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

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-302.966509
Energy at 298.15K 
HF Energy-302.966509
Nuclear repulsion energy159.809028
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/6-31+G**
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 3080 2933 72.69 127.62 0.29 0.45
2 A1 1973 1879 34.67 45.86 0.18 0.31
3 A1 1467 1396 0.02 2.92 0.42 0.59
4 A1 1182 1126 123.71 3.61 0.20 0.33
5 A1 553 527 0.84 7.55 0.28 0.44
6 A1 284 271 15.50 0.98 0.47 0.64
7 A2 1038 989 0.00 1.51 0.75 0.86
8 A2 177 169 0.00 0.89 0.75 0.86
9 B1 1047 997 0.21 3.56 0.75 0.86
10 B1 133 127 4.06 0.14 0.75 0.86
11 B2 3059 2912 1.00 1.30 0.75 0.86
12 B2 1893 1802 792.39 3.51 0.75 0.86
13 B2 1409 1341 16.07 7.52 0.75 0.86
14 B2 1155 1100 709.32 1.96 0.75 0.86
15 B2 714 680 48.96 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9581.6 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 9123.6 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 M06-2X/6-31+G**
ABC
1.61953 0.08687 0.08244

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.379
C2 0.000 1.175 -0.322
C3 0.000 -1.175 -0.322
O4 0.000 2.228 0.229
O5 0.000 -2.228 0.229
H6 0.000 1.040 -1.416
H7 0.000 -1.040 -1.416

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36861.36862.23272.23272.07442.0744
C21.36862.35011.18833.44711.10182.4699
C31.36862.35013.44711.18832.46991.1018
O42.23271.18833.44714.45532.02923.6580
O52.23273.44711.18834.45533.65802.0292
H62.07441.10182.46992.02923.65802.0793
H72.07442.46991.10183.65802.02922.0793

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 121.505 O1 C2 H6 113.780
O1 C3 O5 121.505 C2 O1 C3 118.319
O4 C2 H6 124.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.325      
2 C 0.408      
3 C 0.408      
4 O -0.387      
5 O -0.387      
6 H 0.141      
7 H 0.141      


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 -3.663 3.663
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.660 0.000 0.000
y 0.000 -39.652 0.000
z 0.000 0.000 -26.156
Traceless
 xyz
x 6.244 0.000 0.000
y 0.000 -13.244 0.000
z 0.000 0.000 7.000
Polar
3z2-r214.000
x2-y212.992
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.787 0.000 0.000
y 0.000 7.517 0.000
z 0.000 0.000 4.438


<r2> (average value of r2) Å2
<r2> 124.628
(<r2>)1/2 11.164