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

using model chemistry: wB97X-D/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-303.096340
Energy at 298.15K 
HF Energy-303.096340
Nuclear repulsion energy160.336205
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/aug-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 2897 71.02 123.50 0.24 0.39
2 A1 1940 1856 33.87 47.99 0.15 0.25
3 A1 1452 1389 0.01 3.24 0.41 0.58
4 A1 1167 1116 106.29 2.19 0.10 0.17
5 A1 550 526 0.61 8.11 0.20 0.34
6 A1 281 268 14.80 0.62 0.31 0.47
7 A2 1035 990 0.00 0.50 0.75 0.86
8 A2 182 174 0.00 0.47 0.75 0.86
9 B1 1044 998 0.00 1.29 0.75 0.86
10 B1 132 126 5.11 0.07 0.75 0.86
11 B2 3009 2878 2.52 0.39 0.75 0.86
12 B2 1859 1778 750.35 2.37 0.75 0.86
13 B2 1396 1335 9.11 3.81 0.75 0.86
14 B2 1112 1063 701.54 1.94 0.75 0.86
15 B2 722 690 46.31 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9452.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9042.7 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/aug-cc-pVTZ
ABC
1.63336 0.08737 0.08294

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.380
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 1.035 -1.411
H7 0.000 -1.035 -1.411

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36611.36612.22612.22612.06882.0688
C21.36612.34571.18193.43741.09982.4625
C31.36612.34573.43741.18192.46251.0998
O42.22611.18193.43744.44152.02213.6441
O52.22613.43741.18194.44153.64412.0221
H62.06881.09982.46252.02213.64412.0693
H72.06882.46251.09983.64412.02212.0693

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 121.612 O1 C2 H6 113.625
O1 C3 O5 121.612 C2 O1 C3 118.312
O4 C2 H6 124.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.137      
2 C 0.249      
3 C 0.249      
4 O -0.624      
5 O -0.624      
6 H 0.444      
7 H 0.444      


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 -3.380 3.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.336 0.000 0.000
y 0.000 -39.166 0.000
z 0.000 0.000 -25.849
Traceless
 xyz
x 6.172 0.000 0.000
y 0.000 -13.074 0.000
z 0.000 0.000 6.902
Polar
3z2-r213.804
x2-y212.830
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.485 0.000 0.000
y 0.000 7.825 0.000
z 0.000 0.000 4.903


<r2> (average value of r2) Å2
<r2> 123.766
(<r2>)1/2 11.125