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All results from a given calculation for C2H4O (Ethylene oxide)

using model chemistry: CCSD(T)=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-153.687913
Energy at 298.15K 
HF Energy-152.938221
Nuclear repulsion energy75.461203
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 CCSD(T)=FULL/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVQZ
ABC
0.85839 0.74563 0.47546

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.853
C2 0.000 0.730 -0.373
C3 0.000 -0.730 -0.373
H4 0.918 1.261 -0.587
H5 -0.918 1.261 -0.587
H6 -0.918 -1.261 -0.587
H7 0.918 -1.261 -0.587

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.42701.42702.12282.12282.12282.1228
C21.42701.46071.08161.08162.20322.2032
C31.42701.46072.20322.20321.08161.0816
H42.12281.08162.20321.83563.11952.5222
H52.12281.08162.20321.83562.52223.1195
H62.12282.20321.08163.11952.52221.8356
H72.12282.20321.08162.52223.11951.8356

picture of Ethylene oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 59.217 O1 C2 H4 114.908
O1 C2 H5 114.908 O1 C3 C2 59.217
O1 C3 H6 114.908 O1 C3 H7 114.908
C2 O1 C3 61.566 C2 C3 H6 119.388
C2 C3 H7 119.388 C3 C2 H4 119.388
C3 C2 H5 119.388 H4 C2 H5 116.108
H6 C3 H7 116.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability