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

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-302.856907
Energy at 298.15K 
HF Energy-302.856907
Nuclear repulsion energy160.166600
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 HSEh1PBE/6-311G**
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 3020 2900 98.08 121.74 0.27 0.42
2 A1 1952 1875 32.72 27.56 0.20 0.33
3 A1 1447 1390 0.04 2.88 0.33 0.50
4 A1 1163 1117 124.91 3.58 0.28 0.43
5 A1 546 524 0.51 8.53 0.35 0.51
6 A1 279 268 14.40 0.77 0.41 0.58
7 A2 1039 998 0.00 1.54 0.75 0.86
8 A2 186 179 0.00 0.41 0.75 0.86
9 B1 1045 1004 0.65 2.45 0.75 0.86
10 B1 131 126 4.54 0.14 0.75 0.86
11 B2 2999 2880 0.95 1.65 0.75 0.86
12 B2 1874 1799 697.32 3.34 0.75 0.86
13 B2 1396 1341 7.78 6.98 0.75 0.86
14 B2 1105 1061 629.00 1.90 0.75 0.86
15 B2 718 689 46.07 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9449.1 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 9075.0 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 HSEh1PBE/6-311G**
ABC
1.63653 0.08716 0.08275

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.388
C2 0.000 1.172 -0.318
C3 0.000 -1.172 -0.318
O4 0.000 2.225 0.221
O5 0.000 -2.225 0.221
H6 0.000 1.020 -1.411
H7 0.000 -1.020 -1.411

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36841.36842.23092.23092.06772.0677
C21.36842.34491.18233.43961.10332.4500
C31.36842.34493.43961.18232.45001.1033
O42.23091.18233.43964.44932.02823.6323
O52.23093.43961.18234.44933.63232.0282
H62.06771.10332.45002.02823.63232.0407
H72.06772.45001.10333.63232.02822.0407

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 121.828 O1 C2 H6 113.121
O1 C3 O5 121.828 C2 O1 C3 117.916
O4 C2 H6 125.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.216      
2 C 0.281      
3 C 0.281      
4 O -0.261      
5 O -0.261      
6 H 0.088      
7 H 0.088      


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 -3.289 3.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.142 0.000 0.000
y 0.000 -38.360 0.000
z 0.000 0.000 -25.767
Traceless
 xyz
x 5.921 0.000 0.000
y 0.000 -12.405 0.000
z 0.000 0.000 6.484
Polar
3z2-r212.968
x2-y212.217
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.345 0.000 0.000
y 0.000 6.898 0.000
z 0.000 0.000 3.866


<r2> (average value of r2) Å2
<r2> 123.735
(<r2>)1/2 11.124