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

using model chemistry: B97D3/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 B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-302.953891
Energy at 298.15K 
HF Energy-302.953891
Nuclear repulsion energy157.819474
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/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 2951 2951 93.55 139.53 0.27 0.42
2 A1 1840 1840 24.65 53.36 0.15 0.26
3 A1 1386 1386 0.27 3.55 0.44 0.61
4 A1 1084 1084 90.66 2.30 0.08 0.15
5 A1 510 510 0.09 11.83 0.21 0.35
6 A1 267 267 12.70 0.69 0.19 0.31
7 A2 973 973 0.00 0.20 0.75 0.86
8 A2 185 185 0.00 0.39 0.75 0.86
9 B1 980 980 0.31 2.00 0.75 0.86
10 B1 130 130 4.74 0.07 0.75 0.86
11 B2 2930 2930 2.12 0.47 0.75 0.86
12 B2 1762 1762 657.34 2.08 0.75 0.86
13 B2 1336 1336 4.85 4.19 0.75 0.86
14 B2 976 976 647.05 3.23 0.75 0.86
15 B2 681 681 44.64 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8994.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8994.5 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/daug-cc-pVDZ
ABC
1.57730 0.08472 0.08040

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.397
C2 0.000 1.191 -0.327
C3 0.000 -1.191 -0.327
O4 0.000 2.256 0.225
O5 0.000 -2.256 0.225
H6 0.000 1.037 -1.427
H7 0.000 -1.037 -1.427

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.39361.39362.26212.26212.09752.0975
C21.39362.38271.19873.49081.11072.4852
C31.39362.38273.49081.19872.48521.1107
O42.26211.19873.49084.51122.05243.6837
O52.26213.49081.19874.51123.68372.0524
H62.09751.11072.48522.05243.68372.0743
H72.09752.48521.11073.68372.05242.0743

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 121.349 O1 C2 H6 113.276
O1 C3 O5 121.349 C2 O1 C3 117.489
O4 C2 H6 125.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.227      
2 C 1.114      
3 C 1.114      
4 O -0.567      
5 O -0.567      
6 H -0.433      
7 H -0.433      


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 -3.210 3.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.614 0.000 0.000
y 0.000 -39.008 0.000
z 0.000 0.000 -26.222
Traceless
 xyz
x 6.001 0.000 0.000
y 0.000 -12.590 0.000
z 0.000 0.000 6.589
Polar
3z2-r213.178
x2-y212.394
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.659 0.000 0.000
y 0.000 8.674 0.000
z 0.000 0.000 5.274


<r2> (average value of r2) Å2
<r2> 127.127
(<r2>)1/2 11.275