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

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 C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-191.968318
Energy at 298.15K-191.975136
Nuclear repulsion energy122.673070
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 3222 3097 26.96      
2 A 3163 3041 24.70      
3 A 3140 3018 3.66      
4 A 3128 3006 11.72      
5 A 3126 3005 17.32      
6 A 3059 2941 13.26      
7 A 1557 1497 7.57      
8 A 1555 1495 2.97      
9 A 1541 1482 6.70      
10 A 1458 1402 14.27      
11 A 1428 1373 9.32      
12 A 1255 1207 3.03      
13 A 1201 1154 2.81      
14 A 1156 1111 1.94      
15 A 1130 1086 12.02      
16 A 1111 1068 7.76      
17 A 1020 980 4.89      
18 A 972 934 9.80      
19 A 913 878 0.35      
20 A 819 787 21.84      
21 A 751 722 4.34      
22 A 405 389 1.20      
23 A 348 335 8.42      
24 A 194 186 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 18826.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 18095.7 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 B3PW91/3-21G
ABC
0.56408 0.22100 0.19433

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.856 -0.830 -0.220
C2 -1.505 0.082 -0.160
H3 -1.367 0.212 -1.239
H4 -2.087 -0.833 0.003
H5 -2.075 0.932 0.233
C6 -0.163 -0.014 0.514
H7 -0.164 -0.174 1.590
C8 1.022 0.652 -0.084
H9 0.890 1.218 -1.004
H10 1.838 0.970 0.559

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.53142.65832.95163.44961.49732.17881.49732.19312.1930
C22.53141.09481.09621.09691.50462.22002.59142.78223.5329
H32.65831.09481.77511.78502.13833.09852.68952.48303.7523
H42.95161.09621.77511.77982.15222.57923.44643.75304.3548
H53.44961.09691.78501.77982.15152.59173.12543.22573.9266
C61.49731.50462.13832.15222.15151.08831.48542.22082.2306
H72.17882.22003.09852.57922.59171.08832.21223.12712.5258
C81.49732.59142.68953.44643.12541.48542.21221.08731.0868
H92.19312.78222.48303.75303.22572.22083.12711.08731.8443
H102.19303.53293.75234.35483.92662.23062.52581.08681.8443

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 114.975 O1 C6 H7 113.904
O1 C6 C8 60.264 O1 C8 C6 60.262
O1 C8 H9 115.182 O1 C8 H10 115.201
C2 C6 H7 116.872 C2 C6 C8 120.148
H3 C2 H4 108.230 H3 C2 H5 109.060
H3 C2 C6 109.683 H4 C2 H5 108.491
H4 C2 C6 110.711 H5 C2 C6 110.610
C6 O1 C8 59.474 C6 C8 H9 118.537
C6 C8 H10 119.457 H7 C6 C8 117.698
H9 C8 H10 116.043
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 -0.430      
2 C -0.631      
3 H 0.230      
4 H 0.232      
5 H 0.216      
6 C -0.069      
7 H 0.228      
8 C -0.226      
9 H 0.223      
10 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.010 1.955 0.699 2.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.222 2.652 0.477
y 2.652 -26.221 -1.047
z 0.477 -1.047 -23.677
Traceless
 xyz
x 0.727 2.652 0.477
y 2.652 -2.272 -1.047
z 0.477 -1.047 1.545
Polar
3z2-r23.090
x2-y21.999
xy2.652
xz0.477
yz-1.047


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> 75.803
(<r2>)1/2 8.706