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

using model chemistry: B2PLYP=FULLultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-301.042672
Energy at 298.15K 
HF Energy-300.845979
Nuclear repulsion energy156.168957
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 B2PLYP=FULLultrafine/3-21G
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 3045 3045 104.37 103.06 0.29 0.45
2 A1 1827 1827 15.31 13.91 0.15 0.26
3 A1 1500 1500 0.56 3.94 0.41 0.58
4 A1 1059 1059 96.62 9.26 0.16 0.28
5 A1 524 524 0.85 13.02 0.37 0.54
6 A1 262 262 9.40 0.67 0.57 0.72
7 A2 1064 1064 0.00 2.03 0.75 0.86
8 A2 179 179 0.00 0.49 0.75 0.86
9 B1 1064 1064 0.11 3.15 0.75 0.86
10 B1 124 124 2.46 0.11 0.75 0.86
11 B2 3025 3025 2.17 3.04 0.75 0.86
12 B2 1732 1732 481.24 1.45 0.75 0.86
13 B2 1451 1451 2.68 16.51 0.75 0.86
14 B2 1029 1029 582.05 1.89 0.75 0.86
15 B2 694 694 39.85 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9288.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9288.9 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 B2PLYP=FULLultrafine/3-21G
ABC
1.58850 0.08245 0.07838

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.407
C2 0.000 1.204 -0.326
C3 0.000 -1.204 -0.326
O4 0.000 2.288 0.217
O5 0.000 -2.288 0.217
H6 0.000 1.028 -1.408
H7 0.000 -1.028 -1.408

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.41021.41022.29632.29632.08652.0865
C21.41022.40861.21273.53471.09632.4806
C31.41022.40863.53471.21272.48061.0963
O42.29631.21273.53474.57682.05713.6932
O52.29633.53471.21274.57683.69322.0571
H62.08651.09632.48062.05713.69322.0557
H72.08652.48061.09633.69322.05712.0557

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 122.019 O1 C2 H6 112.088
O1 C3 O5 122.019 C2 O1 C3 117.299
O4 C2 H6 125.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability