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

using model chemistry: SVWN/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at SVWN/6-31G**
 hartrees
Energy at 0K-301.534381
Energy at 298.15K 
HF Energy-301.534381
Nuclear repulsion energy159.531063
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 SVWN/6-31G**
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 2911 2864 89.87 110.98 0.27 0.43
2 A1 1931 1899 25.46 27.56 0.20 0.33
3 A1 1389 1366 0.89 3.41 0.32 0.49
4 A1 1144 1126 111.05 4.64 0.20 0.33
5 A1 541 532 0.73 10.11 0.36 0.53
6 A1 276 272 12.83 0.80 0.39 0.56
7 A2 989 973 0.00 1.09 0.75 0.86
8 A2 196 192 0.00 0.26 0.75 0.86
9 B1 998 981 0.04 4.67 0.75 0.86
10 B1 137 134 4.47 0.10 0.75 0.86
11 B2 2897 2850 0.94 1.40 0.75 0.86
12 B2 1851 1821 567.61 2.70 0.75 0.86
13 B2 1339 1317 4.47 9.00 0.75 0.86
14 B2 1100 1082 527.23 2.99 0.75 0.86
15 B2 697 686 29.83 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9197.3 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 9047.4 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 SVWN/6-31G**
ABC
1.61429 0.08678 0.08236

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.394
C2 0.000 1.168 -0.319
C3 0.000 -1.168 -0.319
O4 0.000 2.233 0.220
O5 0.000 -2.233 0.220
H6 0.000 1.000 -1.424
H7 0.000 -1.000 -1.424

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36801.36802.23962.23962.07442.0744
C21.36802.33591.19343.44321.11762.4335
C31.36802.33593.44321.19342.43351.1176
O42.23961.19343.44324.46582.05453.6270
O52.23963.44321.19344.46583.62702.0545
H62.07441.11762.43352.05453.62702.0006
H72.07442.43351.11763.62702.05452.0006

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 121.787 O1 C2 H6 112.750
O1 C3 O5 121.787 C2 O1 C3 117.242
O4 C2 H6 125.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.288      
2 C 0.350      
3 C 0.350      
4 O -0.323      
5 O -0.323      
6 H 0.117      
7 H 0.117      


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 -2.908 2.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.141 0.000 0.000
y 0.000 -37.425 0.000
z 0.000 0.000 -25.800
Traceless
 xyz
x 5.471 0.000 0.000
y 0.000 -11.455 0.000
z 0.000 0.000 5.984
Polar
3z2-r211.967
x2-y211.284
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.233 0.000 0.000
y 0.000 7.227 0.000
z 0.000 0.000 3.938


<r2> (average value of r2) Å2
<r2> 124.035
(<r2>)1/2 11.137