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

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-303.106183
Energy at 298.15K 
HF Energy-303.106183
Nuclear repulsion energy160.405686
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/Def2TZVPP
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 3029 2893 77.90 122.93 0.24 0.39
2 A1 1945 1858 34.45 34.48 0.19 0.31
3 A1 1454 1389 0.01 3.34 0.33 0.49
4 A1 1169 1117 111.71 2.81 0.18 0.31
5 A1 551 527 0.63 7.99 0.26 0.42
6 A1 282 269 14.73 0.72 0.44 0.61
7 A2 1037 991 0.00 1.10 0.75 0.86
8 A2 182 174 0.00 0.50 0.75 0.86
9 B1 1046 999 0.05 1.36 0.75 0.86
10 B1 131 125 5.05 0.10 0.75 0.86
11 B2 3009 2875 1.59 1.01 0.75 0.86
12 B2 1864 1780 729.52 3.35 0.75 0.86
13 B2 1398 1335 9.33 5.03 0.75 0.86
14 B2 1116 1066 687.73 1.83 0.75 0.86
15 B2 723 691 45.95 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9469.0 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 9044.8 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/Def2TZVPP
ABC
1.63578 0.08744 0.08300

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.380
C2 0.000 1.172 -0.320
C3 0.000 -1.172 -0.320
O4 0.000 2.220 0.226
O5 0.000 -2.220 0.226
H6 0.000 1.033 -1.411
H7 0.000 -1.033 -1.411

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36541.36542.22532.22532.06812.0681
C21.36542.34491.18113.43601.10052.4610
C31.36542.34493.43601.18112.46101.1005
O42.22531.18113.43604.44002.02203.6419
O52.22533.43601.18114.44003.64192.0220
H62.06811.10052.46102.02203.64192.0665
H72.06812.46101.10053.64192.02202.0665

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 121.658 O1 C2 H6 113.568
O1 C3 O5 121.658 C2 O1 C3 118.332
O4 C2 H6 124.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.160      
2 C 0.242      
3 C 0.242      
4 O -0.242      
5 O -0.242      
6 H 0.079      
7 H 0.079      


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 -3.358 3.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.221 0.000 0.000
y 0.000 -38.972 0.000
z 0.000 0.000 -25.788
Traceless
 xyz
x 6.159 0.000 0.000
y 0.000 -12.968 0.000
z 0.000 0.000 6.809
Polar
3z2-r213.618
x2-y212.752
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.984 0.000 0.000
y 0.000 7.405 0.000
z 0.000 0.000 4.422


<r2> (average value of r2) Å2
<r2> 123.607
(<r2>)1/2 11.118