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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-303.017327
Energy at 298.15K 
HF Energy-303.017327
Nuclear repulsion energy158.285444
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/TZVP
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 2937 2895 108.61 136.37 0.29 0.45
2 A1 1856 1830 23.81 38.21 0.18 0.31
3 A1 1415 1395 0.19 3.47 0.37 0.54
4 A1 1083 1067 103.54 3.98 0.19 0.32
5 A1 512 504 0.01 11.77 0.31 0.47
6 A1 267 263 13.10 0.75 0.35 0.52
7 A2 986 972 0.00 0.82 0.75 0.86
8 A2 170 168 0.00 0.56 0.75 0.86
9 B1 995 981 0.00 2.65 0.75 0.86
10 B1 128 126 4.30 0.14 0.75 0.86
11 B2 2916 2874 0.73 1.55 0.75 0.86
12 B2 1779 1753 652.00 2.80 0.75 0.86
13 B2 1362 1343 5.82 7.45 0.75 0.86
14 B2 973 959 657.23 2.66 0.75 0.86
15 B2 691 681 49.20 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9035.0 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 8904.9 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 B97D3/TZVP
ABC
1.59727 0.08502 0.08072

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.395
C2 0.000 1.191 -0.324
C3 0.000 -1.191 -0.324
O4 0.000 2.251 0.223
O5 0.000 -2.251 0.223
H6 0.000 1.039 -1.420
H7 0.000 -1.039 -1.420

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.39131.39132.25722.25722.09072.0907
C21.39132.38271.19203.48511.10652.4846
C31.39132.38273.48511.19202.48461.1065
O42.25721.19203.48514.50122.04143.6765
O52.25723.48511.19204.50123.67652.0414
H62.09071.10652.48462.04143.67652.0771
H72.09072.48461.10653.67652.04142.0771

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 121.605 O1 C2 H6 113.159
O1 C3 O5 121.605 C2 O1 C3 117.807
O4 C2 H6 125.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.080      
2 C 0.193      
3 C 0.193      
4 O -0.219      
5 O -0.219      
6 H 0.066      
7 H 0.066      


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 -3.314 3.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.392 0.000 0.000
y 0.000 -38.867 0.000
z 0.000 0.000 -26.206
Traceless
 xyz
x 6.145 0.000 0.000
y 0.000 -12.568 0.000
z 0.000 0.000 6.423
Polar
3z2-r212.846
x2-y212.475
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.747 0.000 0.000
y 0.000 8.007 0.000
z 0.000 0.000 4.426


<r2> (average value of r2) Å2
<r2> 126.607
(<r2>)1/2 11.252