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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-114.498970
Energy at 298.15K-114.500418
HF Energy-114.498970
Nuclear repulsion energy31.492318
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 M06-2X/aug-cc-pVTZ
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 2945 2815 59.05 162.21 0.10 0.18
2 A1 1870 1787 119.44 10.39 0.22 0.36
3 A1 1540 1472 11.21 8.40 0.42 0.59
4 B1 1214 1160 5.88 0.10 0.75 0.86
5 B2 3015 2881 86.37 77.46 0.75 0.86
6 B2 1274 1217 14.19 1.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5928.6 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 5666.0 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 M06-2X/aug-cc-pVTZ
ABC
9.50043 1.31618 1.15602

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.670
C2 0.000 0.000 -0.525
H3 0.000 0.938 -1.106
H4 0.000 -0.938 -1.106

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.19592.00882.0088
C21.19591.10321.1032
H32.00881.10321.8765
H42.00881.10321.8765

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 121.738 O1 C2 H4 121.738
H3 C2 H4 116.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.459      
2 C -0.267      
3 H 0.363      
4 H 0.363      


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 -2.463 2.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.745 0.000 0.000
y 0.000 -11.559 0.000
z 0.000 0.000 -12.241
Traceless
 xyz
x 0.155 0.000 0.000
y 0.000 0.434 0.000
z 0.000 0.000 -0.589
Polar
3z2-r2-1.178
x2-y2-0.186
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.882 0.000 0.000
y 0.000 2.595 0.000
z 0.000 0.000 3.229


<r2> (average value of r2) Å2
<r2> 16.859
(<r2>)1/2 4.106