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: QCISD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-192.774776
Energy at 298.15K 
HF Energy-191.983945
Nuclear repulsion energy124.952316
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.60652 0.22370 0.19940

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.823 -0.787 -0.243
C2 -1.503 0.099 -0.149
H3 -1.401 0.335 -1.209
H4 -2.064 -0.832 -0.055
H5 -2.073 0.894 0.337
C6 -0.152 -0.037 0.489
H7 -0.151 -0.262 1.552
C8 1.037 0.616 -0.059
H9 0.945 1.215 -0.958
H10 1.867 0.871 0.590

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10
O12.49062.67122.89353.39821.43122.10881.43122.12882.1289
C22.49061.09041.09121.09181.50052.20232.59332.80873.5353
H32.67121.09041.77001.77532.14053.08842.70972.51723.7683
H42.89351.09121.77001.76912.14112.56243.42243.74924.3325
H53.39821.09181.77531.76912.14072.55083.14753.29983.9489
C61.43121.50052.14052.14112.14071.08601.46302.20592.2162
H72.10882.20233.08842.56242.55081.08602.18553.11172.5067
C81.43122.59332.70973.42243.14751.46302.18551.08451.0838
H92.12882.80872.51723.74923.29982.20593.11171.08451.8346
H102.12893.53533.76834.33253.94892.21622.50671.08381.8346

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 116.300 O1 C6 H7 113.098
O1 C6 C8 59.262 O1 C8 C6 59.264
O1 C8 H9 114.905 O1 C8 H10 114.959
C2 C6 H7 115.820 C2 C6 C8 122.102
H3 C2 H4 108.457 H3 C2 H5 108.891
H3 C2 C6 110.413 H4 C2 H5 108.269
H4 C2 C6 110.411 H5 C2 C6 110.339
C6 O1 C8 61.475 C6 C8 H9 119.224
C6 C8 H10 120.228 H7 C6 C8 117.288
H9 C8 H10 115.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability