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All results from a given calculation for H2CSe (Selenoformaldehyde)

using model chemistry: wB97X-D/SDD

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/SDD
 hartrees
Energy at 0K-48.592965
Energy at 298.15K 
HF Energy-48.592965
Nuclear repulsion energy19.385680
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/SDD
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 3157 3157 19.53 153.87 0.13 0.22
2 A1 1501 1501 0.40 2.77 0.68 0.81
3 A1 862 862 5.82 36.19 0.33 0.49
4 B1 1013 1013 104.51 4.79 0.75 0.86
5 B2 3275 3275 12.81 86.75 0.75 0.86
6 B2 969 969 15.54 4.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5388.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5388.5 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/SDD
ABC
9.77911 0.40532 0.38919

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.407
Se2 0.000 0.000 0.365
H3 0.000 0.925 -1.982
H4 0.000 -0.925 -1.982

Atom - Atom Distances (Å)
  C1 Se2 H3 H4
C11.77211.08891.0889
Se21.77212.52252.5225
H31.08892.52251.8496
H41.08892.52251.8496

picture of Selenoformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se2 C1 H3 121.863 Se2 C1 H4 121.863
H3 C1 H4 116.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.641      
2 Se 0.125      
3 H 0.258      
4 H 0.258      


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 -1.681 1.681
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.431 0.000 0.000
y 0.000 -22.403 0.000
z 0.000 0.000 -17.188
Traceless
 xyz
x -1.636 0.000 0.000
y 0.000 -3.093 0.000
z 0.000 0.000 4.729
Polar
3z2-r29.458
x2-y20.972
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.454 0.000 0.000
y 0.000 1.859 0.000
z 0.000 0.000 7.539


<r2> (average value of r2) Å2
<r2> 34.951
(<r2>)1/2 5.912