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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-191.223738
Energy at 298.15K-191.230554
HF Energy-190.824091
Nuclear repulsion energy121.676745
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 MP2/3-21G*
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 3265 3106 22.83      
2 A 3198 3042 20.59      
3 A 3169 3014 16.92      
4 A 3165 3011 0.71      
5 A 3160 3006 15.45      
6 A 3089 2938 11.11      
7 A 1601 1523 7.69      
8 A 1595 1518 0.35      
9 A 1586 1509 3.81      
10 A 1495 1422 8.08      
11 A 1453 1382 7.81      
12 A 1259 1197 1.26      
13 A 1222 1163 1.70      
14 A 1184 1126 2.17      
15 A 1155 1099 10.27      
16 A 1126 1071 4.26      
17 A 1037 987 2.52      
18 A 977 929 4.97      
19 A 906 862 0.62      
20 A 797 758 14.28      
21 A 720 685 1.98      
22 A 407 388 1.16      
23 A 347 330 8.02      
24 A 199 189 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 19055.7 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 18127.7 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 MP2/3-21G*
ABC
0.54916 0.21871 0.19108

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.868 0.850 -0.207
C2 1.515 -0.074 -0.164
H3 1.363 -0.155 -1.245
H4 2.101 0.829 0.037
H5 2.077 -0.946 0.187
C6 0.166 -0.001 0.519
H7 0.167 0.137 1.597
C8 -1.020 -0.666 -0.094
H9 -0.888 -1.210 -1.024
H10 -1.835 -0.999 0.540

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.55632.65772.97893.47231.52342.19911.52792.21582.2162
C22.55631.09451.09461.09551.51402.22722.60472.79403.5463
H32.65771.09451.77591.78532.13743.09662.69582.49613.7588
H42.97891.09461.77591.78132.15982.57853.46313.77034.3687
H53.47231.09551.78531.78132.15802.60903.12313.21443.9290
C61.52341.51402.13742.15982.15801.08651.49182.22582.2363
H72.19912.22723.09662.57852.60901.08652.21703.13032.5335
C81.52792.60472.69583.46313.12311.49182.21701.08551.0848
H92.21582.79402.49613.77033.21442.22583.13031.08551.8408
H102.21623.54633.75884.36873.92902.23632.53351.08481.8408

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 114.618 O1 C6 H7 113.777
O1 C6 C8 60.881 O1 C8 C6 60.580
O1 C8 H9 114.907 O1 C8 H10 114.991
C2 C6 H7 116.886 C2 C6 C8 120.113
H3 C2 H4 108.444 H3 C2 H5 109.219
H3 C2 C6 108.987 H4 C2 H5 108.847
H4 C2 C6 110.748 H5 C2 C6 110.555
C6 O1 C8 58.539 C6 C8 H9 118.600
C6 C8 H10 119.598 H7 C6 C8 117.744
H9 C8 H10 116.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability