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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-192.953760
Energy at 298.15K-192.948314
Nuclear repulsion energy 
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/6-31G*
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 3181 3054 40.48      
2 A 3135 3010 34.65      
3 A 3114 2990 25.37      
4 A 3107 2984 14.85      
5 A 3098 2975 27.80      
6 A 3051 2930 18.84      
7 A 1559 1497 4.99      
8 A 1528 1467 4.77      
9 A 1514 1454 3.59      
10 A 1464 1406 19.86      
11 A 1430 1373 4.52      
12 A 1305 1253 4.02      
13 A 1199 1151 1.50      
14 A 1173 1127 5.33      
15 A 1159 1113 0.83      
16 A 1140 1095 7.04      
17 A 1047 1006 7.17      
18 A 986 946 14.68      
19 A 913 877 2.67      
20 A 856 822 35.73      
21 A 783 752 6.83      
22 A 410 394 4.45      
23 A 364 350 3.58      
24 A 216 207 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 18865.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 18116.8 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/6-31G*
ABC
0.60432 0.22089 0.19702

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.827 -0.790 -0.243
C2 -1.512 0.100 -0.149
H3 -1.417 0.336 -1.214
H4 -2.079 -0.833 -0.055
H5 -2.088 0.897 0.336
C6 -0.152 -0.038 0.489
H7 -0.156 -0.255 1.560
C8 1.045 0.615 -0.060
H9 0.959 1.222 -0.963
H10 1.875 0.880 0.596

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.50442.69162.91283.41791.43532.12181.43342.14052.1422
C22.50441.09471.09611.09681.50802.20982.60952.83253.5541
H32.69161.09471.77401.78032.15343.10332.73282.54763.7956
H42.91281.09611.77401.77352.15412.57633.44333.77804.3578
H53.41791.09681.78031.77352.15552.56093.17093.32853.9718
C61.43531.50802.15342.15412.15551.09291.47012.22002.2278
H72.12182.20983.10332.57632.56091.09292.19673.12892.5186
C81.43342.60952.73283.44333.17091.47012.19671.09101.0907
H92.14052.83252.54763.77803.32852.22003.12891.09101.8404
H102.14223.55413.79564.35783.97182.22782.51861.09071.8404

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 116.599 O1 C6 H7 113.433
O1 C6 C8 59.110 O1 C8 C6 59.235
O1 C8 H9 115.303 O1 C8 H10 115.474
C2 C6 H7 115.421 C2 C6 C8 122.381
H3 C2 H4 108.142 H3 C2 H5 108.657
H3 C2 C6 110.658 H4 C2 H5 107.955
H4 C2 C6 110.633 H5 C2 C6 110.703
C6 O1 C8 61.655 C6 C8 H9 119.445
C6 C8 H10 120.178 H7 C6 C8 117.227
H9 C8 H10 115.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.442 -0.291 -0.932 -0.284
2 C -0.464 -0.163 -0.012 -0.328
3 H 0.158 0.068 0.026 0.113
4 H 0.162 0.075 0.025 0.119
5 H 0.150 0.035 0.019 0.082
6 C 0.111 0.112 0.398 0.129
7 H 0.140 0.070 0.035 0.079
8 C -0.110 -0.127 0.357 -0.142
9 H 0.146 0.119 0.041 0.127
10 H 0.148 0.101 0.043 0.106


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.851 1.647 0.671 1.971
CHELPG -0.853 1.635 0.661 1.959
AIM 0.526 -1.286 -0.517 1.483
ESP -0.856 1.631 0.663 1.958


Electric Quadrupole moment
Quadrupole components in D Å


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> 75.068
(<r2>)1/2 8.664