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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-114.454658
Energy at 298.15K-114.456104
HF Energy-114.454658
Nuclear repulsion energy31.327970
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/6-31+G**
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 2964 2823 56.16 160.70 0.18 0.30
2 A1 1879 1789 123.90 10.18 0.28 0.43
3 A1 1545 1471 5.84 13.44 0.58 0.74
4 B1 1209 1151 5.27 1.37 0.75 0.86
5 B2 3040 2895 111.56 95.56 0.75 0.86
6 B2 1271 1210 13.09 3.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5953.7 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 5669.1 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/6-31+G**
ABC
9.44898 1.30120 1.14371

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.674
C2 0.000 0.000 -0.529
H3 0.000 0.941 -1.110
H4 0.000 -0.941 -1.110

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.20352.01712.0171
C21.20351.10561.1056
H32.01711.10561.8816
H42.01711.10561.8816

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 121.686 O1 C2 H4 121.686
H3 C2 H4 116.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.318      
2 C 0.076      
3 H 0.121      
4 H 0.121      


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 -2.535 2.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.755 0.000 0.000
y 0.000 -11.632 0.000
z 0.000 0.000 -12.285
Traceless
 xyz
x 0.204 0.000 0.000
y 0.000 0.388 0.000
z 0.000 0.000 -0.592
Polar
3z2-r2-1.183
x2-y2-0.122
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.302 0.000 0.000
y 0.000 2.289 0.000
z 0.000 0.000 3.102


<r2> (average value of r2) Å2
<r2> 16.979
(<r2>)1/2 4.121