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

using model chemistry: BLYP/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 BLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-303.077509
Energy at 298.15K 
HF Energy-303.077509
Nuclear repulsion energy156.890331
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/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 2930 2930 80.31 145.16 0.28 0.43
2 A1 1804 1804 24.80 54.52 0.15 0.26
3 A1 1367 1367 0.32 3.53 0.45 0.62
4 A1 1057 1057 85.76 2.30 0.09 0.17
5 A1 498 498 0.06 12.79 0.22 0.35
6 A1 260 260 12.36 0.73 0.17 0.29
7 A2 958 958 0.00 0.20 0.75 0.86
8 A2 185 185 0.00 0.38 0.75 0.86
9 B1 964 964 0.52 2.17 0.75 0.86
10 B1 130 130 4.41 0.06 0.75 0.86
11 B2 2909 2909 1.91 0.57 0.75 0.86
12 B2 1728 1728 635.18 2.16 0.75 0.86
13 B2 1321 1321 5.15 4.36 0.75 0.86
14 B2 942 942 643.52 3.51 0.75 0.86
15 B2 669 669 47.51 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8861.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8861.0 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 BLYP/daug-cc-pVDZ
ABC
1.55741 0.08367 0.07940

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.396
C2 0.000 1.201 -0.330
C3 0.000 -1.201 -0.330
O4 0.000 2.268 0.229
O5 0.000 -2.268 0.229
H6 0.000 1.051 -1.433
H7 0.000 -1.051 -1.433

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.40381.40382.27462.27462.10932.1093
C21.40382.40281.20443.51451.11272.5080
C31.40382.40283.51451.20442.50801.1127
O42.27461.20443.51454.53682.05943.7121
O52.27463.51451.20444.53683.71212.0594
H62.10931.11272.50802.05943.71212.1024
H72.10932.50801.11273.71212.05942.1024

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 121.213 O1 C2 H6 113.392
O1 C3 O5 121.213 C2 O1 C3 117.702
O4 C2 H6 125.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.149      
2 C 1.161      
3 C 1.161      
4 O -0.485      
5 O -0.485      
6 H -0.601      
7 H -0.601      


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 -3.273 3.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.990 0.000 0.000
y 0.000 -39.504 0.000
z 0.000 0.000 -26.615
Traceless
 xyz
x 6.070 0.000 0.000
y 0.000 -12.702 0.000
z 0.000 0.000 6.632
Polar
3z2-r213.265
x2-y212.514
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.734 0.000 0.000
y 0.000 8.942 0.000
z 0.000 0.000 5.403


<r2> (average value of r2) Å2
<r2> 128.750
(<r2>)1/2 11.347