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

using model chemistry: wB97X-D/6-31G*

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/6-31G*
 hartrees
Energy at 0K-302.974234
Energy at 298.15K 
HF Energy-302.974234
Nuclear repulsion energy159.727422
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/6-31G*
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 3058 2901 97.82 108.89 0.28 0.43
2 A1 1973 1871 33.92 25.74 0.19 0.32
3 A1 1480 1403 0.02 2.32 0.30 0.46
4 A1 1178 1117 122.91 4.48 0.21 0.35
5 A1 551 523 0.91 8.07 0.36 0.53
6 A1 282 268 14.49 0.77 0.50 0.67
7 A2 1040 986 0.00 1.99 0.75 0.86
8 A2 172 164 0.00 0.45 0.75 0.86
9 B1 1048 994 1.36 3.73 0.75 0.86
10 B1 131 124 4.13 0.09 0.75 0.86
11 B2 3039 2883 0.09 2.43 0.75 0.86
12 B2 1894 1796 674.25 2.98 0.75 0.86
13 B2 1426 1353 12.72 9.43 0.75 0.86
14 B2 1143 1084 621.69 1.96 0.75 0.86
15 B2 717 680 40.59 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9565.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 9073.1 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/6-31G*
ABC
1.62306 0.08672 0.08232

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.379
C2 0.000 1.176 -0.322
C3 0.000 -1.176 -0.322
O4 0.000 2.230 0.229
O5 0.000 -2.230 0.229
H6 0.000 1.038 -1.416
H7 0.000 -1.038 -1.416

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36861.36862.23482.23482.07342.0734
C21.36862.35151.18903.44971.10282.4696
C31.36862.35153.44971.18902.46961.1028
O42.23481.18903.44974.45952.03083.6584
O52.23483.44971.18904.45953.65842.0308
H62.07341.10282.46962.03083.65842.0764
H72.07342.46961.10283.65842.03082.0764

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 121.642 O1 C2 H6 113.621
O1 C3 O5 121.642 C2 O1 C3 118.426
O4 C2 H6 124.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.384      
2 C 0.410      
3 C 0.410      
4 O -0.375      
5 O -0.375      
6 H 0.157      
7 H 0.157      


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 -3.349 3.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.934 0.000 0.000
y 0.000 -38.186 0.000
z 0.000 0.000 -25.511
Traceless
 xyz
x 5.915 0.000 0.000
y 0.000 -12.464 0.000
z 0.000 0.000 6.549
Polar
3z2-r213.098
x2-y212.252
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.177 0.000 0.000
y 0.000 6.710 0.000
z 0.000 0.000 3.757


<r2> (average value of r2) Å2
<r2> 124.188
(<r2>)1/2 11.144