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

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-303.164987
Energy at 298.15K 
HF Energy-303.164987
Nuclear repulsion energy157.641084
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 BLYP/Def2TZVPP
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 2920 2920 90.42 136.59 0.26 0.42
2 A1 1820 1820 26.04 36.68 0.19 0.32
3 A1 1390 1390 0.18 3.65 0.34 0.50
4 A1 1062 1062 91.68 3.16 0.18 0.30
5 A1 504 504 0.07 12.12 0.27 0.43
6 A1 263 263 11.90 0.71 0.29 0.45
7 A2 973 973 0.00 0.68 0.75 0.86
8 A2 174 174 0.00 0.30 0.75 0.86
9 B1 981 981 0.14 1.94 0.75 0.86
10 B1 128 128 4.41 0.10 0.75 0.86
11 B2 2899 2899 1.01 1.52 0.75 0.86
12 B2 1745 1745 613.62 3.00 0.75 0.86
13 B2 1339 1339 5.28 5.70 0.75 0.86
14 B2 950 950 633.87 3.06 0.75 0.86
15 B2 680 680 49.50 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8913.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8913.4 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 BLYP/Def2TZVPP
ABC
1.58362 0.08429 0.08003

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.394
C2 0.000 1.199 -0.327
C3 0.000 -1.199 -0.327
O4 0.000 2.260 0.226
O5 0.000 -2.260 0.226
H6 0.000 1.047 -1.423
H7 0.000 -1.047 -1.423

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.39831.39832.26572.26572.09652.0965
C21.39832.39711.19623.50191.10672.4987
C31.39832.39713.50191.19622.49871.1067
O42.26571.19623.50194.51902.04683.6946
O52.26573.50191.19624.51903.69462.0468
H62.09651.10672.49872.04683.69462.0936
H72.09652.49871.10673.69462.04682.0936

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 121.487 O1 C2 H6 113.119
O1 C3 O5 121.487 C2 O1 C3 117.996
O4 C2 H6 125.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.127      
2 C 0.160      
3 C 0.160      
4 O -0.178      
5 O -0.178      
6 H 0.082      
7 H 0.082      


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 -3.193 3.193
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.728 0.000 0.000
y 0.000 -38.956 0.000
z 0.000 0.000 -26.468
Traceless
 xyz
x 5.984 0.000 0.000
y 0.000 -12.357 0.000
z 0.000 0.000 6.373
Polar
3z2-r212.747
x2-y212.228
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.113 0.000 0.000
y 0.000 8.232 0.000
z 0.000 0.000 4.731


<r2> (average value of r2) Å2
<r2> 127.687
(<r2>)1/2 11.300