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

using model chemistry: B97D3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-303.034867
Energy at 298.15K 
HF Energy-303.034867
Nuclear repulsion energy158.571940
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/Def2TZVPP
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 2939 2899 101.29 134.12 0.26 0.42
2 A1 1854 1829 26.08 37.05 0.19 0.32
3 A1 1407 1387 0.16 3.68 0.32 0.49
4 A1 1090 1075 96.94 3.11 0.17 0.28
5 A1 516 509 0.11 11.23 0.27 0.43
6 A1 269 266 12.30 0.71 0.30 0.46
7 A2 986 973 0.00 0.68 0.75 0.86
8 A2 176 173 0.00 0.33 0.75 0.86
9 B1 995 981 0.05 1.87 0.75 0.86
10 B1 128 126 4.77 0.10 0.75 0.86
11 B2 2918 2878 1.19 1.29 0.75 0.86
12 B2 1776 1752 633.90 3.14 0.75 0.86
13 B2 1351 1333 4.73 5.39 0.75 0.86
14 B2 985 972 638.99 2.89 0.75 0.86
15 B2 691 682 45.85 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9040.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8916.6 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/Def2TZVPP
ABC
1.60268 0.08536 0.08104

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.394
C2 0.000 1.188 -0.323
C3 0.000 -1.188 -0.323
O4 0.000 2.247 0.223
O5 0.000 -2.247 0.223
H6 0.000 1.034 -1.418
H7 0.000 -1.034 -1.418

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.38781.38782.25312.25312.08572.0857
C21.38782.37671.19073.47801.10562.4770
C31.38782.37673.47801.19072.47701.1056
O42.25311.19073.47804.49312.04043.6676
O52.25313.47801.19074.49313.66762.0404
H62.08571.10562.47702.04043.66762.0671
H72.08572.47701.10563.66762.04042.0671

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 121.612 O1 C2 H6 113.053
O1 C3 O5 121.612 C2 O1 C3 117.799
O4 C2 H6 125.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.105      
2 C 0.192      
3 C 0.192      
4 O -0.194      
5 O -0.194      
6 H 0.055      
7 H 0.055      


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 -3.130 3.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.332 0.000 0.000
y 0.000 -38.500 0.000
z 0.000 0.000 -26.055
Traceless
 xyz
x 5.946 0.000 0.000
y 0.000 -12.306 0.000
z 0.000 0.000 6.361
Polar
3z2-r212.721
x2-y212.168
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.062 0.000 0.000
y 0.000 8.024 0.000
z 0.000 0.000 4.649


<r2> (average value of r2) Å2
<r2> 126.066
(<r2>)1/2 11.228