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

using model chemistry: CCD/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/daug-cc-pVDZ
 hartrees
Energy at 0K-302.378184
Energy at 298.15K 
HF Energy-301.527077
Nuclear repulsion energy158.904524
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 CCD/daug-cc-pVDZ
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 3079 3079 60.59      
2 A1 1920 1920 23.15      
3 A1 1459 1459 0.02      
4 A1 1165 1165 101.38      
5 A1 546 546 0.58      
6 A1 287 287 14.50      
7 A2 1021 1021 0.00      
8 A2 174 174 0.00      
9 B1 1032 1032 0.00      
10 B1 126 126 4.85      
11 B2 3056 3056 1.27      
12 B2 1844 1844 701.95      
13 B2 1403 1403 16.01      
14 B2 1108 1108 682.63      
15 B2 710 710 45.16      

Unscaled Zero Point Vibrational Energy (zpe) 9464.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9464.5 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 CCD/daug-cc-pVDZ
ABC
1.60044 0.08600 0.08161

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.398
C2 0.000 1.177 -0.322
C3 0.000 -1.177 -0.322
O4 0.000 2.241 0.220
O5 0.000 -2.241 0.220
H6 0.000 1.030 -1.420
H7 0.000 -1.030 -1.420

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37981.37982.24792.24792.08892.0889
C21.37982.35401.19433.46071.10722.4644
C31.37982.35403.46071.19432.46441.1072
O42.24791.19433.46074.48182.03883.6587
O52.24793.46071.19434.48183.65872.0388
H62.08891.10722.46442.03883.65872.0593
H72.08892.46441.10723.65872.03882.0593

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 121.516 O1 C2 H6 113.812
O1 C3 O5 121.516 C2 O1 C3 117.080
O4 C2 H6 124.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability