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

using model chemistry: MP2=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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-302.505921
Energy at 298.15K 
HF Energy-301.557584
Nuclear repulsion energy159.275456
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 MP2=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 3077 2919 94.41 122.94 0.26 0.41
2 A1 1893 1796 16.21 23.84 0.19 0.32
3 A1 1472 1396 0.24 4.97 0.32 0.48
4 A1 1157 1097 115.00 4.12 0.28 0.44
5 A1 540 513 0.49 9.71 0.34 0.50
6 A1 284 269 12.55 0.82 0.51 0.68
7 A2 1038 985 0.00 1.34 0.75 0.86
8 A2 179 170 0.00 0.50 0.75 0.86
9 B1 1042 988 0.47 2.46 0.75 0.86
10 B1 125 119 4.05 0.15 0.75 0.86
11 B2 3054 2897 0.33 0.72 0.75 0.86
12 B2 1819 1726 587.22 3.22 0.75 0.86
13 B2 1420 1347 11.84 8.68 0.75 0.86
14 B2 1091 1035 671.69 1.81 0.75 0.86
15 B2 710 673 40.10 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9450.8 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 8965.0 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 MP2=FULL/6-311G**
ABC
1.62565 0.08624 0.08189

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.403
C2 0.000 1.173 -0.318
C3 0.000 -1.173 -0.318
O4 0.000 2.239 0.213
O5 0.000 -2.239 0.213
H6 0.000 1.007 -1.407
H7 0.000 -1.007 -1.407

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37691.37692.24732.24732.07112.0711
C21.37692.34581.19173.45341.10092.4368
C31.37692.34583.45341.19172.43681.1009
O42.24731.19173.45344.47872.03543.6285
O52.24733.45341.19174.47873.62852.0354
H62.07111.10092.43682.03543.62852.0147
H72.07112.43681.10093.62852.03542.0147

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 121.905 O1 C2 H6 112.938
O1 C3 O5 121.905 C2 O1 C3 116.825
O4 C2 H6 125.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability