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

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-302.270559
Energy at 298.15K 
HF Energy-301.558575
Nuclear repulsion energy161.281957
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 CID/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 3181 2955 88.49      
2 A1 2039 1895 38.93      
3 A1 1544 1435 1.01      
4 A1 1235 1148 139.97      
5 A1 574 533 1.10      
6 A1 297 276 16.17      
7 A2 1098 1021 0.00      
8 A2 168 157 0.00      
9 B1 1106 1027 2.99      
10 B1 126 117 4.32      
11 B2 3154 2930 0.27      
12 B2 1960 1821 783.63      
13 B2 1486 1381 18.69      
14 B2 1205 1120 670.46      
15 B2 749 696 51.15      

Unscaled Zero Point Vibrational Energy (zpe) 9961.4 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 9255.2 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 CID/6-311G*
ABC
1.66713 0.08822 0.08379

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.377
C2 0.000 1.167 -0.316
C3 0.000 -1.167 -0.316
O4 0.000 2.210 0.224
O5 0.000 -2.210 0.224
H6 0.000 1.037 -1.401
H7 0.000 -1.037 -1.401

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.35681.35682.21532.21532.05802.0580
C21.35682.33381.17423.41971.09352.4565
C31.35682.33383.41971.17422.45651.0935
O42.21531.17423.41974.42002.00423.6305
O52.21533.41971.17424.42003.63052.0042
H62.05801.09352.45652.00423.63052.0733
H72.05802.45651.09353.63052.00422.0733

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 121.989 O1 C2 H6 113.834
O1 C3 O5 121.989 C2 O1 C3 118.649
O4 C2 H6 124.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability