return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-193.029851
Energy at 298.15K-193.036747
Nuclear repulsion energy125.000332
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/cc-pVDZ
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 3189 3065 33.82      
2 A 3158 3035 21.73      
3 A 3140 3018 16.74      
4 A 3115 2994 19.57      
5 A 3092 2972 26.51      
6 A 3057 2938 18.14      
7 A 1530 1471 13.93      
8 A 1465 1408 5.56      
9 A 1450 1394 5.39      
10 A 1431 1376 15.37      
11 A 1376 1322 3.64      
12 A 1293 1243 4.61      
13 A 1173 1128 2.82      
14 A 1158 1113 5.09      
15 A 1141 1097 1.53      
16 A 1115 1072 7.50      
17 A 1033 992 14.58      
18 A 997 959 10.09      
19 A 899 865 6.47      
20 A 877 843 29.72      
21 A 803 772 5.57      
22 A 401 386 5.12      
23 A 361 347 2.71      
24 A 212 204 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 18733.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 18006.9 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 B1B95/cc-pVDZ
ABC
0.61034 0.22336 0.19968

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.819 -0.780 -0.250
C2 -1.501 0.103 -0.146
H3 -1.400 0.330 -1.216
H4 -2.081 -0.825 -0.047
H5 -2.071 0.911 0.334
C6 -0.151 -0.046 0.487
H7 -0.151 -0.272 1.561
C8 1.041 0.609 -0.056
H9 0.945 1.231 -0.953
H10 1.872 0.868 0.608

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.48462.66332.90813.39961.42272.11591.42012.13382.1354
C22.48461.09791.09931.09961.49822.20812.59332.81113.5399
H32.66331.09791.77881.78602.14523.10352.71732.52593.7849
H42.90811.09931.77881.77752.14892.57213.43613.76884.3505
H53.39961.09961.78601.77752.15092.56753.15133.29473.9535
C61.42271.49822.14522.14892.15091.09701.46502.21472.2238
H72.11592.20813.10352.57212.56751.09702.19373.12692.5106
C81.42012.59332.71733.43613.15131.46502.19371.09531.0948
H92.13382.81112.52593.76883.29472.21473.12691.09531.8512
H102.13543.53993.78494.35053.95352.22382.51061.09481.8512

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 116.540 O1 C6 H7 113.600
O1 C6 C8 58.891 O1 C8 C6 59.068
O1 C8 H9 115.457 O1 C8 H10 115.624
C2 C6 H7 115.748 C2 C6 C8 122.123
H3 C2 H4 108.103 H3 C2 H5 108.726
H3 C2 C6 110.500 H4 C2 H5 107.867
H4 C2 C6 110.704 H5 C2 C6 110.846
C6 O1 C8 62.041 C6 C8 H9 119.067
C6 C8 H10 119.924 H7 C6 C8 117.069
H9 C8 H10 115.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.280      
2 C 0.014      
3 H 0.032      
4 H 0.045      
5 H 0.038      
6 C -0.053      
7 H 0.014      
8 C 0.124      
9 H 0.031      
10 H 0.035      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.806 1.514 0.641 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.087 2.052 0.398
y 2.052 -25.815 -0.989
z 0.398 -0.989 -23.951
Traceless
 xyz
x 0.796 2.052 0.398
y 2.052 -1.796 -0.989
z 0.398 -0.989 1.001
Polar
3z2-r22.001
x2-y21.728
xy2.052
xz0.398
yz-0.989


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.093 0.540 -0.086
y 0.540 4.594 -0.288
z -0.086 -0.288 4.854


<r2> (average value of r2) Å2
<r2> 74.413
(<r2>)1/2 8.626