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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-114.506291
Energy at 298.15K-114.507738
HF Energy-114.506291
Nuclear repulsion energy31.487204
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/6-311+G(3df,2p)
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 2909 2909 69.63 154.02 0.12 0.21
2 A1 1857 1857 117.28 10.78 0.22 0.36
3 A1 1537 1537 11.27 8.38 0.45 0.62
4 B1 1211 1211 6.23 0.06 0.75 0.86
5 B2 2971 2971 106.07 91.50 0.75 0.86
6 B2 1273 1273 12.32 1.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5878.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5878.8 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/6-311+G(3df,2p)
ABC
9.49063 1.31584 1.15562

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.671
C2 0.000 0.000 -0.525
H3 0.000 0.939 -1.109
H4 0.000 -0.939 -1.109

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.19522.01162.0116
C21.19521.10561.1056
H32.01161.10561.8775
H42.01161.10561.8775

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 121.887 O1 C2 H4 121.887
H3 C2 H4 116.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.447      
2 C 0.179      
3 H 0.134      
4 H 0.134      


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 -2.453 2.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.628 0.000 0.000
y 0.000 -11.505 0.000
z 0.000 0.000 -12.205
Traceless
 xyz
x 0.226 0.000 0.000
y 0.000 0.412 0.000
z 0.000 0.000 -0.638
Polar
3z2-r2-1.276
x2-y2-0.124
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.796 0.000 0.000
y 0.000 2.544 0.000
z 0.000 0.000 3.200


<r2> (average value of r2) Å2
<r2> 16.826
(<r2>)1/2 4.102