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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-302.312655
Energy at 298.15K 
HF Energy-301.487440
Nuclear repulsion energy158.248003
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/6-31+G**
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 3134 2943 70.89 128.32 0.29 0.45
2 A1 1865 1751 13.96 44.13 0.18 0.30
3 A1 1478 1388 1.18 6.14 0.32 0.48
4 A1 1139 1070 105.01 4.02 0.15 0.26
5 A1 532 499 0.25 10.23 0.27 0.42
6 A1 278 261 13.83 0.87 0.51 0.68
7 A2 1021 959 0.00 1.01 0.75 0.86
8 A2 164 154 0.00 0.97 0.75 0.86
9 B1 1027 964 0.01 3.19 0.75 0.86
10 B1 126 118 3.77 0.14 0.75 0.86
11 B2 3113 2924 0.57 0.27 0.75 0.86
12 B2 1790 1681 650.45 2.71 0.75 0.86
13 B2 1423 1336 13.24 7.98 0.75 0.86
14 B2 1086 1020 758.64 2.23 0.75 0.86
15 B2 696 654 40.01 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9435.0 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 8861.3 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/6-31+G**
ABC
1.59977 0.08515 0.08084

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.394
C2 0.000 1.181 -0.326
C3 0.000 -1.181 -0.326
O4 0.000 2.253 0.224
O5 0.000 -2.253 0.224
H6 0.000 1.034 -1.411
H7 0.000 -1.034 -1.411

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.38331.38332.25902.25902.08042.0804
C21.38332.36291.20393.47781.09552.4674
C31.38332.36293.47781.20392.46741.0955
O42.25901.20393.47784.50522.03903.6711
O52.25903.47781.20394.50523.67112.0390
H62.08041.09552.46742.03903.67112.0686
H72.08042.46741.09553.67112.03902.0686

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 121.501 O1 C2 H6 113.623
O1 C3 O5 121.501 C2 O1 C3 117.316
O4 C2 H6 124.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability