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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-114.455329
Energy at 298.15K-114.456765
HF Energy-114.455329
Nuclear repulsion energy31.027172
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 B97D3/aug-cc-pVDZ
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 2811 2811 88.85 201.34 0.11 0.20
2 A1 1755 1755 104.57 8.17 0.35 0.52
3 A1 1486 1486 10.38 9.08 0.44 0.61
4 B1 1162 1162 5.54 0.42 0.75 0.86
5 B2 2866 2866 156.19 134.53 0.75 0.86
6 B2 1219 1219 9.34 1.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5649.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5649.3 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 B97D3/aug-cc-pVDZ
ABC
9.26384 1.27626 1.12173

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.681
C2 0.000 0.000 -0.532
H3 0.000 0.950 -1.127
H4 0.000 -0.950 -1.127

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.21322.04212.0421
C21.21321.12081.1208
H32.04211.12081.9003
H42.04211.12081.9003

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 122.029 O1 C2 H4 122.029
H3 C2 H4 115.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.356      
2 C 0.759      
3 H -0.201      
4 H -0.201      


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 -2.289 2.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.692 0.000 0.000
y 0.000 -11.756 0.000
z 0.000 0.000 -12.466
Traceless
 xyz
x 0.420 0.000 0.000
y 0.000 0.322 0.000
z 0.000 0.000 -0.742
Polar
3z2-r2-1.484
x2-y20.065
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.911 0.000 0.000
y 0.000 2.813 0.000
z 0.000 0.000 3.504


<r2> (average value of r2) Å2
<r2> 17.231
(<r2>)1/2 4.151