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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-303.072269
Energy at 298.15K 
HF Energy-303.072269
Nuclear repulsion energy158.952176
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 B3LYP/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 3037 2916 100.09 108.07 0.29 0.45
2 A1 1933 1856 30.86 27.10 0.19 0.32
3 A1 1470 1412 0.01 2.55 0.34 0.51
4 A1 1144 1099 113.88 4.73 0.22 0.36
5 A1 538 516 0.62 9.13 0.36 0.53
6 A1 278 267 12.93 0.74 0.44 0.61
7 A2 1026 985 0.00 1.75 0.75 0.86
8 A2 174 167 0.00 0.36 0.75 0.86
9 B1 1033 992 1.14 3.77 0.75 0.86
10 B1 131 126 3.99 0.09 0.75 0.86
11 B2 3015 2895 0.03 2.52 0.75 0.86
12 B2 1855 1781 628.07 2.90 0.75 0.86
13 B2 1416 1359 9.31 9.74 0.75 0.86
14 B2 1092 1049 596.84 2.35 0.75 0.86
15 B2 707 679 40.55 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9423.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 9049.0 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 B3LYP/6-31G*
ABC
1.61467 0.08575 0.08143

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 1.184 -0.323
C3 0.000 -1.184 -0.323
O4 0.000 2.242 0.228
O5 0.000 -2.242 0.228
H6 0.000 1.041 -1.417
H7 0.000 -1.041 -1.417

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37781.37782.24722.24722.07852.0785
C21.37782.36731.19293.46951.10342.4787
C31.37782.36733.46951.19292.47871.1034
O42.24721.19293.46954.48372.03673.6714
O52.24723.46951.19294.48373.67142.0367
H62.07851.10342.47872.03673.67142.0811
H72.07852.47871.10343.67142.03672.0811

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 121.725 O1 C2 H6 113.332
O1 C3 O5 121.725 C2 O1 C3 118.431
O4 C2 H6 124.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.366      
2 C 0.406      
3 C 0.406      
4 O -0.360      
5 O -0.360      
6 H 0.138      
7 H 0.138      


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 -3.198 3.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.971 0.000 0.000
y 0.000 -37.966 0.000
z 0.000 0.000 -25.710
Traceless
 xyz
x 5.867 0.000 0.000
y 0.000 -12.125 0.000
z 0.000 0.000 6.258
Polar
3z2-r212.516
x2-y211.995
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.170 0.000 0.000
y 0.000 6.923 0.000
z 0.000 0.000 3.787


<r2> (average value of r2) Å2
<r2> 125.321
(<r2>)1/2 11.195