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

using model chemistry: B3LYPultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/Def2TZVPP
 hartrees
Energy at 0K-303.209542
Energy at 298.15K 
HF Energy-303.209542
Nuclear repulsion energy159.622778
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 B3LYPultrafine/Def2TZVPP
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 3011 3011 80.94 125.72 0.25 0.40
2 A1 1905 1905 32.35 35.43 0.19 0.31
3 A1 1443 1443 0.00 3.47 0.34 0.51
4 A1 1133 1133 105.11 2.87 0.20 0.34
5 A1 536 536 0.39 9.13 0.27 0.42
6 A1 276 276 13.66 0.70 0.37 0.54
7 A2 1023 1023 0.00 0.98 0.75 0.86
8 A2 179 179 0.00 0.41 0.75 0.86
9 B1 1032 1032 0.02 1.52 0.75 0.86
10 B1 131 131 4.79 0.10 0.75 0.86
11 B2 2988 2988 1.43 1.19 0.75 0.86
12 B2 1826 1826 684.40 3.24 0.75 0.86
13 B2 1389 1389 6.86 5.21 0.75 0.86
14 B2 1060 1060 666.86 2.21 0.75 0.86
15 B2 711 711 49.57 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9321.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9321.1 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 B3LYPultrafine/Def2TZVPP
ABC
1.62569 0.08645 0.08208

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.382
C2 0.000 1.182 -0.321
C3 0.000 -1.182 -0.321
O4 0.000 2.232 0.227
O5 0.000 -2.232 0.227
H6 0.000 1.039 -1.412
H7 0.000 -1.039 -1.412

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37511.37512.23712.23712.07322.0732
C21.37512.36311.18463.45701.09982.4740
C31.37512.36313.45701.18462.47401.0998
O42.23711.18463.45704.46342.02663.6583
O52.23713.45701.18464.46343.65832.0266
H62.07321.09982.47402.02663.65832.0782
H72.07322.47401.09983.65832.02662.0782

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 121.673 O1 C2 H6 113.327
O1 C3 O5 121.673 C2 O1 C3 118.463
O4 C2 H6 125.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.146      
2 C 0.198      
3 C 0.198      
4 O -0.207      
5 O -0.207      
6 H 0.083      
7 H 0.083      


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 -3.333 3.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.473 0.000 0.000
y 0.000 -39.209 0.000
z 0.000 0.000 -26.153
Traceless
 xyz
x 6.208 0.000 0.000
y 0.000 -12.896 0.000
z 0.000 0.000 6.688
Polar
3z2-r213.376
x2-y212.736
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.012 0.000 0.000
y 0.000 7.623 0.000
z 0.000 0.000 4.494


<r2> (average value of r2) Å2
<r2> 124.937
(<r2>)1/2 11.178