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

using model chemistry: M06-2X/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 M06-2X/6-31G**
 hartrees
Energy at 0K-302.955054
Energy at 298.15K 
HF Energy-302.955054
Nuclear repulsion energy159.901771
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 M06-2X/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 3069 2917 85.76 107.85 0.27 0.43
2 A1 1993 1895 36.49 28.41 0.19 0.32
3 A1 1479 1405 0.16 2.37 0.37 0.54
4 A1 1192 1133 127.35 4.74 0.26 0.41
5 A1 557 529 1.25 7.42 0.36 0.53
6 A1 287 273 13.89 0.86 0.50 0.67
7 A2 1047 995 0.00 1.98 0.75 0.86
8 A2 180 171 0.00 0.48 0.75 0.86
9 B1 1055 1002 1.37 4.12 0.75 0.86
10 B1 131 125 3.93 0.11 0.75 0.86
11 B2 3047 2896 0.09 2.51 0.75 0.86
12 B2 1914 1819 692.97 3.52 0.75 0.86
13 B2 1421 1350 14.31 9.73 0.75 0.86
14 B2 1165 1107 625.20 1.98 0.75 0.86
15 B2 717 682 43.10 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9626.9 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 9149.4 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 M06-2X/6-31G**
ABC
1.62467 0.08695 0.08253

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.382
C2 0.000 1.174 -0.321
C3 0.000 -1.174 -0.321
O4 0.000 2.227 0.227
O5 0.000 -2.227 0.227
H6 0.000 1.032 -1.415
H7 0.000 -1.032 -1.415

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36811.36812.23252.23252.07162.0716
C21.36812.34751.18723.44471.10272.4617
C31.36812.34753.44471.18722.46171.1027
O42.23251.18723.44474.45422.03033.6488
O52.23253.44471.18724.45423.64882.0303
H62.07161.10272.46172.03033.64882.0635
H72.07162.46171.10273.64882.03032.0635

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 121.613 O1 C2 H6 113.516
O1 C3 O5 121.613 C2 O1 C3 118.171
O4 C2 H6 124.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.420      
2 C 0.480      
3 C 0.480      
4 O -0.386      
5 O -0.386      
6 H 0.117      
7 H 0.117      


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 -3.354 3.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.080 0.000 0.000
y 0.000 -38.119 0.000
z 0.000 0.000 -25.650
Traceless
 xyz
x 5.804 0.000 0.000
y 0.000 -12.254 0.000
z 0.000 0.000 6.450
Polar
3z2-r212.900
x2-y212.039
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.186 0.000 0.000
y 0.000 6.671 0.000
z 0.000 0.000 3.791


<r2> (average value of r2) Å2
<r2> 123.953
(<r2>)1/2 11.133