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

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-302.791816
Energy at 298.15K 
HF Energy-302.791816
Nuclear repulsion energy155.008054
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 B97D3/6-31G
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 2999 2999 110.08 135.47 0.30 0.46
2 A1 1777 1777 18.78 24.70 0.17 0.29
3 A1 1424 1424 0.44 2.52 0.30 0.46
4 A1 1012 1012 91.72 7.74 0.21 0.35
5 A1 493 493 0.19 15.19 0.39 0.56
6 A1 248 248 11.60 0.77 0.44 0.62
7 A2 975 975 0.00 1.68 0.75 0.86
8 A2 160 160 0.00 0.57 0.75 0.86
9 B1 986 986 0.35 3.23 0.75 0.86
10 B1 127 127 2.38 0.08 0.75 0.86
11 B2 2983 2983 1.44 5.94 0.75 0.86
12 B2 1694 1694 528.79 2.34 0.75 0.86
13 B2 1376 1376 1.88 13.73 0.75 0.86
14 B2 947 947 591.74 2.74 0.75 0.86
15 B2 657 657 45.20 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8928.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8928.4 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 B97D3/6-31G
ABC
1.54207 0.08129 0.07722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.389
C2 0.000 1.222 -0.336
C3 0.000 -1.222 -0.336
O4 0.000 2.300 0.236
O5 0.000 -2.300 0.236
H6 0.000 1.079 -1.430
H7 0.000 -1.079 -1.430

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.42111.42112.30482.30482.11452.1145
C21.42112.44441.22033.56821.10272.5476
C31.42112.44443.56821.22032.54761.1027
O42.30481.22033.56824.59952.06543.7670
O52.30483.56821.22034.59953.76702.0654
H62.11451.10272.54762.06543.76702.1578
H72.11452.54761.10273.76702.06542.1578

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 121.330 O1 C2 H6 113.218
O1 C3 O5 121.330 C2 O1 C3 118.632
O4 C2 H6 125.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.408      
2 C 0.371      
3 C 0.371      
4 O -0.318      
5 O -0.318      
6 H 0.151      
7 H 0.151      


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 -3.693 3.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.363 0.000 0.000
y 0.000 -38.906 0.000
z 0.000 0.000 -26.233
Traceless
 xyz
x 6.207 0.000 0.000
y 0.000 -12.608 0.000
z 0.000 0.000 6.401
Polar
3z2-r212.802
x2-y212.544
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.918 0.000 0.000
y 0.000 7.865 0.000
z 0.000 0.000 3.788


<r2> (average value of r2) Å2
<r2> 131.473
(<r2>)1/2 11.466