.842 H11 C5 H12 115.612
H13 C6 H14 115.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.412      
2 C 0.363      
3 C -0.528      
4 C -0.252      
5 C -0.290      
6 C -0.290      
7 H 0.185      
8 H 0.179      
9 H 0.179      
10 H 0.152      
11 H 0.191      
12 H 0.165      
13 H 0.191      
14 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.987 0.085 0.000 2.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.750 -1.091 0.000
y -1.091 -33.631 0.000
z 0.000 0.000 -35.726
Traceless
 xyz
x -5.072 -1.091 0.000
y -1.091 4.107 0.000
z 0.000 0.000 0.964
Polar
3z2-r21.929
x2-y2-6.119
xy-1.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.887 0.234 0.000
y 0.234 9.401 0.000
z 0.000 0.000 6.436


<r2> (average value of r2) Å2
<r2> 170.878
(<r2>)1/2 13.072