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

using model chemistry: B2PLYP/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-302.874987
Energy at 298.15K 
HF Energy-302.589919
Nuclear repulsion energy158.527334
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/daug-cc-pVDZ
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 3058 3058 67.02 130.86 0.25 0.40
2 A1 1863 1863 24.09 49.71 0.14 0.24
3 A1 1427 1427 0.24 4.55 0.37 0.54
4 A1 1125 1125 95.47 3.17 0.08 0.14
5 A1 527 527 0.27 11.00 0.21 0.34
6 A1 276 276 13.88 0.59 0.31 0.47
7 A2 1006 1006 0.00 0.38 0.75 0.86
8 A2 185 185 0.00 0.48 0.75 0.86
9 B1 1015 1015 0.10 1.53 0.75 0.86
10 B1 131 131 4.88 0.07 0.75 0.86
11 B2 3037 3037 2.10 0.24 0.75 0.86
12 B2 1784 1784 676.30 2.21 0.75 0.86
13 B2 1376 1376 7.24 4.47 0.75 0.86
14 B2 1046 1046 694.21 2.49 0.75 0.86
15 B2 697 697 45.83 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9276.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9276.7 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/daug-cc-pVDZ
ABC
1.59591 0.08549 0.08114

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.394
C2 0.000 1.183 -0.325
C3 0.000 -1.183 -0.325
O4 0.000 2.247 0.224
O5 0.000 -2.247 0.224
H6 0.000 1.033 -1.419
H7 0.000 -1.033 -1.419

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.38411.38412.25302.25302.08662.0866
C21.38412.36581.19663.47301.10422.4716
C31.38412.36583.47301.19662.47161.1042
O42.25301.19663.47304.49312.04173.6681
O52.25303.47301.19664.49313.66812.0417
H62.08661.10422.47162.04173.66812.0668
H72.08662.47161.10423.66812.04172.0668

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 121.449 O1 C2 H6 113.502
O1 C3 O5 121.449 C2 O1 C3 117.434
O4 C2 H6 125.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.378      
2 C 1.236      
3 C 1.236      
4 O -0.605      
5 O -0.605      
6 H -0.443      
7 H -0.443      


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 -3.401 3.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.900 0.000 0.000
y 0.000 -39.661 0.000
z 0.000 0.000 -26.431
Traceless
 xyz
x 6.146 0.000 0.000
y 0.000 -12.996 0.000
z 0.000 0.000 6.850
Polar
3z2-r213.701
x2-y212.761
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.572 0.000 0.000
y 0.000 8.276 0.000
z 0.000 0.000 5.049


<r2> (average value of r2) Å2
<r2> 126.370
(<r2>)1/2 11.241