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

using model chemistry: wB97X-D/CEP-121G*

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-121G*
 hartrees
Energy at 0K-60.428648
Energy at 298.15K 
HF Energy-60.428648
Nuclear repulsion energy85.459160
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-121G*
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 3040 3040 115.13 131.22 0.29 0.45
2 A1 1914 1914 31.36 36.60 0.16 0.28
3 A1 1460 1460 0.02 2.31 0.38 0.56
4 A1 1154 1154 120.50 3.91 0.17 0.30
5 A1 538 538 0.40 8.85 0.32 0.48
6 A1 276 276 15.71 0.76 0.43 0.60
7 A2 1026 1026 0.00 1.61 0.75 0.86
8 A2 168 168 0.00 0.63 0.75 0.86
9 B1 1034 1034 0.03 2.42 0.75 0.86
10 B1 124 124 4.64 0.14 0.75 0.86
11 B2 3020 3020 0.40 1.45 0.75 0.86
12 B2 1835 1835 751.16 3.66 0.75 0.86
13 B2 1407 1407 16.11 8.21 0.75 0.86
14 B2 1109 1109 716.42 2.06 0.75 0.86
15 B2 707 707 47.60 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9405.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9405.2 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-121G*
ABC
1.60017 0.08577 0.08141

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.386
C2 0.000 1.183 -0.325
C3 0.000 -1.183 -0.325
O4 0.000 2.242 0.228
O5 0.000 -2.242 0.228
H6 0.000 1.045 -1.421
H7 0.000 -1.045 -1.421

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.38021.38022.24722.24722.08702.0870
C21.38022.36641.19403.46911.10492.4828
C31.38022.36643.46911.19402.48281.1049
O42.24721.19403.46914.48322.03733.6766
O52.24723.46911.19404.48323.67662.0373
H62.08701.10492.48282.03733.67662.0892
H72.08702.48281.10493.67662.03732.0892

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 121.448 O1 C2 H6 113.782
O1 C3 O5 121.448 C2 O1 C3 118.024
O4 C2 H6 124.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.097      
2 C 0.135      
3 C 0.135      
4 O -0.228      
5 O -0.228      
6 H 0.141      
7 H 0.141      


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 -3.598 3.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.224 0.000 0.000
y 0.000 -38.996 0.000
z 0.000 0.000 -25.601
Traceless
 xyz
x 6.075 0.000 0.000
y 0.000 -13.084 0.000
z 0.000 0.000 7.009
Polar
3z2-r214.018
x2-y212.773
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.581 0.000 0.000
y 0.000 7.168 0.000
z 0.000 0.000 4.102


<r2> (average value of r2) Å2
<r2> 98.985
(<r2>)1/2 9.949