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

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-303.091469
Energy at 298.15K 
HF Energy-303.091469
Nuclear repulsion energy160.361213
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 wB97X-D/cc-pVTZ
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 3028 2895 82.37 122.93 0.25 0.40
2 A1 1949 1863 34.18 29.03 0.20 0.33
3 A1 1456 1392 0.02 3.31 0.31 0.48
4 A1 1170 1118 112.86 2.61 0.21 0.35
5 A1 551 527 0.62 7.95 0.27 0.43
6 A1 282 269 14.41 0.71 0.44 0.61
7 A2 1037 992 0.00 1.20 0.75 0.86
8 A2 181 173 0.00 0.40 0.75 0.86
9 B1 1046 1000 0.14 1.64 0.75 0.86
10 B1 131 126 4.87 0.10 0.75 0.86
11 B2 3008 2876 1.40 1.54 0.75 0.86
12 B2 1868 1786 707.28 3.15 0.75 0.86
13 B2 1399 1338 8.54 5.31 0.75 0.86
14 B2 1116 1067 672.51 1.85 0.75 0.86
15 B2 723 691 44.80 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9472.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 9055.7 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 wB97X-D/cc-pVTZ
ABC
1.63530 0.08739 0.08295

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.381
C2 0.000 1.173 -0.320
C3 0.000 -1.173 -0.320
O4 0.000 2.221 0.226
O5 0.000 -2.221 0.226
H6 0.000 1.032 -1.411
H7 0.000 -1.032 -1.411

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36601.36602.22622.22622.06762.0676
C21.36602.34521.18153.43681.10012.4597
C31.36602.34523.43681.18152.45971.1001
O42.22621.18153.43684.44142.02263.6410
O52.22623.43681.18154.44143.64102.0226
H62.06761.10012.45972.02263.64102.0637
H72.06762.45971.10013.64102.02262.0637

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 121.654 O1 C2 H6 113.511
O1 C3 O5 121.654 C2 O1 C3 118.278
O4 C2 H6 124.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.109      
2 C 0.235      
3 C 0.235      
4 O -0.228      
5 O -0.228      
6 H 0.047      
7 H 0.047      


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 -3.322 3.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.149 0.000 0.000
y 0.000 -38.640 0.000
z 0.000 0.000 -25.656
Traceless
 xyz
x 5.998 0.000 0.000
y 0.000 -12.737 0.000
z 0.000 0.000 6.739
Polar
3z2-r213.478
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 2.823 0.000 0.000
y 0.000 7.212 0.000
z 0.000 0.000 4.309


<r2> (average value of r2) Å2
<r2> 123.547
(<r2>)1/2 11.115