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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: wB97X-D/6-31G**

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/6-31G**
 hartrees
Energy at 0K-114.462989
Energy at 298.15K-114.464436
HF Energy-114.462989
Nuclear repulsion energy31.307138
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/6-31G**
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 2922 2922 55.48 155.77 0.17 0.28
2 A1 1882 1882 103.59 3.89 0.43 0.60
3 A1 1562 1562 5.98 13.99 0.62 0.76
4 B1 1212 1212 2.13 1.87 0.75 0.86
5 B2 2983 2983 154.43 75.25 0.75 0.86
6 B2 1284 1284 13.72 6.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5922.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5922.7 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/6-31G**
ABC
9.51292 1.29708 1.14144

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.675
C2 0.000 0.000 -0.527
H3 0.000 0.938 -1.119
H4 0.000 -0.938 -1.119

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.20282.02502.0250
C21.20281.10891.1089
H32.02501.10891.8753
H42.02501.10891.8753

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 122.266 O1 C2 H4 122.266
H3 C2 H4 115.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.352      
2 C 0.157      
3 H 0.097      
4 H 0.097      


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 -2.290 2.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.384 0.000 0.000
y 0.000 -11.405 0.000
z 0.000 0.000 -11.853
Traceless
 xyz
x 0.245 0.000 0.000
y 0.000 0.214 0.000
z 0.000 0.000 -0.459
Polar
3z2-r2-0.917
x2-y20.021
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.035 0.000 0.000
y 0.000 2.107 0.000
z 0.000 0.000 2.738


<r2> (average value of r2) Å2
<r2> 16.795
(<r2>)1/2 4.098