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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-302.412189
Energy at 298.15K 
HF Energy-301.557243
Nuclear repulsion energy159.148590
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 MP2/6-311G**
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 3072 2919 94.78 123.27 0.26 0.41
2 A1 1890 1796 16.12 23.68 0.19 0.32
3 A1 1471 1398 0.23 4.98 0.32 0.48
4 A1 1154 1097 114.59 4.16 0.28 0.44
5 A1 539 512 0.47 9.78 0.34 0.50
6 A1 283 269 12.54 0.81 0.51 0.68
7 A2 1036 984 0.00 1.35 0.75 0.86
8 A2 178 169 0.00 0.49 0.75 0.86
9 B1 1039 988 0.46 2.47 0.75 0.86
10 B1 125 118 4.04 0.15 0.75 0.86
11 B2 3049 2897 0.32 0.74 0.75 0.86
12 B2 1816 1725 585.54 3.22 0.75 0.86
13 B2 1419 1348 11.95 8.70 0.75 0.86
14 B2 1086 1032 672.67 1.84 0.75 0.86
15 B2 708 673 40.29 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9431.8 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 8962.1 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 MP2/6-311G**
ABC
1.62233 0.08610 0.08176

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.403
C2 0.000 1.174 -0.319
C3 0.000 -1.174 -0.319
O4 0.000 2.241 0.213
O5 0.000 -2.241 0.213
H6 0.000 1.008 -1.408
H7 0.000 -1.008 -1.408

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37851.37852.24902.24902.07292.0729
C21.37852.34801.19243.45621.10132.4388
C31.37852.34803.45621.19242.43881.1013
O42.24901.19243.45624.48202.03663.6312
O52.24903.45621.19244.48203.63122.0366
H62.07291.10132.43882.03663.63122.0165
H72.07292.43881.10133.63122.03662.0165

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 121.879 O1 C2 H6 112.948
O1 C3 O5 121.879 C2 O1 C3 116.789
O4 C2 H6 125.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability