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

using model chemistry: M06-2X/daug-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 M06-2X/daug-cc-pVDZ
 hartrees
Energy at 0K-303.013900
Energy at 298.15K 
HF Energy-303.013900
Nuclear repulsion energy159.834181
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/daug-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 3071 3071 57.43 125.82 0.23 0.38
2 A1 1954 1954 34.12 47.10 0.14 0.25
3 A1 1447 1447 0.16 2.98 0.45 0.62
4 A1 1179 1179 109.36 2.31 0.16 0.27
5 A1 552 552 0.83 7.75 0.20 0.34
6 A1 289 289 14.87 0.62 0.33 0.49
7 A2 1031 1031 0.00 0.54 0.75 0.86
8 A2 194 194 0.00 0.49 0.75 0.86
9 B1 1039 1039 0.02 1.23 0.75 0.86
10 B1 133 133 4.88 0.07 0.75 0.86
11 B2 3049 3049 2.46 0.49 0.75 0.86
12 B2 1873 1873 757.04 2.50 0.75 0.86
13 B2 1387 1387 10.57 4.10 0.75 0.86
14 B2 1131 1131 681.58 1.90 0.75 0.86
15 B2 714 714 47.92 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9520.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9520.9 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 M06-2X/daug-cc-pVDZ
ABC
1.61222 0.08702 0.08256

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.386
C2 0.000 1.173 -0.322
C3 0.000 -1.173 -0.322
O4 0.000 2.226 0.226
O5 0.000 -2.226 0.226
H6 0.000 1.032 -1.418
H7 0.000 -1.032 -1.418

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37061.37062.23182.23182.07812.0781
C21.37062.34701.18703.44361.10442.4627
C31.37062.34703.44361.18702.46271.1044
O42.23181.18703.44364.45222.03173.6495
O52.23183.44361.18704.45223.64952.0317
H62.07811.10442.46272.03173.64952.0644
H72.07812.46271.10443.64952.03172.0644

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 121.364 O1 C2 H6 113.764
O1 C3 O5 121.364 C2 O1 C3 117.774
O4 C2 H6 124.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.239      
2 C 1.117      
3 C 1.117      
4 O -0.481      
5 O -0.481      
6 H -0.516      
7 H -0.516      


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 -3.473 3.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.674 0.000 0.000
y 0.000 -39.331 0.000
z 0.000 0.000 -25.939
Traceless
 xyz
x 5.961 0.000 0.000
y 0.000 -13.025 0.000
z 0.000 0.000 7.064
Polar
3z2-r214.127
x2-y212.657
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.451 0.000 0.000
y 0.000 7.737 0.000
z 0.000 0.000 4.820


<r2> (average value of r2) Å2
<r2> 124.364
(<r2>)1/2 11.152