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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-192.037078
Energy at 298.15K-192.043869
Nuclear repulsion energy122.408094
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 B3LYP/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 3212 3090 28.92      
2 A 3152 3032 27.24      
3 A 3127 3008 7.77      
4 A 3120 3002 11.47      
5 A 3112 2993 17.28      
6 A 3054 2938 14.17      
7 A 1564 1505 8.04      
8 A 1561 1502 0.85      
9 A 1549 1491 5.36      
10 A 1466 1410 9.52      
11 A 1428 1374 10.42      
12 A 1249 1201 2.75      
13 A 1201 1156 2.28      
14 A 1155 1111 2.50      
15 A 1130 1087 9.64      
16 A 1111 1069 6.55      
17 A 1019 980 3.57      
18 A 968 931 8.24      
19 A 905 871 0.65      
20 A 803 772 21.01      
21 A 735 707 4.46      
22 A 405 389 1.21      
23 A 345 332 8.01      
24 A 194 186 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 18782.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 18068.3 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 B3LYP/3-21G*
ABC
0.56156 0.21995 0.19322

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.857 0.835 -0.215
C2 1.509 -0.081 -0.161
H3 1.374 -0.223 -1.238
H4 2.080 0.841 -0.007
H5 2.089 -0.920 0.241
C6 0.163 0.008 0.514
H7 0.167 0.159 1.591
C8 -1.026 -0.653 -0.088
H9 -0.898 -1.214 -1.010
H10 -1.841 -0.973 0.553

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.53792.67302.94463.45931.50242.18361.50312.19822.1979
C22.53791.09401.09551.09621.50872.22082.59992.79313.5406
H32.67301.09401.77401.78372.14223.09962.69562.48963.7565
H42.94461.09551.77401.77822.15422.58483.44773.75534.3574
H53.45931.09621.78371.77822.15492.58513.14353.25213.9433
C61.50241.50872.14222.15422.15491.08761.48782.22332.2324
H72.18362.22083.09962.58482.58511.08762.21393.12812.5282
C81.50312.59992.69563.44773.14351.48782.21391.08651.0860
H92.19822.79312.48963.75533.25212.22333.12811.08651.8414
H102.19793.54063.75654.35743.94332.23242.52821.08601.8414

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 114.888 O1 C6 H7 113.979
O1 C6 C8 60.354 O1 C8 C6 60.304
O1 C8 H9 115.228 O1 C8 H10 115.236
C2 C6 H7 116.674 C2 C6 C8 120.373
H3 C2 H4 108.237 H3 C2 H5 109.057
H3 C2 C6 109.763 H4 C2 H5 108.460
H4 C2 C6 110.625 H5 C2 C6 110.641
C6 O1 C8 59.341 C6 C8 H9 118.630
C6 C8 H10 119.488 H7 C6 C8 117.713
H9 C8 H10 115.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.427      
2 C -0.567      
3 H 0.207      
4 H 0.210      
5 H 0.194      
6 C -0.036      
7 H 0.202      
8 C -0.186      
9 H 0.201      
10 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.993 -1.928 0.682 2.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.365 2.595 -0.431
y 2.595 -26.287 0.984
z -0.431 0.984 -23.825
Traceless
 xyz
x 0.691 2.595 -0.431
y 2.595 -2.192 0.984
z -0.431 0.984 1.500
Polar
3z2-r23.001
x2-y21.922
xy2.595
xz-0.431
yz0.984


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.481 0.552 0.224
y 0.552 4.205 0.249
z 0.224 0.249 4.306


<r2> (average value of r2) Å2
<r2> 76.164
(<r2>)1/2 8.727