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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-36.503016
Energy at 298.15K-36.509843
Nuclear repulsion energy69.412813
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/CEP-121G*
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 3159 3062 48.34      
2 A 3105 3010 57.85      
3 A 3083 2989 16.64      
4 A 3081 2987 32.17      
5 A 3068 2974 37.22      
6 A 3017 2924 25.85      
7 A 1529 1483 4.88      
8 A 1505 1459 5.87      
9 A 1491 1446 4.31      
10 A 1439 1395 20.79      
11 A 1402 1360 6.92      
12 A 1279 1240 4.40      
13 A 1178 1142 0.83      
14 A 1152 1117 5.47      
15 A 1140 1105 0.66      
16 A 1118 1084 6.66      
17 A 1031 999 7.54      
18 A 958 929 16.37      
19 A 895 867 3.02      
20 A 829 804 45.81      
21 A 757 734 8.29      
22 A 400 387 4.66      
23 A 355 344 3.53      
24 A 205 199 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 18588.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 18019.6 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/CEP-121G*
ABC
0.59410 0.21790 0.19413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.839 -0.791 -0.323
C2 -1.505 0.123 -0.124
H3 -1.415 0.452 -1.166
H4 -2.084 -0.810 -0.107
H5 -2.067 0.882 0.437
C6 -0.133 -0.089 0.493
H7 -0.128 -0.413 1.539
C8 1.076 0.605 -0.010
H9 0.988 1.288 -0.858
H10 1.919 0.793 0.659

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.52422.70882.93143.43881.45072.13231.44962.15202.1537
C22.52421.09651.09791.09881.51912.22472.62802.84803.5757
H32.70881.09651.77771.78352.16543.11802.75052.56303.8162
H42.93141.09791.77771.77762.16442.58733.46333.79494.3793
H53.43881.09881.78351.77762.16492.57893.18673.34283.9930
C61.45071.51912.16542.16442.16491.09481.48212.23172.2399
H72.13232.22473.11802.58732.57891.09482.20983.14392.5332
C81.44962.62802.75053.46333.18671.48212.20981.09291.0925
H92.15202.84802.56303.79493.34282.23173.14391.09291.8476
H102.15373.57573.81624.37933.99302.23992.53321.09251.8476

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 116.392 O1 C6 H7 113.051
O1 C6 C8 59.230 O1 C8 C6 59.303
O1 C8 H9 114.926 O1 C8 H10 115.100
C2 C6 H7 115.708 C2 C6 C8 122.234
H3 C2 H4 108.215 H3 C2 H5 108.671
H3 C2 C6 110.729 H4 C2 H5 108.035
H4 C2 C6 110.561 H5 C2 C6 110.544
C6 O1 C8 61.467 C6 C8 H9 119.375
C6 C8 H10 120.156 H7 C6 C8 117.293
H9 C8 H10 115.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.320      
2 C -0.592      
3 H 0.176      
4 H 0.175      
5 H 0.159      
6 C 0.190      
7 H 0.172      
8 C -0.269      
9 H 0.156      
10 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.847 1.680 0.887 2.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.400 2.364 0.642
y 2.364 -26.219 -1.366
z 0.642 -1.366 -24.439
Traceless
 xyz
x 0.928 2.364 0.642
y 2.364 -1.799 -1.366
z 0.642 -1.366 0.871
Polar
3z2-r21.742
x2-y21.818
xy2.364
xz0.642
yz-1.366


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.544 0.547 -0.146
y 0.547 5.136 -0.273
z -0.146 -0.273 5.171


<r2> (average value of r2) Å2
<r2> 65.076
(<r2>)1/2 8.067