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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-191.796213
Energy at 298.15K-191.802922
Nuclear repulsion energy121.721532
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 PBEPBE/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 3125 3096 34.57      
2 A 3078 3050 25.07      
3 A 3055 3027 7.06      
4 A 3050 3022 14.90      
5 A 3034 3007 18.15      
6 A 2984 2957 14.41      
7 A 1516 1502 9.22      
8 A 1513 1499 0.41      
9 A 1500 1486 5.86      
10 A 1412 1399 12.28      
11 A 1382 1369 11.04      
12 A 1217 1206 2.63      
13 A 1164 1153 2.79      
14 A 1112 1102 1.56      
15 A 1081 1072 12.44      
16 A 1074 1064 5.63      
17 A 981 973 4.74      
18 A 940 932 10.37      
19 A 878 870 0.61      
20 A 794 787 19.21      
21 A 716 709 6.78      
22 A 394 391 1.24      
23 A 333 330 7.33      
24 A 190 188 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 18261.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 18094.9 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 PBEPBE/3-21G
ABC
0.55299 0.21836 0.19169

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.864 -0.840 -0.217
C2 -1.513 0.080 -0.163
H3 -1.369 0.214 -1.248
H4 -2.095 -0.844 -0.002
H5 -2.093 0.933 0.233
C6 -0.166 -0.011 0.519
H7 -0.170 -0.159 1.606
C8 1.026 0.658 -0.089
H9 0.888 1.227 -1.016
H10 1.845 0.990 0.560

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.54902.67642.96743.47691.51352.20401.51272.21662.2169
C22.54901.10281.10421.10521.51162.23362.60462.79433.5532
H32.67641.10281.78901.79862.14923.11852.69802.48513.7689
H42.96741.10421.78901.79242.16502.60033.46533.77114.3827
H53.47691.10521.79861.79242.16392.60243.14733.24573.9519
C61.51351.51162.14922.16502.16391.09781.49592.23612.2470
H72.20402.23363.11852.60032.60241.09782.22993.14972.5451
C81.51272.60462.69803.46533.14731.49592.22991.09681.0963
H92.21662.79432.48513.77113.24572.23613.14971.09681.8593
H102.21693.55323.76894.38273.95192.24702.54511.09631.8593

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 114.835 O1 C6 H7 114.190
O1 C6 C8 60.347 O1 C8 C6 60.403
O1 C8 H9 115.371 O1 C8 H10 115.440
C2 C6 H7 116.845 C2 C6 C8 120.002
H3 C2 H4 108.305 H3 C2 H5 109.095
H3 C2 C6 109.590 H4 C2 H5 108.438
H4 C2 C6 110.752 H5 C2 C6 110.607
C6 O1 C8 59.250 C6 C8 H9 118.365
C6 C8 H10 119.387 H7 C6 C8 117.750
H9 C8 H10 115.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.385      
2 C -0.608      
3 H 0.220      
4 H 0.223      
5 H 0.208      
6 C -0.070      
7 H 0.213      
8 C -0.224      
9 H 0.210      
10 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.966 1.791 0.625 2.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.339 2.460 0.422
y 2.460 -26.198 -0.942
z 0.422 -0.942 -23.849
Traceless
 xyz
x 0.684 2.460 0.422
y 2.460 -2.104 -0.942
z 0.422 -0.942 1.420
Polar
3z2-r22.839
x2-y21.859
xy2.460
xz0.422
yz-0.942


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.666 0.555 -0.195
y 0.555 4.312 -0.254
z -0.195 -0.254 4.427


<r2> (average value of r2) Å2
<r2> 76.698
(<r2>)1/2 8.758