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

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-303.148099
Energy at 298.15K 
HF Energy-303.148099
Nuclear repulsion energy157.324750
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 BLYP/TZVP
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 2917 2910 96.41 138.09 0.29 0.45
2 A1 1821 1817 23.57 37.48 0.18 0.30
3 A1 1396 1393 0.18 3.42 0.38 0.55
4 A1 1054 1051 97.04 4.00 0.20 0.34
5 A1 499 498 0.00 12.74 0.31 0.47
6 A1 260 260 12.62 0.75 0.33 0.49
7 A2 973 970 0.00 0.80 0.75 0.86
8 A2 168 168 0.00 0.51 0.75 0.86
9 B1 980 977 0.03 2.62 0.75 0.86
10 B1 127 127 3.95 0.13 0.75 0.86
11 B2 2896 2888 0.58 1.83 0.75 0.86
12 B2 1747 1742 628.57 2.72 0.75 0.86
13 B2 1347 1344 6.05 7.60 0.75 0.86
14 B2 936 933 649.55 2.84 0.75 0.86
15 B2 679 677 53.25 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8899.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 8877.3 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 BLYP/TZVP
ABC
1.57672 0.08393 0.07969

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.395
C2 0.000 1.202 -0.327
C3 0.000 -1.202 -0.327
O4 0.000 2.264 0.226
O5 0.000 -2.264 0.226
H6 0.000 1.052 -1.425
H7 0.000 -1.052 -1.425

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.40241.40242.27012.27012.10232.1023
C21.40242.40391.19763.50981.10782.5071
C31.40242.40393.50981.19762.50711.1078
O42.27011.19763.50984.52772.04823.7044
O52.27013.50981.19764.52773.70442.0482
H62.10231.10782.50712.04823.70442.1043
H72.10232.50711.10783.70442.04822.1043

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 121.456 O1 C2 H6 113.237
O1 C3 O5 121.456 C2 O1 C3 117.981
O4 C2 H6 125.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.097      
2 C 0.193      
3 C 0.193      
4 O -0.216      
5 O -0.216      
6 H 0.071      
7 H 0.071      


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 -3.371 3.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.800 0.000 0.000
y 0.000 -39.289 0.000
z 0.000 0.000 -26.613
Traceless
 xyz
x 6.151 0.000 0.000
y 0.000 -12.583 0.000
z 0.000 0.000 6.432
Polar
3z2-r212.864
x2-y212.490
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.821 0.000 0.000
y 0.000 8.225 0.000
z 0.000 0.000 4.512


<r2> (average value of r2) Å2
<r2> 128.267
(<r2>)1/2 11.325