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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-268.710642
Energy at 298.15K-268.719201
HF Energy-268.710642
Nuclear repulsion energy228.714677
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 PBEPBEultrafine/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' 3205 3176 2.49      
2 A' 3153 3125 4.43      
3 A' 3102 3074 9.83      
4 A' 3096 3067 7.46      
5 A' 2978 2951 1.38      
6 A' 1671 1656 52.19      
7 A' 1472 1459 11.65      
8 A' 1449 1436 12.10      
9 A' 1373 1361 34.87      
10 A' 1353 1341 99.40      
11 A' 1176 1165 44.44      
12 A' 1161 1150 54.46      
13 A' 1093 1083 17.28      
14 A' 1042 1033 17.32      
15 A' 948 940 44.97      
16 A' 876 868 21.44      
17 A' 796 788 4.86      
18 A' 749 742 0.18      
19 A' 572 567 3.70      
20 A' 376 372 5.85      
21 A' 251 248 4.74      
22 A" 3188 3159 0.42      
23 A" 3095 3067 9.36      
24 A" 3039 3011 5.28      
25 A" 1494 1480 13.88      
26 A" 1434 1421 10.56      
27 A" 1193 1183 0.00      
28 A" 1104 1094 4.29      
29 A" 1088 1078 1.24      
30 A" 1049 1040 11.02      
31 A" 863 855 3.86      
32 A" 788 781 2.53      
33 A" 622 616 0.11      
34 A" 257 255 0.03      
35 A" 136 134 0.54      
36 A" 72 71 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 25655.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 25422.4 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 PBEPBEultrafine/3-21G
ABC
0.23248 0.08824 0.07659

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.340 -0.838 0.000
C2 -0.091 -0.793 0.000
C3 0.788 -2.039 0.000
C4 0.638 0.510 0.000
C5 -0.091 1.646 0.756
C6 -0.091 1.646 -0.756
H7 0.156 -2.938 0.000
H8 1.443 -2.038 -0.892
H9 1.443 -2.038 0.892
H10 1.728 0.488 0.000
H11 -1.017 1.330 1.241
H12 0.530 2.374 1.281
H13 -1.017 1.330 -1.241
H14 0.530 2.374 -1.281

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.25042.44362.39452.88172.88172.57813.15913.15913.34322.51973.93172.51973.9317
C21.25041.52501.49282.55282.55282.15992.16762.16762.22482.62803.47162.62803.4716
C32.44361.52502.55333.86253.86251.09991.10631.10632.69624.01894.60194.01894.6019
C42.39451.49282.55331.54661.54663.48222.81712.81711.09032.22592.26402.22592.2640
C52.88172.55283.86251.54661.51104.65264.31693.99262.28461.09291.09162.22402.2501
C62.88172.55283.86251.54661.51104.65263.99264.31692.28462.22402.25011.09291.0916
H72.57812.15991.09993.48224.65264.65261.80651.80653.77044.59765.47734.59765.4773
H83.15912.16761.10632.81714.31693.99261.80651.78382.69434.68495.00184.18564.5219
H93.15912.16761.10632.81713.99264.31691.80651.78382.69434.18564.52194.68495.0018
H103.34322.22482.69621.09032.28462.28463.77042.69432.69433.12872.57523.12872.5752
H112.51972.62804.01892.22591.09292.22404.59764.68494.18563.12871.86682.48283.1379
H123.93173.47164.60192.26401.09162.25015.47735.00184.52192.57521.86683.13792.5621
H132.51972.62804.01892.22592.22401.09294.59764.18564.68493.12872.48283.13791.8668
H143.93173.47164.60192.26402.25011.09165.47734.52195.00182.57523.13792.56211.8668

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 123.093 O1 C2 C4 121.336
C2 C3 H7 109.681 C2 C3 H8 109.906
C2 C3 H9 109.906 C2 C4 C5 114.245
C2 C4 C6 114.245 C2 C4 H10 118.081
C3 C2 C4 115.571 C4 C5 C6 60.757
C4 C5 H11 113.881 C4 C5 H12 117.184
C4 C6 C5 60.757 C4 C6 H13 113.881
C4 C6 H14 117.184 C5 C4 C6 58.486
C5 C4 H10 119.075 C5 C6 H13 116.398
C5 C6 H14 118.781 C6 C4 H10 119.075
C6 C5 H11 116.398 C6 C5 H12 118.781
H7 C3 H8 109.933 H7 C3 H9 109.933
H8 C3 H9 107.453 H11 C5 H12 117.434
H13 C6 H14 117.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.433      
2 C 0.446      
3 C -0.671      
4 C -0.411      
5 C -0.374      
6 C -0.374      
7 H 0.234      
8 H 0.229      
9 H 0.229      
10 H 0.204      
11 H 0.240      
12 H 0.220      
13 H 0.240      
14 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.498 0.522 0.000 2.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.315 -1.622 0.000
y -1.622 -34.630 0.000
z 0.000 0.000 -36.031
Traceless
 xyz
x -2.985 -1.622 0.000
y -1.622 2.543 0.000
z 0.000 0.000 0.442
Polar
3z2-r20.884
x2-y2-3.685
xy-1.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.299 -0.205 0.000
y -0.205 8.977 0.000
z 0.000 0.000 6.084


<r2> (average value of r2) Å2
<r2> 168.378
(<r2>)1/2 12.976