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

using model chemistry: B97D3/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-302.952519
Energy at 298.15K 
HF Energy-302.952519
Nuclear repulsion energy157.789119
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/aug-cc-pVDZ
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 2951 2951 93.12 138.46 0.26 0.42
2 A1 1839 1839 24.93 50.43 0.17 0.28
3 A1 1383 1383 0.24 3.72 0.44 0.61
4 A1 1084 1084 91.38 2.52 0.09 0.16
5 A1 509 509 0.11 11.80 0.22 0.36
6 A1 267 267 12.91 0.75 0.21 0.35
7 A2 975 975 0.00 0.24 0.75 0.86
8 A2 180 180 0.00 0.42 0.75 0.86
9 B1 980 980 0.23 1.91 0.75 0.86
10 B1 129 129 4.83 0.09 0.75 0.86
11 B2 2932 2932 1.88 0.65 0.75 0.86
12 B2 1761 1761 654.24 2.65 0.75 0.86
13 B2 1333 1333 4.65 3.98 0.75 0.86
14 B2 976 976 645.56 3.44 0.75 0.86
15 B2 680 680 45.11 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8989.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8989.4 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/aug-cc-pVDZ
ABC
1.57582 0.08470 0.08038

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.396
C2 0.000 1.192 -0.327
C3 0.000 -1.192 -0.327
O4 0.000 2.256 0.225
O5 0.000 -2.256 0.225
H6 0.000 1.038 -1.428
H7 0.000 -1.038 -1.428

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.39381.39382.26242.26242.09862.0986
C21.39382.38301.19893.49131.11162.4862
C31.39382.38303.49131.19892.48621.1116
O42.26241.19893.49134.51172.05323.6850
O52.26243.49131.19894.51173.68502.0532
H62.09861.11162.48622.05323.68502.0753
H72.09862.48621.11163.68502.05322.0753

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 121.339 O1 C2 H6 113.299
O1 C3 O5 121.339 C2 O1 C3 117.490
O4 C2 H6 125.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.473      
2 C 0.896      
3 C 0.896      
4 O -0.408      
5 O -0.408      
6 H -0.251      
7 H -0.251      


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 -3.238 3.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.569 0.000 0.000
y 0.000 -39.094 0.000
z 0.000 0.000 -26.259
Traceless
 xyz
x 6.108 0.000 0.000
y 0.000 -12.680 0.000
z 0.000 0.000 6.572
Polar
3z2-r213.145
x2-y212.525
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.513 0.000 0.000
y 0.000 8.629 0.000
z 0.000 0.000 5.185


<r2> (average value of r2) Å2
<r2> 127.176
(<r2>)1/2 11.277