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

using model chemistry: B3LYPultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-303.098204
Energy at 298.15K 
HF Energy-303.098204
Nuclear repulsion energy159.585615
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/6-31G(2df,p)
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 3005 2900 84.92 100.84 0.28 0.44
2 A1 1930 1863 31.08 27.77 0.17 0.29
3 A1 1457 1406 0.00 3.15 0.35 0.52
4 A1 1147 1106 101.95 3.15 0.18 0.31
5 A1 541 522 0.58 8.58 0.30 0.46
6 A1 279 269 12.41 0.56 0.39 0.57
7 A2 1034 998 0.00 1.06 0.75 0.86
8 A2 185 178 0.00 0.16 0.75 0.86
9 B1 1040 1004 0.69 3.08 0.75 0.86
10 B1 132 128 4.39 0.08 0.75 0.86
11 B2 2982 2878 0.34 1.64 0.75 0.86
12 B2 1850 1786 607.32 2.51 0.75 0.86
13 B2 1400 1351 7.12 7.66 0.75 0.86
14 B2 1085 1047 579.49 2.15 0.75 0.86
15 B2 712 687 40.42 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9388.9 cm-1
Scaled (by 0.965) 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 B3LYPultrafine/6-31G(2df,p)
ABC
1.62413 0.08650 0.08212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.385
C2 0.000 1.178 -0.321
C3 0.000 -1.178 -0.321
O4 0.000 2.232 0.225
O5 0.000 -2.232 0.225
H6 0.000 1.027 -1.414
H7 0.000 -1.027 -1.414

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37371.37372.23822.23822.07162.0716
C21.37372.35691.18683.45431.10362.4617
C31.37372.35693.45431.18682.46171.1036
O42.23821.18683.45434.46502.03423.6484
O52.23823.45431.18684.46503.64842.0342
H62.07161.10362.46172.03423.64842.0544
H72.07162.46171.10363.64842.03422.0544

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 121.722 O1 C2 H6 113.040
O1 C3 O5 121.722 C2 O1 C3 118.164
O4 C2 H6 125.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.145      
2 C 0.195      
3 C 0.195      
4 O -0.233      
5 O -0.233      
6 H 0.110      
7 H 0.110      


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 -3.042 3.042
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.872 0.000 0.000
y 0.000 -37.681 0.000
z 0.000 0.000 -25.564
Traceless
 xyz
x 5.751 0.000 0.000
y 0.000 -11.963 0.000
z 0.000 0.000 6.212
Polar
3z2-r212.425
x2-y211.809
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.612 0.000 0.000
y 0.000 7.009 0.000
z 0.000 0.000 4.091


<r2> (average value of r2) Å2
<r2> 124.301
(<r2>)1/2 11.149