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

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-36.377005
Energy at 298.15K-36.383820
Nuclear repulsion energy68.631846
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 B1B95/CEP-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 3255 3116 49.95      
2 A 3188 3052 58.56      
3 A 3168 3033 11.56      
4 A 3162 3028 32.77      
5 A 3150 3016 32.56      
6 A 3072 2941 24.72      
7 A 1524 1460 3.99      
8 A 1504 1440 13.05      
9 A 1488 1424 10.19      
10 A 1447 1386 21.39      
11 A 1415 1354 4.68      
12 A 1282 1228 2.05      
13 A 1190 1139 3.44      
14 A 1162 1112 6.25      
15 A 1150 1101 2.83      
16 A 1103 1056 10.46      
17 A 1025 981 11.08      
18 A 974 933 9.43      
19 A 904 866 1.05      
20 A 829 793 42.20      
21 A 766 733 4.04      
22 A 391 375 4.34      
23 A 356 341 6.92      
24 A 200 192 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 18850.9 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 18049.8 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 B1B95/CEP-31G
ABC
0.57086 0.21515 0.19034

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.855 -0.821 -0.232
C2 -1.528 0.092 -0.158
H3 -1.419 0.277 -1.237
H4 -2.103 -0.839 -0.025
H5 -2.108 0.920 0.284
C6 -0.166 -0.022 0.507
H7 -0.166 -0.228 1.581
C8 1.049 0.645 -0.071
H9 0.953 1.225 -0.993
H10 1.879 0.928 0.581

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.55322.71792.96523.47551.49282.16411.48752.18532.1849
C22.55321.10061.10171.10371.52002.23202.63722.85273.5861
H32.71791.10061.78381.78962.16813.12542.75402.56573.8225
H42.96521.10171.78381.78632.16862.58943.48383.81234.3991
H53.47551.10371.78961.78632.16982.60233.18873.33063.9986
C61.49281.52002.16812.16862.16981.09401.50142.24862.2567
H72.16412.23203.12542.58942.60231.09402.22903.16092.5538
C81.48752.63722.75403.48383.18871.50142.22901.09361.0939
H92.18532.85272.56573.81233.33062.24863.16091.09361.8511
H102.18493.58613.82254.39913.99862.25672.55381.09391.8511

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 115.868 O1 C6 H7 112.654
O1 C6 C8 59.576 O1 C8 C6 59.926
O1 C8 H9 114.843 O1 C8 H10 114.788
C2 C6 H7 116.324 C2 C6 C8 121.584
H3 C2 H4 108.189 H3 C2 H5 108.563
H3 C2 C6 110.633 H4 C2 H5 108.186
H4 C2 C6 110.604 H5 C2 C6 110.581
C6 O1 C8 60.498 C6 C8 H9 119.276
C6 C8 H10 119.989 H7 C6 C8 117.518
H9 C8 H10 115.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.285      
2 C -0.419      
3 H 0.168      
4 H 0.158      
5 H 0.134      
6 C -0.038      
7 H 0.224      
8 C -0.308      
9 H 0.191      
10 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.182 2.266 0.867 2.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.009 3.050 0.535
y 3.050 -26.458 -1.322
z 0.535 -1.322 -23.482
Traceless
 xyz
x 0.961 3.050 0.535
y 3.050 -2.712 -1.322
z 0.535 -1.322 1.751
Polar
3z2-r23.503
x2-y22.449
xy3.050
xz0.535
yz-1.322


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.624 0.435 -0.316
y 0.435 4.463 -0.168
z -0.316 -0.168 4.247


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000