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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-192.431164
Energy at 298.15K-192.438194
HF Energy-191.909140
Nuclear repulsion energy125.273717
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 CISD/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 3308 3063 31.37      
2 A 3246 3005 36.92      
3 A 3229 2990 18.43      
4 A 3228 2989 10.70      
5 A 3219 2980 22.33      
6 A 3153 2919 16.04      
7 A 1633 1512 6.98      
8 A 1586 1469 5.57      
9 A 1573 1456 3.82      
10 A 1540 1426 17.69      
11 A 1492 1382 4.17      
12 A 1367 1266 4.26      
13 A 1264 1170 3.97      
14 A 1236 1144 3.34      
15 A 1228 1137 1.39      
16 A 1195 1106 7.94      
17 A 1101 1019 8.87      
18 A 1046 969 15.78      
19 A 959 888 2.48      
20 A 921 853 39.28      
21 A 836 774 5.86      
22 A 428 396 5.08      
23 A 384 355 4.49      
24 A 217 201 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 19694.6 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 18233.2 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 CISD/6-31G*
ABC
0.61239 0.22412 0.20006

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.817 -0.783 -0.245
C2 -1.502 0.102 -0.147
H3 -1.399 0.332 -1.207
H4 -2.065 -0.826 -0.052
H5 -2.072 0.898 0.333
C6 -0.149 -0.039 0.488
H7 -0.150 -0.263 1.551
C8 1.039 0.610 -0.058
H9 0.952 1.216 -0.953
H10 1.868 0.865 0.591

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.48372.66062.88913.39161.42202.10451.42282.12432.1254
C22.48371.08891.08991.09061.50132.20052.59242.81243.5334
H32.66061.08891.76581.77282.13833.08472.70902.52403.7669
H42.88911.08991.76581.76702.14102.55993.42033.75274.3297
H53.39161.09061.77281.76702.14482.55393.14793.30083.9485
C61.42201.50132.13832.14102.14481.08611.45962.20512.2129
H72.10452.20053.08472.55992.55391.08612.18303.10982.5039
C81.42282.59242.70903.42033.14791.45962.18301.08401.0835
H92.12432.81242.52403.75273.30082.20513.10981.08401.8294
H102.12543.53343.76694.32973.94852.21292.50391.08351.8294

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 116.314 O1 C6 H7 113.417
O1 C6 C8 59.160 O1 C8 C6 59.103
O1 C8 H9 115.200 O1 C8 H10 115.325
C2 C6 H7 115.591 C2 C6 C8 122.215
H3 C2 H4 108.278 H3 C2 H5 108.853
H3 C2 C6 110.265 H4 C2 H5 108.262
H4 C2 C6 110.430 H5 C2 C6 110.685
C6 O1 C8 61.737 C6 C8 H9 119.482
C6 C8 H10 120.230 H7 C6 C8 117.329
H9 C8 H10 115.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability