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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: B97D3/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 B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-114.484835
Energy at 298.15K-114.486271
HF Energy-114.484835
Nuclear repulsion energy31.215613
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 B97D3/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 2805 2805 87.79 203.46 0.11 0.19
2 A1 1765 1765 108.77 8.06 0.32 0.49
3 A1 1498 1498 10.10 9.26 0.42 0.59
4 B1 1165 1165 5.28 0.49 0.75 0.86
5 B2 2847 2847 155.40 134.79 0.75 0.86
6 B2 1234 1234 9.98 1.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5657.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5657.1 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 B97D3/daug-cc-pVTZ
ABC
9.39667 1.29122 1.13523

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.677
C2 0.000 0.000 -0.529
H3 0.000 0.943 -1.121
H4 0.000 -0.943 -1.121

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.20592.03052.0305
C21.20591.11381.1138
H32.03051.11381.8868
H42.03051.11381.8868

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 122.114 O1 C2 H4 122.114
H3 C2 H4 115.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.858      
2 C -0.101      
3 H 0.480      
4 H 0.480      


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 -2.254 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.693 0.000 0.000
y 0.000 -11.712 0.000
z 0.000 0.000 -12.373
Traceless
 xyz
x 0.350 0.000 0.000
y 0.000 0.321 0.000
z 0.000 0.000 -0.671
Polar
3z2-r2-1.341
x2-y20.019
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.005 0.000 0.000
y 0.000 2.896 0.000
z 0.000 0.000 3.494


<r2> (average value of r2) Å2
<r2> 17.087
(<r2>)1/2 4.134