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: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-192.228942
Energy at 298.15K-192.235696
HF Energy-191.835709
Nuclear repulsion energy120.265019
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 MP2/SDD
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 3141 28.51      
2 A 3168 3058 33.36      
3 A 3137 3028 32.52      
4 A 3135 3026 9.21      
5 A 3123 3014 24.93      
6 A 3024 2919 22.50      
7 A 1540 1486 7.27      
8 A 1536 1482 4.24      
9 A 1522 1469 7.20      
10 A 1466 1416 12.55      
11 A 1431 1382 5.30      
12 A 1269 1225 1.94      
13 A 1216 1173 2.13      
14 A 1170 1129 1.98      
15 A 1161 1120 8.04      
16 A 1098 1060 5.76      
17 A 1020 985 3.75      
18 A 955 922 4.22      
19 A 896 865 0.37      
20 A 770 744 37.40      
21 A 656 634 2.12      
22 A 399 385 1.96      
23 A 353 341 9.54      
24 A 204 197 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 18750.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 18099.4 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 MP2/SDD
ABC
0.54281 0.21210 0.18516

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.884 0.859 -0.204
C2 1.541 -0.072 -0.164
H3 1.422 -0.206 -1.253
H4 2.100 0.862 0.014
H5 2.131 -0.918 0.236
C6 0.172 -0.014 0.511
H7 0.167 0.148 1.596
C8 -1.038 -0.675 -0.093
H9 -0.933 -1.199 -1.047
H10 -1.861 -0.995 0.551

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.59822.74872.99213.52751.54562.20211.54552.22512.2282
C22.59821.10341.10351.10591.52742.24342.64962.85863.5972
H32.74871.10341.79011.79622.17063.13302.76052.56473.8290
H42.99211.10351.79011.79412.17542.59813.49613.81794.4083
H53.52751.10591.79621.79412.17502.61573.19583.33444.0058
C61.54561.52742.17062.17542.17501.09671.50542.24852.2584
H72.20212.24343.13302.59812.61571.09672.23173.16412.5520
C81.54552.64962.76053.49613.19581.50542.23171.09431.0933
H92.22512.85862.56473.81793.33442.24853.16411.09431.8598
H102.22823.59723.82904.40834.00582.25842.55201.09331.8598

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 115.450 O1 C6 H7 111.772
O1 C6 C8 60.854 O1 C8 C6 60.858
O1 C8 H9 113.796 O1 C8 H10 114.121
C2 C6 H7 116.547 C2 C6 C8 121.769
H3 C2 H4 108.408 H3 C2 H5 108.780
H3 C2 C6 110.146 H4 C2 H5 108.588
H4 C2 C6 110.516 H5 C2 C6 110.348
C6 O1 C8 58.288 C6 C8 H9 118.890
C6 C8 H10 119.857 H7 C6 C8 117.240
H9 C8 H10 116.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability