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

using model chemistry: QCISD(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 QCISD(T)/daug-cc-pVTZ
 hartrees
Energy at 0K-302.676804
Energy at 298.15K 
HF Energy-301.600801
Nuclear repulsion energy159.147824
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(T)/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/daug-cc-pVTZ
ABC
1.61031 0.08622 0.08184

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.401
C2 0.000 1.174 -0.322
C3 0.000 -1.174 -0.322
O4 0.000 2.239 0.217
O5 0.000 -2.239 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
O11.37891.37892.24612.24612.07862.0786
C21.37892.34881.19303.45531.09942.4495
C31.37892.34883.45531.19302.44951.0994
O42.24611.19303.45534.47722.03323.6424
O52.24613.45531.19304.47723.64242.0332
H62.07861.09942.44952.03323.64242.0399
H72.07862.44951.09943.64242.03322.0399

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 121.531 O1 C2 H6 113.530
O1 C3 O5 121.531 C2 O1 C3 116.788
O4 C2 H6 124.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability