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

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-192.670848
Energy at 298.15K-192.677789
HF Energy-191.931386
Nuclear repulsion energy124.919050
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 QCISD/6-31G(2df,p)
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 3234 3063 23.75      
2 A 3180 3013 25.83      
3 A 3162 2995 16.13      
4 A 3158 2992 9.10      
5 A 3143 2978 20.52      
6 A 3085 2923 12.81      
7 A 1565 1483 5.76      
8 A 1528 1447 4.67      
9 A 1514 1434 3.28      
10 A 1476 1399 17.26      
11 A 1429 1354 3.51      
12 A 1319 1249 4.07      
13 A 1212 1148 1.76      
14 A 1189 1127 3.47      
15 A 1186 1124 0.61      
16 A 1154 1093 6.44      
17 A 1063 1007 9.04      
18 A 1002 949 12.47      
19 A 921 873 2.52      
20 A 886 840 32.12      
21 A 802 760 5.28      
22 A 408 387 4.05      
23 A 370 351 3.56      
24 A 211 200 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 19098.2 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 18093.6 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 QCISD/6-31G(2df,p)
ABC
0.60709 0.22323 0.19930

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.821 -0.786 -0.246
C2 -1.505 0.102 -0.148
H3 -1.403 0.339 -1.209
H4 -2.070 -0.829 -0.057
H5 -2.076 0.897 0.338
C6 -0.150 -0.040 0.490
H7 -0.150 -0.265 1.555
C8 1.041 0.614 -0.058
H9 0.949 1.220 -0.956
H10 1.871 0.870 0.593

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.49082.67122.89753.40041.42852.11141.42912.13122.1327
C22.49081.09181.09281.09341.50412.20732.59792.81513.5408
H32.67121.09181.77131.77722.14493.09462.71472.52433.7749
H42.89751.09281.77131.77042.14662.56983.42923.75824.3410
H53.40041.09341.77721.77042.14712.55783.15453.30633.9557
C61.42851.50412.14492.14662.14711.08861.46532.21102.2194
H72.11142.20733.09462.56982.55781.08862.18973.11792.5100
C81.42912.59792.71473.42923.15451.46532.18971.08681.0863
H92.13122.81512.52433.75823.30632.21103.11791.08681.8365
H102.13273.54083.77494.34103.95572.21942.51001.08631.8365

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 116.255 O1 C6 H7 113.347
O1 C6 C8 59.171 O1 C8 C6 59.130
O1 C8 H9 115.115 O1 C8 H10 115.283
C2 C6 H7 115.792 C2 C6 C8 122.055
H3 C2 H4 108.346 H3 C2 H5 108.842
H3 C2 C6 110.421 H4 C2 H5 108.156
H4 C2 C6 110.501 H5 C2 C6 110.506
C6 O1 C8 61.699 C6 C8 H9 119.329
C6 C8 H10 120.136 H7 C6 C8 117.289
H9 C8 H10 115.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability