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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-302.833695
Energy at 298.15K 
HF Energy-302.564805
Nuclear repulsion energy158.881634
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 B2PLYP/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 3039 2911 95.03 125.17 0.27 0.42
2 A1 1906 1826 26.64 22.03 0.20 0.33
3 A1 1437 1376 0.01 4.25 0.33 0.49
4 A1 1148 1100 112.73 4.42 0.19 0.32
5 A1 536 513 0.47 10.00 0.34 0.51
6 A1 279 268 12.29 0.78 0.46 0.63
7 A2 1025 982 0.00 1.56 0.75 0.86
8 A2 186 178 0.00 0.27 0.75 0.86
9 B1 1030 986 0.67 3.01 0.75 0.86
10 B1 129 124 4.09 0.13 0.75 0.86
11 B2 3016 2888 0.21 1.64 0.75 0.86
12 B2 1827 1750 630.41 3.34 0.75 0.86
13 B2 1388 1329 10.13 8.81 0.75 0.86
14 B2 1080 1034 614.54 2.57 0.75 0.86
15 B2 707 677 38.96 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9366.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8970.3 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 B2PLYP/cc-pVDZ
ABC
1.60582 0.08591 0.08155

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.399
C2 0.000 1.178 -0.321
C3 0.000 -1.178 -0.321
O4 0.000 2.242 0.219
O5 0.000 -2.242 0.219
H6 0.000 1.014 -1.419
H7 0.000 -1.014 -1.419

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.38021.38022.24972.24972.08202.0820
C21.38022.35511.19373.46231.11042.4517
C31.38022.35513.46231.19372.45171.1104
O42.24971.19373.46234.48492.04703.6454
O52.24973.46231.19374.48493.64542.0470
H62.08201.11042.45172.04703.64542.0287
H72.08202.45171.11043.64542.04702.0287

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 121.700 O1 C2 H6 112.987
O1 C3 O5 121.700 C2 O1 C3 117.121
O4 C2 H6 125.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.204      
2 C 0.247      
3 C 0.247      
4 O -0.167      
5 O -0.167      
6 H 0.022      
7 H 0.022      


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 -3.093 3.093
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.140 0.000 0.000
y 0.000 -37.672 0.000
z 0.000 0.000 -25.941
Traceless
 xyz
x 5.667 0.000 0.000
y 0.000 -11.632 0.000
z 0.000 0.000 5.964
Polar
3z2-r211.929
x2-y211.532
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.194 0.000 0.000
y 0.000 6.868 0.000
z 0.000 0.000 3.862


<r2> (average value of r2) Å2
<r2> 125.141
(<r2>)1/2 11.187