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All results from a given calculation for CHOOCHO (diformyl ether)

using model chemistry: CCSD(T)/daug-cc-pVTZ

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)/daug-cc-pVTZ
 hartrees
Energy at 0K-302.674759
Energy at 298.15K 
HF Energy-301.601063
Nuclear repulsion energy159.248545
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)/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/daug-cc-pVTZ
ABC
1.61216 0.08633 0.08195

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.400
C2 0.000 1.174 -0.322
C3 0.000 -1.174 -0.322
O4 0.000 2.237 0.217
O5 0.000 -2.237 0.217
H6 0.000 1.020 -1.410
H7 0.000 -1.020 -1.410

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37761.37762.24462.24462.07762.0776
C21.37762.34711.19243.45311.09932.4487
C31.37762.34713.45311.19242.44871.0993
O42.24461.19243.45314.47442.03253.6411
O52.24463.45311.19244.47443.64112.0325
H62.07761.09932.44872.03253.64112.0398
H72.07762.44871.09933.64112.03252.0398

picture of diformyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 121.537 O1 C2 H6 113.550
O1 C3 O5 121.537 C2 O1 C3 116.829
O4 C2 H6 124.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability