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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-268.737673
Energy at 298.15K-268.746445
HF Energy-268.737673
Nuclear repulsion energy230.650086
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 PBE1PBE/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' 3298 3166 1.17      
2 A' 3250 3119 3.06      
3 A' 3190 3062 3.04      
4 A' 3190 3061 10.40      
5 A' 3066 2943 0.88      
6 A' 1762 1691 65.78      
7 A' 1516 1455 9.70      
8 A' 1504 1443 13.20      
9 A' 1428 1370 50.51      
10 A' 1414 1357 100.99      
11 A' 1221 1172 65.67      
12 A' 1210 1161 34.38      
13 A' 1136 1090 17.19      
14 A' 1093 1049 18.12      
15 A' 993 953 38.05      
16 A' 917 880 24.35      
17 A' 826 793 3.56      
18 A' 778 747 0.19      
19 A' 596 572 5.90      
20 A' 389 373 6.07      
21 A' 259 249 5.24      
22 A" 3282 3150 0.49      
23 A" 3188 3060 7.08      
24 A" 3131 3005 3.84      
25 A" 1538 1476 15.79      
26 A" 1483 1423 11.31      
27 A" 1234 1184 0.00      
28 A" 1152 1106 1.72      
29 A" 1146 1100 6.25      
30 A" 1095 1051 11.48      
31 A" 908 872 2.18      
32 A" 835 802 4.85      
33 A" 648 622 0.38      
34 A" 273 262 0.06      
35 A" 147 142 0.46      
36 A" 77 74 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 26585.6 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 25516.8 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 PBE1PBE/3-21G*
ABC
0.23700 0.08956 0.07785

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.325 -0.834 0.000
C2 -0.090 -0.787 0.000
C3 0.781 -2.023 0.000
C4 0.630 0.509 0.000
C5 -0.090 1.633 0.750
C6 -0.090 1.633 -0.750
H7 0.152 -2.916 0.000
H8 1.429 -2.023 -0.886
H9 1.429 -2.023 0.886
H10 1.712 0.483 0.000
H11 -1.010 1.327 1.236
H12 0.526 2.357 1.269
H13 -1.010 1.327 -1.236
H14 0.526 2.357 -1.269

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23632.41842.37222.85872.85872.55323.12803.12803.31072.50903.90152.50903.9015
C21.23631.51171.48252.53322.53322.14272.14912.14912.20482.61583.44632.61583.4463
C32.41841.51172.53613.83193.83191.09191.09781.09782.67383.99434.56753.99434.5675
C42.37221.48252.53611.53111.53113.45802.79842.79841.08202.21082.24482.21082.2448
C52.85872.53323.83191.53111.50004.61644.28313.96072.26511.08441.08362.20972.2321
C62.85872.53323.83191.53111.50004.61643.96074.28312.26512.20972.23211.08441.0836
H72.55322.14271.09193.45804.61644.61641.79231.79233.74014.56965.43674.56965.4367
H83.12802.14911.09782.79844.28313.96071.79231.77172.67314.65514.96444.15834.4885
H93.12802.14911.09782.79843.96074.28311.79231.77172.67314.15834.48854.65514.9644
H103.31072.20482.67381.08202.26512.26513.74012.67312.67313.10632.55543.10632.5554
H112.50902.61583.99432.21081.08442.20974.56964.65514.15833.10631.84992.47143.1139
H123.90153.44634.56752.24481.08362.23215.43674.96444.48852.55541.84993.11392.5388
H132.50902.61583.99432.21082.20971.08444.56964.15834.65513.10632.47143.11391.8499
H143.90153.44634.56752.24482.23211.08365.43674.48854.96442.55543.11392.53881.8499

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 122.989 O1 C2 C4 121.239
C2 C3 H7 109.721 C2 C3 H8 109.876
C2 C3 H9 109.876 C2 C4 C5 114.391
C2 C4 C6 114.391 C2 C4 H10 117.722
C3 C2 C4 115.772 C4 C5 C6 60.671
C4 C5 H11 114.310 C4 C5 H12 117.275
C4 C6 C5 60.671 C4 C6 H13 114.310
C4 C6 H14 117.275 C5 C4 C6 58.657
C5 C4 H10 119.182 C5 C6 H13 116.609
C5 C6 H14 118.643 C6 C4 H10 119.182
C6 C5 H11 116.609 C6 C5 H12 118.643
H7 C3 H8 109.873 H7 C3 H9 109.873
H8 C3 H9 107.594 H11 C5 H12 117.132
H13 C6 H14 117.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.477      
2 C 0.492      
3 C -0.708      
4 C -0.461      
5 C -0.400      
6 C -0.400      
7 H 0.251      
8 H 0.243      
9 H 0.243      
10 H 0.226      
11 H 0.259      
12 H 0.237      
13 H 0.259      
14 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.648 0.521 0.000 2.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.506 -1.800 0.000
y -1.800 -34.510 0.000
z 0.000 0.000 -35.961
Traceless
 xyz
x -3.271 -1.800 0.000
y -1.800 2.724 0.000
z 0.000 0.000 0.547
Polar
3z2-r21.094
x2-y2-3.997
xy-1.800
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.077 -0.170 0.000
y -0.170 8.398 0.000
z 0.000 0.000 5.948


<r2> (average value of r2) Å2
<r2> 166.078
(<r2>)1/2 12.887