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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-302.490092
Energy at 298.15K 
HF Energy-301.553892
Nuclear repulsion energy159.193007
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 3082 2919 93.05 120.38 0.27 0.43
2 A1 1892 1792 17.38 24.20 0.19 0.32
3 A1 1478 1400 0.26 3.65 0.32 0.49
4 A1 1156 1095 114.40 4.00 0.28 0.44
5 A1 540 511 0.50 9.96 0.34 0.51
6 A1 285 270 12.49 0.77 0.49 0.66
7 A2 1029 975 0.00 1.47 0.75 0.86
8 A2 171 162 0.00 0.49 0.75 0.86
9 B1 1033 978 0.17 2.74 0.75 0.86
10 B1 123 117 3.75 0.14 0.75 0.86
11 B2 3058 2896 0.10 1.03 0.75 0.86
12 B2 1819 1723 587.69 3.04 0.75 0.86
13 B2 1419 1344 11.72 9.36 0.75 0.86
14 B2 1094 1037 682.68 1.87 0.75 0.86
15 B2 711 674 42.00 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9444.5 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 8944.8 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
1.62259 0.08610 0.08177

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 0.396
C2 0.000 1.176 -0.320
C3 0.000 -1.176 -0.320
O4 0.000 2.240 0.218
O5 0.000 -2.240 0.218
H6 0.000 1.026 -1.410
H7 0.000 -1.026 -1.410

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37661.37662.24672.24672.07722.0772
C21.37662.35191.19223.45781.10052.4574
C31.37662.35193.45781.19222.45741.1005
O42.24671.19223.45784.47942.03093.6496
O52.24673.45781.19224.47943.64962.0309
H62.07721.10052.45742.03093.64962.0527
H72.07722.45741.10053.64962.03092.0527

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 121.838 O1 C2 H6 113.509
O1 C3 O5 121.838 C2 O1 C3 117.355
O4 C2 H6 124.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability