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

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-298.893171
Energy at 298.15K 
HF Energy-298.893171
Nuclear repulsion energy151.699135
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 B97D3/STO-3G
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 3050 3050 42.53 56.20 0.44 0.61
2 A1 1860 1860 1.05 10.12 0.12 0.22
3 A1 1418 1418 0.00 3.17 0.52 0.69
4 A1 1058 1058 43.57 5.33 0.20 0.33
5 A1 505 505 0.79 11.95 0.35 0.52
6 A1 270 270 7.20 0.46 0.36 0.53
7 A2 886 886 0.00 0.27 0.75 0.86
8 A2 218 218 0.00 0.09 0.75 0.86
9 B1 888 888 2.06 1.16 0.75 0.86
10 B1 118 118 2.42 0.10 0.75 0.86
11 B2 3056 3056 10.93 3.01 0.75 0.86
12 B2 1770 1770 238.42 0.46 0.75 0.86
13 B2 1386 1386 17.64 12.45 0.75 0.86
14 B2 1020 1020 321.52 2.82 0.75 0.86
15 B2 617 617 7.66 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9060.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9060.3 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 B97D3/STO-3G
ABC
1.42858 0.07900 0.07486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.480
C2 0.000 1.215 -0.339
C3 0.000 -1.215 -0.339
O4 0.000 2.346 0.195
O5 0.000 -2.346 0.195
H6 0.000 0.982 -1.451
H7 0.000 -0.982 -1.451

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.46521.46522.36322.36322.16632.1663
C21.46522.42931.25113.60041.13582.4617
C31.46522.42933.60041.25112.46171.1358
O42.36321.25113.60044.69182.13783.7125
O52.36323.60041.25114.69183.71252.1378
H62.16631.13582.46172.13783.71251.9636
H72.16632.46171.13583.71252.13781.9636

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 120.713 O1 C2 H6 112.173
O1 C3 O5 120.713 C2 O1 C3 111.994
O4 C2 H6 127.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.130      
2 C 0.150      
3 C 0.150      
4 O -0.155      
5 O -0.155      
6 H 0.069      
7 H 0.069      


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 -2.096 2.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.824 0.000 0.000
y 0.000 -32.381 0.000
z 0.000 0.000 -23.920
Traceless
 xyz
x 4.327 0.000 0.000
y 0.000 -8.509 0.000
z 0.000 0.000 4.183
Polar
3z2-r28.365
x2-y28.557
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.790 0.000 0.000
y 0.000 5.964 0.000
z 0.000 0.000 2.089


<r2> (average value of r2) Å2
<r2> 132.411
(<r2>)1/2 11.507