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All results from a given calculation for C3H6O (Propylene oxide)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-191.954042
Energy at 298.15K-191.960721
Nuclear repulsion energy121.181531
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 BLYP/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 3109 3092 40.13      
2 A 3059 3043 33.52      
3 A 3039 3022 4.75      
4 A 3026 3009 19.52      
5 A 3024 3007 21.11      
6 A 2974 2958 17.43      
7 A 1529 1520 7.34      
8 A 1523 1514 0.54      
9 A 1514 1506 4.15      
10 A 1426 1419 6.41      
11 A 1383 1375 12.04      
12 A 1204 1197 2.57      
13 A 1164 1158 2.27      
14 A 1112 1106 2.35      
15 A 1084 1078 9.63      
16 A 1073 1067 4.31      
17 A 981 976 3.17      
18 A 934 929 7.98      
19 A 866 861 1.26      
20 A 767 763 18.13      
21 A 687 683 6.95      
22 A 393 391 1.22      
23 A 329 327 6.94      
24 A 191 190 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 18194.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 18094.3 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 BLYP/3-21G
ABC
0.54895 0.21595 0.18928

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.869 0.849 -0.209
C2 1.523 -0.077 -0.165
H3 1.389 -0.231 -1.247
H4 2.086 0.860 -0.015
H5 2.119 -0.911 0.247
C6 0.167 -0.000 0.518
H7 0.174 0.136 1.606
C8 -1.033 -0.661 -0.094
H9 -0.906 -1.219 -1.027
H10 -1.850 -0.997 0.553

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.56572.70952.96143.49761.52472.21131.52292.22472.2244
C22.56571.10111.10311.10411.51992.23602.62282.81893.5689
H32.70951.10111.78661.79612.15863.12192.71622.50763.7832
H42.96141.10311.78661.78982.16902.60863.47063.78084.3885
H53.49761.10411.79611.78982.17042.59313.18023.29643.9816
C61.52471.51992.15862.16902.17041.09621.50062.24172.2501
H72.21132.23603.12192.60862.59311.09622.23213.15222.5475
C81.52292.62282.71623.47063.18021.50062.23211.09501.0948
H92.22472.81892.50763.78083.29642.24173.15221.09501.8541
H102.22443.56893.78324.38853.98162.25012.54751.09481.8541

picture of Propylene oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C6 C2 114.851 O1 C6 H7 114.069
O1 C6 C8 60.442 O1 C8 C6 60.563
O1 C8 H9 115.405 O1 C8 H10 115.401
C2 C6 H7 116.521 C2 C6 C8 120.528
H3 C2 H4 108.302 H3 C2 H5 109.078
H3 C2 C6 109.859 H4 C2 H5 108.370
H4 C2 C6 110.566 H5 C2 C6 110.610
C6 O1 C8 58.995 C6 C8 H9 118.618
C6 C8 H10 119.396 H7 C6 C8 117.693
H9 C8 H10 115.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.384      
2 C -0.532      
3 H 0.193      
4 H 0.197      
5 H 0.180      
6 C -0.029      
7 H 0.182      
8 C -0.177      
9 H 0.184      
10 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.956 -1.783 0.605 2.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.448 2.428 -0.367
y 2.428 -26.234 0.874
z -0.367 0.874 -23.947
Traceless
 xyz
x 0.643 2.428 -0.367
y 2.428 -2.036 0.874
z -0.367 0.874 1.394
Polar
3z2-r22.787
x2-y21.786
xy2.428
xz-0.367
yz0.874


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


<r2> (average value of r2) Å2
<r2> 77.385
(<r2>)1/2 8.797