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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-193.038806
Energy at 298.15K-193.045714
Nuclear repulsion energy124.745357
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 B3PW91/6-31G*
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 3191 3053 38.57      
2 A 3151 3015 29.06      
3 A 3132 2997 21.14      
4 A 3118 2983 18.22      
5 A 3106 2972 28.92      
6 A 3060 2928 18.25      
7 A 1562 1494 6.69      
8 A 1523 1457 5.82      
9 A 1509 1443 4.51      
10 A 1466 1403 21.56      
11 A 1424 1362 3.94      
12 A 1312 1255 4.33      
13 A 1199 1147 1.94      
14 A 1175 1125 4.91      
15 A 1160 1110 1.41      
16 A 1140 1091 7.52      
17 A 1049 1003 10.51      
18 A 1001 958 14.46      
19 A 915 875 3.07      
20 A 876 838 34.60      
21 A 801 766 6.19      
22 A 410 392 4.59      
23 A 366 350 3.51      
24 A 217 208 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 18930.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 18110.9 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 B3PW91/6-31G*
ABC
0.60860 0.22204 0.19826

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.825 -0.784 -0.246
C2 -1.507 0.102 -0.147
H3 -1.412 0.341 -1.211
H4 -2.078 -0.830 -0.057
H5 -2.081 0.898 0.341
C6 -0.151 -0.043 0.487
H7 -0.155 -0.266 1.557
C8 1.043 0.612 -0.057
H9 0.954 1.225 -0.956
H10 1.872 0.874 0.601

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.49632.68342.90883.40821.42802.11631.42592.13492.1364
C22.49631.09471.09601.09651.50392.20692.60212.82433.5466
H32.68341.09471.77371.78002.14983.10092.72632.53963.7894
H42.90881.09601.77371.77352.15082.57323.43753.77174.3518
H53.40821.09651.78001.77352.15152.55823.16153.31693.9617
C61.42801.50392.14982.15082.15151.09331.46662.21642.2245
H72.11632.20693.10092.57322.55821.09332.19343.12562.5141
C81.42592.60212.72633.43753.16151.46662.19341.09141.0911
H92.13492.82432.53963.77173.31692.21643.12561.09141.8415
H102.13643.54663.78944.35183.96172.22452.51411.09111.8415

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 116.711 O1 C6 H7 113.485
O1 C6 C8 59.005 O1 C8 C6 59.149
O1 C8 H9 115.367 O1 C8 H10 115.521
C2 C6 H7 115.461 C2 C6 C8 122.321
H3 C2 H4 108.122 H3 C2 H5 108.647
H3 C2 C6 110.655 H4 C2 H5 107.975
H4 C2 C6 110.659 H5 C2 C6 110.691
C6 O1 C8 61.847 C6 C8 H9 119.382
C6 C8 H10 120.148 H7 C6 C8 117.176
H9 C8 H10 115.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.437     -0.275
2 C -0.532     -0.364
3 H 0.182     0.123
4 H 0.185     0.130
5 H 0.173     0.094
6 C 0.075     0.123
7 H 0.167     0.087
8 C -0.152     -0.177
9 H 0.169     0.142
10 H 0.171     0.118


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.847 1.640 0.676 1.965
CHELPG        
AIM        
ESP -0.856 1.623 0.660 1.950


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.913 2.259 0.419
y 2.259 -25.785 -1.068
z 0.419 -1.068 -23.775
Traceless
 xyz
x 0.867 2.259 0.419
y 2.259 -1.941 -1.068
z 0.419 -1.068 1.074
Polar
3z2-r22.148
x2-y21.872
xy2.259
xz0.419
yz-1.068


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> 74.640
(<r2>)1/2 8.639