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

using model chemistry: HF/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 HF/CEP-121G*
 hartrees
Energy at 0K-35.613255
Energy at 298.15K-35.620353
Nuclear repulsion energy70.396881
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 HF/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 3364 3039 49.88      
2 A 3298 2980 60.42      
3 A 3272 2956 55.05      
4 A 3267 2951 4.51      
5 A 3253 2939 48.63      
6 A 3187 2879 32.25      
7 A 1675 1514 9.25      
8 A 1627 1469 4.80      
9 A 1614 1458 3.08      
10 A 1582 1429 15.99      
11 A 1527 1380 7.60      
12 A 1397 1262 5.93      
13 A 1306 1180 10.11      
14 A 1285 1161 2.36      
15 A 1264 1142 5.86      
16 A 1231 1112 9.20      
17 A 1135 1025 8.08      
18 A 1066 963 26.13      
19 A 980 886 3.55      
20 A 938 848 59.73      
21 A 847 766 8.90      
22 A 435 393 6.25      
23 A 391 353 4.06      
24 A 219 197 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 20079.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 18139.6 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 HF/CEP-121G*
ABC
0.61851 0.22200 0.19891

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.820 -0.762 -0.339
C2 -1.495 0.129 -0.118
H3 -1.410 0.482 -1.140
H4 -2.068 -0.794 -0.121
H5 -2.042 0.867 0.464
C6 -0.125 -0.105 0.483
H7 -0.121 -0.460 1.504
C8 1.073 0.588 0.004
H9 0.995 1.288 -0.814
H10 1.913 0.741 0.664

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.49032.67622.89683.39011.41442.09211.41532.11142.1120
C22.49031.08551.08691.08771.51392.20572.61082.83343.5494
H32.67621.08551.76131.76722.15213.08942.73582.55763.7903
H42.89681.08691.76131.76182.14862.55863.43363.76854.3386
H53.39011.08771.76721.76182.14992.55633.16083.32203.9622
C61.41441.51392.15212.14862.14991.08151.46362.20832.2138
H72.09212.20573.08942.55862.55631.08152.18433.11052.5067
C81.41532.61082.73583.43363.16081.46362.18431.08001.0795
H92.11142.83342.55763.76853.32202.20833.11051.08001.8240
H102.11203.54943.79034.33863.96222.21382.50671.07951.8240

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 116.473 O1 C6 H7 113.231
O1 C6 C8 58.884 O1 C8 C6 58.822
O1 C8 H9 114.935 O1 C8 H10 115.012
C2 C6 H7 115.383 C2 C6 C8 122.514
H3 C2 H4 108.337 H3 C2 H5 108.816
H3 C2 C6 110.689 H4 C2 H5 108.225
H4 C2 C6 110.327 H5 C2 C6 110.378
C6 O1 C8 62.294 C6 C8 H9 119.740
C6 C8 H10 120.284 H7 C6 C8 117.448
H9 C8 H10 115.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.419      
2 C -0.563      
3 H 0.175      
4 H 0.171      
5 H 0.156      
6 C 0.194      
7 H 0.175      
8 C -0.209      
9 H 0.161      
10 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.858 1.835 1.052 2.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.257 2.579 0.719
y 2.579 -26.139 -1.539
z 0.719 -1.539 -24.406
Traceless
 xyz
x 1.015 2.579 0.719
y 2.579 -1.807 -1.539
z 0.719 -1.539 0.792
Polar
3z2-r21.584
x2-y21.882
xy2.579
xz0.719
yz-1.539


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.879 0.503 -0.157
y 0.503 4.712 -0.247
z -0.157 -0.247 4.714


<r2> (average value of r2) Å2
<r2> 63.897
(<r2>)1/2 7.994