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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-302.600854
Energy at 298.15K 
HF Energy-302.401927
Nuclear repulsion energy155.518677
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3099 3099 83.32 127.04 0.28 0.44
2 A1 1782 1782 18.78 19.87 0.16 0.27
3 A1 1464 1464 0.42 3.72 0.29 0.45
4 A1 1051 1051 97.99 8.59 0.19 0.32
5 A1 507 507 0.62 14.78 0.39 0.56
6 A1 251 251 12.23 0.90 0.59 0.74
7 A2 1010 1010 0.00 2.37 0.75 0.86
8 A2 159 159 0.00 0.84 0.75 0.86
9 B1 1019 1019 0.01 2.90 0.75 0.86
10 B1 126 126 1.87 0.07 0.75 0.86
11 B2 3083 3083 1.32 4.46 0.75 0.86
12 B2 1699 1699 534.82 2.22 0.75 0.86
13 B2 1421 1421 2.49 14.64 0.75 0.86
14 B2 1018 1018 656.54 2.39 0.75 0.86
15 B2 673 673 47.45 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9181.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9181.4 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 B2PLYP/6-31G
ABC
1.56185 0.08172 0.07766

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.378
C2 0.000 1.218 -0.335
C3 0.000 -1.218 -0.335
O4 0.000 2.294 0.240
O5 0.000 -2.294 0.240
H6 0.000 1.086 -1.423
H7 0.000 -1.086 -1.423

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.41111.41112.29802.29802.10322.1032
C21.41112.43531.22013.55831.09582.5479
C31.41112.43533.55831.22012.54791.0958
O42.29801.22013.55834.58782.05493.7671
O52.29803.55831.22014.58783.76712.0549
H62.10321.09582.54792.05493.76712.1728
H72.10322.54791.09583.76712.05492.1728

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 121.540 O1 C2 H6 113.474
O1 C3 O5 121.540 C2 O1 C3 119.293
O4 C2 H6 124.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.467      
2 C 0.411      
3 C 0.411      
4 O -0.332      
5 O -0.332      
6 H 0.154      
7 H 0.154      


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 -3.941 3.941
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.611 0.000 0.000
y 0.000 -39.708 0.000
z 0.000 0.000 -26.595
Traceless
 xyz
x 6.541 0.000 0.000
y 0.000 -13.105 0.000
z 0.000 0.000 6.564
Polar
3z2-r213.129
x2-y213.097
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.854 0.000 0.000
y 0.000 7.534 0.000
z 0.000 0.000 3.649


<r2> (average value of r2) Å2
<r2> 131.146
(<r2>)1/2 11.452