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

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-302.288021
Energy at 298.15K 
HF Energy-301.483040
Nuclear repulsion energy159.685837
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 MP3=FULL/6-31G**
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 3152 3152 81.59      
2 A1 1993 1993 26.72      
3 A1 1523 1523 0.24      
4 A1 1200 1200 119.78      
5 A1 561 561 1.24      
6 A1 289 289 14.42      
7 A2 1061 1061 0.00      
8 A2 170 170 0.00      
9 B1 1066 1066 1.90      
10 B1 128 128 3.81      
11 B2 3131 3131 0.18      
12 B2 1919 1919 634.52      
13 B2 1470 1470 20.09      
14 B2 1173 1173 612.50      
15 B2 721 721 39.56      

Unscaled Zero Point Vibrational Energy (zpe) 9777.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9777.4 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 MP3=FULL/6-31G**
ABC
1.62441 0.08670 0.08231

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.386
C2 0.000 1.173 -0.322
C3 0.000 -1.173 -0.322
O4 0.000 2.231 0.225
O5 0.000 -2.231 0.225
H6 0.000 1.035 -1.408
H7 0.000 -1.035 -1.408

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37051.37052.23692.23692.07042.0704
C21.37052.34671.19083.44811.09412.4602
C31.37052.34673.44811.19082.46021.0941
O42.23691.19083.44814.46212.02383.6508
O52.23693.44811.19084.46213.65082.0238
H62.07041.09412.46022.02383.65082.0690
H72.07042.46021.09413.65082.02382.0690

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 121.543 O1 C2 H6 113.824
O1 C3 O5 121.543 C2 O1 C3 117.775
O4 C2 H6 124.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability