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

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-60.417524
Energy at 298.15K 
HF Energy-60.417524
Nuclear repulsion energy85.254742
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 wB97X-D/CEP-31G*
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 3071 3071 137.28 114.78 0.31 0.47
2 A1 1946 1946 30.72 39.32 0.16 0.28
3 A1 1460 1460 0.00 2.15 0.43 0.60
4 A1 1158 1158 121.98 3.79 0.23 0.37
5 A1 540 540 0.29 8.48 0.33 0.50
6 A1 277 277 16.80 0.65 0.47 0.64
7 A2 1022 1022 0.00 1.30 0.75 0.86
8 A2 166 166 0.00 0.67 0.75 0.86
9 B1 1032 1032 0.29 0.66 0.75 0.86
10 B1 125 125 5.07 0.10 0.75 0.86
11 B2 3055 3055 0.39 2.07 0.75 0.86
12 B2 1867 1867 799.62 2.99 0.75 0.86
13 B2 1403 1403 18.50 9.18 0.75 0.86
14 B2 1121 1121 706.96 1.88 0.75 0.86
15 B2 705 705 43.97 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9474.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9474.1 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 wB97X-D/CEP-31G*
ABC
1.59306 0.08547 0.08112

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.390
C2 0.000 1.181 -0.324
C3 0.000 -1.181 -0.324
O4 0.000 2.248 0.226
O5 0.000 -2.248 0.226
H6 0.000 1.039 -1.425
H7 0.000 -1.039 -1.425

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.38031.38032.25352.25352.09162.0916
C21.38032.36171.20033.47221.10952.4778
C31.38032.36173.47221.20032.47781.1095
O42.25351.20033.47224.49502.04573.6780
O52.25353.47221.20034.49503.67802.0457
H62.09161.10952.47782.04573.67802.0785
H72.09162.47781.10953.67802.04572.0785

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 121.519 O1 C2 H6 113.856
O1 C3 O5 121.519 C2 O1 C3 117.625
O4 C2 H6 124.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.007      
2 C -0.125      
3 C -0.125      
4 O -0.046      
5 O -0.046      
6 H 0.168      
7 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.742 3.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.144 0.000 0.000
y 0.000 -39.334 0.000
z 0.000 0.000 -25.306
Traceless
 xyz
x 6.176 0.000 0.000
y 0.000 -13.609 0.000
z 0.000 0.000 7.433
Polar
3z2-r214.866
x2-y213.190
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.481 0.000 0.000
y 0.000 7.019 0.000
z 0.000 0.000 3.724


<r2> (average value of r2) Å2
<r2> 99.261
(<r2>)1/2 9.963