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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-302.895722
Energy at 298.15K 
HF Energy-302.895722
Nuclear repulsion energy160.286571
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 HSEh1PBE/aug-cc-pVTZ
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 3022 2906 72.31 125.06 0.24 0.39
2 A1 1933 1859 31.61 48.34 0.15 0.26
3 A1 1441 1386 0.00 3.43 0.42 0.59
4 A1 1163 1119 104.91 2.11 0.12 0.21
5 A1 547 526 0.59 8.59 0.21 0.34
6 A1 280 269 14.50 0.64 0.26 0.42
7 A2 1029 990 0.00 0.43 0.75 0.86
8 A2 187 180 0.00 0.44 0.75 0.86
9 B1 1038 998 0.00 1.39 0.75 0.86
10 B1 133 128 5.36 0.07 0.75 0.86
11 B2 3001 2887 2.87 0.32 0.75 0.86
12 B2 1852 1781 723.22 2.45 0.75 0.86
13 B2 1385 1332 6.84 3.64 0.75 0.86
14 B2 1101 1059 667.36 2.19 0.75 0.86
15 B2 718 690 44.92 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9414.8 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 9055.2 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 HSEh1PBE/aug-cc-pVTZ
ABC
1.63563 0.08734 0.08291

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.385
C2 0.000 1.171 -0.319
C3 0.000 -1.171 -0.319
O4 0.000 2.222 0.223
O5 0.000 -2.222 0.223
H6 0.000 1.024 -1.410
H7 0.000 -1.024 -1.410

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36651.36652.22832.22832.06722.0672
C21.36652.34211.18273.43641.10122.4517
C31.36652.34213.43641.18272.45171.1012
O42.22831.18273.43644.44472.02543.6343
O52.22833.43641.18274.44473.63432.0254
H62.06721.10122.45172.02543.63432.0487
H72.06722.45171.10123.63432.02542.0487

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 121.720 O1 C2 H6 113.366
O1 C3 O5 121.720 C2 O1 C3 117.959
O4 C2 H6 124.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.091      
2 C 0.138      
3 C 0.138      
4 O -0.520      
5 O -0.520      
6 H 0.428      
7 H 0.428      


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 -3.301 3.301
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.444 0.000 0.000
y 0.000 -39.219 0.000
z 0.000 0.000 -26.009
Traceless
 xyz
x 6.170 0.000 0.000
y 0.000 -12.992 0.000
z 0.000 0.000 6.823
Polar
3z2-r213.645
x2-y212.775
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.458 0.000 0.000
y 0.000 7.893 0.000
z 0.000 0.000 4.903


<r2> (average value of r2) Å2
<r2> 123.843
(<r2>)1/2 11.128