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: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-192.519120
Energy at 298.15K-192.526095
HF Energy-191.908303
Nuclear repulsion energy124.785208
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 MP3=FULL/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 3254 3053 27.86      
2 A 3198 3000 27.87      
3 A 3184 2988 18.14      
4 A 3175 2979 10.72      
5 A 3165 2970 19.82      
6 A 3106 2914 13.11      
7 A 1596 1497 5.39      
8 A 1558 1462 6.12      
9 A 1544 1448 4.21      
10 A 1507 1414 17.89      
11 A 1462 1372 3.99      
12 A 1338 1255 3.94      
13 A 1236 1160 2.96      
14 A 1211 1136 3.52      
15 A 1193 1120 1.19      
16 A 1169 1097 7.16      
17 A 1077 1011 8.32      
18 A 1026 963 13.21      
19 A 940 882 2.21      
20 A 902 846 34.45      
21 A 819 768 5.18      
22 A 421 395 4.84      
23 A 376 353 4.35      
24 A 214 200 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 19335.6 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 18142.6 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 MP3=FULL/6-31G*
ABC
0.60566 0.22297 0.19885

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.821 -0.783 -0.247
C2 -1.506 0.103 -0.147
H3 -1.399 0.339 -1.209
H4 -2.072 -0.829 -0.055
H5 -2.076 0.902 0.339
C6 -0.149 -0.046 0.487
H7 -0.155 -0.265 1.556
C8 1.042 0.611 -0.058
H9 0.947 1.231 -0.949
H10 1.866 0.877 0.603

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.49212.66752.89963.40231.42262.11451.42462.13692.1383
C22.49211.09341.09431.09501.50472.20512.59962.81603.5398
H32.66751.09341.77421.78072.14183.09232.71292.52333.7730
H42.89961.09431.77421.77532.14542.56723.43083.76204.3416
H53.40231.09501.78071.77532.15232.55673.15643.30163.9505
C61.42261.50472.14182.14542.15231.09161.46572.21202.2197
H72.11452.20513.09232.56722.55671.09162.19213.11882.5091
C81.42462.59962.71293.43083.15641.46572.19211.08951.0892
H92.13692.81602.52333.76203.30162.21203.11881.08951.8381
H102.13833.53983.77304.34163.95052.21972.50911.08921.8381

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 116.689 O1 C6 H7 113.853
O1 C6 C8 59.088 O1 C8 C6 58.948
O1 C8 H9 115.772 O1 C8 H10 115.915
C2 C6 H7 115.354 C2 C6 C8 122.133
H3 C2 H4 108.393 H3 C2 H5 108.917
H3 C2 C6 110.041 H4 C2 H5 108.372
H4 C2 C6 110.276 H5 C2 C6 110.781
C6 O1 C8 61.964 C6 C8 H9 119.195
C6 C8 H10 119.921 H7 C6 C8 117.256
H9 C8 H10 115.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability