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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-114.494221
Energy at 298.15K-114.495669
HF Energy-114.494221
Nuclear repulsion energy31.437577
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/6-311G**
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 2901 2774 62.31 169.37 0.17 0.29
2 A1 1865 1784 116.26 5.23 0.53 0.69
3 A1 1547 1480 7.78 12.57 0.63 0.77
4 B1 1215 1162 2.68 1.14 0.75 0.86
5 B2 2958 2829 152.08 90.71 0.75 0.86
6 B2 1281 1225 15.81 4.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5882.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 5626.6 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/6-311G**
ABC
9.48413 1.31090 1.15171

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.672
C2 0.000 0.000 -0.524
H3 0.000 0.939 -1.114
H4 0.000 -0.939 -1.114

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.19632.01762.0176
C21.19631.10871.1087
H32.01761.10871.8781
H42.01761.10871.8781

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 122.115 O1 C2 H4 122.115
H3 C2 H4 115.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.261      
2 C 0.100      
3 H 0.081      
4 H 0.081      


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 -2.321 2.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.457 0.000 0.000
y 0.000 -11.424 0.000
z 0.000 0.000 -11.960
Traceless
 xyz
x 0.234 0.000 0.000
y 0.000 0.284 0.000
z 0.000 0.000 -0.519
Polar
3z2-r2-1.038
x2-y2-0.033
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.170 0.000 0.000
y 0.000 2.088 0.000
z 0.000 0.000 2.811


<r2> (average value of r2) Å2
<r2> 16.761
(<r2>)1/2 4.094