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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-268.956931
Energy at 298.15K-268.965659
HF Energy-268.956931
Nuclear repulsion energy230.133420
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 B3PW91/3-21G*
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' 3284 3151 1.92      
2 A' 3235 3104 3.71      
3 A' 3177 3048 5.34      
4 A' 3175 3046 10.23      
5 A' 3054 2930 1.21      
6 A' 1743 1672 64.29      
7 A' 1514 1453 9.82      
8 A' 1501 1440 12.54      
9 A' 1424 1366 41.05      
10 A' 1405 1348 99.06      
11 A' 1213 1163 76.02      
12 A' 1199 1151 27.77      
13 A' 1129 1084 17.32      
14 A' 1087 1043 17.50      
15 A' 985 945 43.36      
16 A' 903 867 24.21      
17 A' 824 790 3.61      
18 A' 771 739 0.15      
19 A' 591 567 5.27      
20 A' 386 371 5.88      
21 A' 255 245 5.26      
22 A" 3268 3135 0.42      
23 A" 3175 3046 8.54      
24 A" 3116 2989 5.03      
25 A" 1536 1474 15.13      
26 A" 1482 1422 10.47      
27 A" 1230 1180 0.01      
28 A" 1147 1100 2.28      
29 A" 1139 1092 5.19      
30 A" 1090 1046 11.27      
31 A" 902 865 2.63      
32 A" 822 788 4.12      
33 A" 645 618 0.38      
34 A" 269 258 0.05      
35 A" 145 139 0.45      
36 A" 75 72 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 26447.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 25373.5 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 B3PW91/3-21G*
ABC
0.23602 0.08900 0.07736

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.328 -0.844 0.000
C2 -0.091 -0.790 0.000
C3 0.788 -2.025 0.000
C4 0.627 0.510 0.000
C5 -0.091 1.639 0.751
C6 -0.091 1.639 -0.751
H7 0.164 -2.922 0.000
H8 1.436 -2.023 -0.886
H9 1.436 -2.023 0.886
H10 1.709 0.486 0.000
H11 -1.012 1.339 1.239
H12 0.529 2.361 1.270
H13 -1.012 1.339 -1.239
H14 0.529 2.361 -1.270

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23822.42292.37802.87452.87452.55733.13293.13293.31522.53043.91612.53043.9161
C21.23821.51581.48492.54282.54282.14662.15342.15342.20602.63003.45362.63003.4536
C32.42291.51582.54023.84253.84251.09211.09811.09812.67464.01174.57374.01174.5737
C42.37801.48492.54021.53441.53443.46262.80272.80271.08232.21522.24722.21522.2472
C52.87452.54283.84251.53441.50194.62924.29223.97002.26561.08441.08392.21282.2341
C62.87452.54283.84251.53441.50194.62923.97004.29222.26562.21282.23411.08441.0839
H72.55732.14661.09213.46264.62924.62921.79231.79233.74124.59045.44544.59045.4454
H83.13292.15341.09812.80274.29223.97001.79231.77232.67444.67044.96904.17404.4931
H93.13292.15341.09812.80273.97004.29221.79231.77232.67444.17404.49314.67044.9690
H103.31522.20602.67461.08232.26562.26563.74122.67442.67443.10872.55373.10872.5537
H112.53042.63004.01172.21521.08442.21284.59044.67044.17403.10871.84902.47713.1165
H123.91613.45364.57372.24721.08392.23415.44544.96904.49312.55371.84903.11652.5408
H132.53042.63004.01172.21522.21281.08444.59044.17404.67043.10872.47713.11651.8490
H143.91613.45364.57372.24722.23411.08395.44544.49314.96902.55373.11652.54081.8490

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 122.917 O1 C2 C4 121.411
C2 C3 H7 109.728 C2 C3 H8 109.911
C2 C3 H9 109.911 C2 C4 C5 114.733
C2 C4 C6 114.733 C2 C4 H10 117.623
C3 C2 C4 115.672 C4 C5 C6 60.697
C4 C5 H11 114.439 C4 C5 H12 117.204
C4 C6 C5 60.697 C4 C6 H13 114.439
C4 C6 H14 117.204 C5 C4 C6 58.606
C5 C4 H10 118.942 C5 C6 H13 116.719
C5 C6 H14 118.637 C6 C4 H10 118.942
C6 C5 H11 116.719 C6 C5 H12 118.637
H7 C3 H8 109.833 H7 C3 H9 109.833
H8 C3 H9 107.597 H11 C5 H12 117.023
H13 C6 H14 117.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.471      
2 C 0.483      
3 C -0.696      
4 C -0.444      
5 C -0.393      
6 C -0.393      
7 H 0.246      
8 H 0.238      
9 H 0.238      
10 H 0.221      
11 H 0.254      
12 H 0.232      
13 H 0.254      
14 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.631 0.558 0.000 2.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.413 -1.826 0.000
y -1.826 -34.470 0.000
z 0.000 0.000 -35.864
Traceless
 xyz
x -3.246 -1.826 0.000
y -1.826 2.668 0.000
z 0.000 0.000 0.577
Polar
3z2-r21.154
x2-y2-3.943
xy-1.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.113 -0.171 0.000
y -0.171 8.488 0.000
z 0.000 0.000 5.971


<r2> (average value of r2) Å2
<r2> 166.846
(<r2>)1/2 12.917