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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-302.952602
Energy at 298.15K 
HF Energy-302.952602
Nuclear repulsion energy159.898576
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 3087 2923 88.02 103.77 0.28 0.43
2 A1 1995 1889 35.76 28.57 0.19 0.32
3 A1 1486 1407 0.17 2.21 0.38 0.55
4 A1 1192 1129 126.77 4.78 0.26 0.42
5 A1 557 528 1.23 7.45 0.36 0.53
6 A1 288 273 13.86 0.85 0.51 0.67
7 A2 1046 991 0.00 2.04 0.75 0.86
8 A2 180 171 0.00 0.49 0.75 0.86
9 B1 1054 998 1.79 4.15 0.75 0.86
10 B1 131 124 3.93 0.10 0.75 0.86
11 B2 3065 2903 0.14 2.38 0.75 0.86
12 B2 1915 1814 699.28 3.38 0.75 0.86
13 B2 1427 1352 15.82 9.86 0.75 0.86
14 B2 1166 1104 624.99 1.97 0.75 0.86
15 B2 718 680 42.91 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9653.8 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 9142.1 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
1.62779 0.08691 0.08250

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 -0.320
C3 0.000 -1.174 -0.320
O4 0.000 2.228 0.226
O5 0.000 -2.228 0.226
H6 0.000 1.032 -1.414
H7 0.000 -1.032 -1.414

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36801.36802.23312.23312.07122.0712
C21.36802.34791.18713.44531.10242.4623
C31.36802.34793.44531.18712.46231.1024
O42.23311.18713.44534.45532.02943.6493
O52.23313.44531.18714.45533.64932.0294
H62.07121.10242.46232.02943.64932.0646
H72.07122.46231.10243.64932.02942.0646

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 121.691 O1 C2 H6 113.507
O1 C3 O5 121.691 C2 O1 C3 118.223
O4 C2 H6 124.802
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 -0.410      
2 C 0.427      
3 C 0.427      
4 O -0.376      
5 O -0.376      
6 H 0.154      
7 H 0.154      


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 -3.338 3.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.093 0.000 0.000
y 0.000 -38.115 0.000
z 0.000 0.000 -25.686
Traceless
 xyz
x 5.807 0.000 0.000
y 0.000 -12.226 0.000
z 0.000 0.000 6.418
Polar
3z2-r212.836
x2-y212.022
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.164 0.000 0.000
y 0.000 6.648 0.000
z 0.000 0.000 3.761


<r2> (average value of r2) Å2
<r2> 124.000
(<r2>)1/2 11.136