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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/TZVP
 hartrees
Energy at 0K-303.190739
Energy at 298.15K 
HF Energy-303.190739
Nuclear repulsion energy159.352016
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/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 3009 2899 86.51 126.65 0.28 0.43
2 A1 1907 1837 29.75 36.80 0.18 0.30
3 A1 1451 1398 0.00 3.23 0.39 0.56
4 A1 1127 1086 112.67 3.61 0.24 0.39
5 A1 532 513 0.17 9.52 0.31 0.48
6 A1 273 263 14.48 0.77 0.42 0.59
7 A2 1023 985 0.00 1.18 0.75 0.86
8 A2 172 166 0.00 0.69 0.75 0.86
9 B1 1031 993 0.22 2.21 0.75 0.86
10 B1 130 126 4.24 0.13 0.75 0.86
11 B2 2987 2877 0.82 1.45 0.75 0.86
12 B2 1829 1762 702.12 3.02 0.75 0.86
13 B2 1400 1349 8.08 7.13 0.75 0.86
14 B2 1050 1012 688.04 2.00 0.75 0.86
15 B2 711 685 53.01 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9315.2 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 8974.2 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/TZVP
ABC
1.62004 0.08613 0.08178

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.383
C2 0.000 1.184 -0.322
C3 0.000 -1.184 -0.322
O4 0.000 2.235 0.227
O5 0.000 -2.235 0.227
H6 0.000 1.044 -1.414
H7 0.000 -1.044 -1.414

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37831.37832.24082.24082.07812.0781
C21.37832.36881.18583.46361.10082.4817
C31.37832.36883.46361.18582.48171.1008
O42.24081.18583.46364.47082.02773.6672
O52.24083.46361.18584.47083.66722.0277
H62.07811.10082.48172.02773.66722.0884
H72.07812.48171.10083.66722.02772.0884

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 121.655 O1 C2 H6 113.441
O1 C3 O5 121.655 C2 O1 C3 118.482
O4 C2 H6 124.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.115      
2 C 0.227      
3 C 0.227      
4 O -0.245      
5 O -0.245      
6 H 0.075      
7 H 0.075      


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 -3.522 3.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.531 0.000 0.000
y 0.000 -39.584 0.000
z 0.000 0.000 -26.309
Traceless
 xyz
x 6.416 0.000 0.000
y 0.000 -13.164 0.000
z 0.000 0.000 6.749
Polar
3z2-r213.498
x2-y213.053
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.714 0.000 0.000
y 0.000 7.598 0.000
z 0.000 0.000 4.273


<r2> (average value of r2) Å2
<r2> 125.447
(<r2>)1/2 11.200