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

using model chemistry: CCSD(T)=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-302.755333
Energy at 298.15K 
HF Energy-301.610991
Nuclear repulsion energy159.647043
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3046 3046        
2 A1 1892 1892        
3 A1 1460 1460        
4 A1 1156 1156        
5 A1 544 544        
6 A1 284 284        
7 A2 1019 1019        
8 A2 177 177        
9 B1 1029 1029        
10 B1 125 125        
11 B2 3024 3024        
12 B2 1814 1814        
13 B2 1398 1398        
14 B2 1091 1091        
15 B2 710 710        

Unscaled Zero Point Vibrational Energy (zpe) 9384.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9384.7 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 CCSD(T)=FULL/Def2TZVPP
ABC
1.62468 0.08671 0.08232

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.401
C2 0.000 1.171 -0.320
C3 0.000 -1.171 -0.320
O4 0.000 2.232 0.215
O5 0.000 -2.232 0.215
H6 0.000 1.014 -1.405
H7 0.000 -1.014 -1.405

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37491.37492.24012.24012.07082.0708
C21.37492.34201.18863.44521.09602.4399
C31.37492.34203.44521.18862.43991.0960
O42.24011.18863.44524.46482.02663.6285
O52.24013.44521.18864.46483.62852.0266
H62.07081.09602.43992.02663.62852.0290
H72.07082.43991.09603.62852.02662.0290

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 121.646 O1 C2 H6 113.395
O1 C3 O5 121.646 C2 O1 C3 116.792
O4 C2 H6 124.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability