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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: M06-2X/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-114.499193
Energy at 298.15K-114.500639
HF Energy-114.499193
Nuclear repulsion energy31.493140
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/daug-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 2944 2944 59.19 162.36 0.10 0.18
2 A1 1870 1870 119.11 10.61 0.20 0.34
3 A1 1540 1540 11.20 8.28 0.43 0.60
4 B1 1216 1216 5.80 0.11 0.75 0.86
5 B2 3015 3015 87.08 77.24 0.75 0.86
6 B2 1273 1273 14.56 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5929.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5929.0 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/daug-cc-pVTZ
ABC
9.49807 1.31633 1.15611

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/daug-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
C21.19591.10331.1033
H32.00881.10331.8767
H42.00881.10331.8767

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 121.731 O1 C2 H4 121.731
H3 C2 H4 116.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.948      
2 C -0.513      
3 H 0.730      
4 H 0.730      


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 -2.459 2.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.748 0.000 0.000
y 0.000 -11.560 0.000
z 0.000 0.000 -12.233
Traceless
 xyz
x 0.149 0.000 0.000
y 0.000 0.431 0.000
z 0.000 0.000 -0.579
Polar
3z2-r2-1.159
x2-y2-0.188
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.902 0.000 0.000
y 0.000 2.615 0.000
z 0.000 0.000 3.235


<r2> (average value of r2) Å2
<r2> 16.858
(<r2>)1/2 4.106