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

using model chemistry: MP3=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-302.482731
Energy at 298.15K 
HF Energy-301.557013
Nuclear repulsion energy160.438161
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/6-311G*
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 3096 3096 82.70      
2 A1 1990 1990 28.03      
3 A1 1504 1504 0.48      
4 A1 1202 1202 124.36      
5 A1 564 564 0.92      
6 A1 294 294 14.60      
7 A2 1052 1052 0.00      
8 A2 167 167 0.00      
9 B1 1056 1056 0.72      
10 B1 123 123 3.99      
11 B2 3072 3072 0.00      
12 B2 1916 1916 677.76      
13 B2 1446 1446 20.52      
14 B2 1166 1166 636.69      
15 B2 730 730 46.90      

Unscaled Zero Point Vibrational Energy (zpe) 9688.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9688.7 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 MP3=FULL/6-311G*
ABC
1.63776 0.08752 0.08308

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.388
C2 0.000 1.169 -0.318
C3 0.000 -1.169 -0.318
O4 0.000 2.220 0.221
O5 0.000 -2.220 0.221
H6 0.000 1.033 -1.410
H7 0.000 -1.033 -1.410

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36551.36552.22632.22632.07292.0729
C21.36552.33791.18133.43161.09992.4576
C31.36552.33793.43161.18132.45761.0999
O42.22631.18133.43164.44012.01683.6388
O52.22633.43161.18134.44013.63882.0168
H62.07291.09992.45762.01683.63882.0659
H72.07292.45761.09993.63882.01682.0659

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 121.728 O1 C2 H6 114.021
O1 C3 O5 121.728 C2 O1 C3 117.756
O4 C2 H6 124.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability