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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-47.636146
Energy at 298.15K-47.645093
HF Energy-47.636146
Nuclear repulsion energy123.898827
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 HF/CEP-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' 3457 3116 35.12      
2 A' 3377 3044 24.04      
3 A' 3348 3018 26.67      
4 A' 3345 3015 26.31      
5 A' 3221 2903 16.05      
6 A' 1841 1659 169.59      
7 A' 1638 1476 11.99      
8 A' 1605 1447 21.44      
9 A' 1565 1411 103.17      
10 A' 1548 1395 11.01      
11 A' 1345 1212 73.89      
12 A' 1302 1174 13.62      
13 A' 1217 1097 11.89      
14 A' 1197 1079 18.33      
15 A' 1088 981 33.59      
16 A' 979 882 56.98      
17 A' 884 797 0.65      
18 A' 810 730 2.30      
19 A' 630 568 18.24      
20 A' 395 356 5.57      
21 A' 251 227 6.05      
22 A" 3441 3102 0.35      
23 A" 3334 3005 31.48      
24 A" 3296 2971 38.26      
25 A" 1618 1458 17.11      
26 A" 1597 1440 4.98      
27 A" 1318 1188 0.20      
28 A" 1261 1137 0.42      
29 A" 1241 1119 7.66      
30 A" 1181 1065 3.68      
31 A" 991 893 0.02      
32 A" 888 800 11.20      
33 A" 657 592 5.96      
34 A" 280 252 0.79      
35 A" 137 124 0.01      
36 A" 70 63 3.15      

Unscaled Zero Point Vibrational Energy (zpe) 28174.8 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 25396.7 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 HF/CEP-31G
ABC
0.23670 0.08525 0.07474

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.500 -0.581 0.000
C2 -0.276 -0.771 0.000
C3 0.305 -2.177 0.000
C4 0.694 0.375 0.000
C5 0.305 1.658 0.755
C6 0.305 1.658 -0.755
H7 -0.494 -2.909 0.000
H8 0.933 -2.321 -0.879
H9 0.933 -2.321 0.879
H10 1.733 0.092 0.000
H11 -0.648 1.646 1.256
H12 1.092 2.179 1.276
H13 -0.648 1.646 -1.256
H14 1.092 2.179 -1.276

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23792.40892.39312.97302.97302.53603.11723.11723.30242.69493.99522.69493.9952
C21.23791.52161.50142.60852.60852.14992.15382.15382.18712.74863.49282.74863.4928
C32.40891.52162.58123.90803.90801.08451.09011.09012.68124.13494.60634.13494.6063
C42.39311.50142.58121.53851.53853.49292.84572.84571.07682.23472.24502.23472.2450
C52.97302.60853.90801.53851.51024.69764.34684.02972.24951.07651.07802.22542.2396
C62.97302.60853.90801.53851.51024.69764.02974.34682.24952.22542.23961.07651.0780
H72.53602.14991.08453.49294.69764.69761.77681.77683.73824.72785.48054.72785.4805
H83.11722.15381.09012.84574.34684.02971.77681.75892.69054.77434.99194.28674.5201
H93.11722.15381.09012.84574.02974.34681.77681.75892.69054.28674.52014.77434.9919
H103.30242.18712.68121.07682.24952.24953.73822.69052.69053.10812.52833.10812.5283
H112.69492.74864.13492.23471.07652.22544.72784.77434.28673.10811.81962.51193.1178
H123.99523.49284.60632.24501.07802.23965.48054.99194.52012.52831.81963.11782.5516
H132.69492.74864.13492.23472.22541.07654.72784.28674.77433.10812.51193.11781.8196
H143.99523.49284.60632.24502.23961.07805.48054.52014.99192.52833.11782.55161.8196

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 121.270 O1 C2 C4 121.468
C2 C3 H7 110.037 C2 C3 H8 110.016
C2 C3 H9 110.016 C2 C4 C5 118.200
C2 C4 C6 118.200 C2 C4 H10 115.063
C3 C2 C4 117.262 C4 C5 C6 60.607
C4 C5 H11 116.307 C4 C5 H12 117.097
C4 C6 C5 60.607 C4 C6 H13 116.307
C4 C6 H14 117.097 C5 C4 C6 58.786
C5 C4 H10 117.574 C5 C6 H13 117.729
C5 C6 H14 118.883 C6 C4 H10 117.574
C6 C5 H11 117.729 C6 C5 H12 118.883
H7 C3 H8 109.581 H7 C3 H9 109.581
H8 C3 H9 107.569 H11 C5 H12 115.255
H13 C6 H14 115.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.242      
2 C -0.038      
3 C -0.306      
4 C -0.055      
5 C -0.347      
6 C -0.347      
7 H 0.173      
8 H 0.113      
9 H 0.113      
10 H 0.228      
11 H 0.194      
12 H 0.160      
13 H 0.194      
14 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.728 0.033 0.000 3.728
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.041 -1.570 0.000
y -1.570 -33.796 0.000
z 0.000 0.000 -36.291
Traceless
 xyz
x -6.998 -1.570 0.000
y -1.570 5.370 0.000
z 0.000 0.000 1.627
Polar
3z2-r23.255
x2-y2-8.245
xy-1.570
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.306 -0.066 0.000
y -0.066 8.386 0.000
z 0.000 0.000 6.474


<r2> (average value of r2) Å2
<r2> 140.978
(<r2>)1/2 11.873