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All results from a given calculation for H2CSe (Selenoformaldehyde)

using model chemistry: mPW1PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/Def2TZVPP
 hartrees
Energy at 0K-2441.006323
Energy at 298.15K 
HF Energy-2441.006323
Nuclear repulsion energy82.612712
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 mPW1PW91/Def2TZVPP
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 3117 3117 16.10 147.22 0.12 0.22
2 A1 1462 1462 2.41 4.63 0.69 0.82
3 A1 915 915 4.25 36.55 0.20 0.34
4 B1 977 977 52.28 0.18 0.75 0.86
5 B2 3218 3218 0.72 99.57 0.75 0.86
6 B2 932 932 5.26 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5310.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5310.4 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 mPW1PW91/Def2TZVPP
ABC
9.83350 0.41949 0.40232

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.382
Se2 0.000 0.000 0.359
H3 0.000 0.922 -1.953
H4 0.000 -0.922 -1.953

Atom - Atom Distances (Å)
  C1 Se2 H3 H4
C11.74071.08491.0849
Se21.74072.48922.4892
H31.08492.48921.8444
H41.08492.48921.8444

picture of Selenoformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se2 C1 H3 121.782 Se2 C1 H4 121.782
H3 C1 H4 116.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 Se -0.054      
3 H 0.126      
4 H 0.126      


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 -1.556 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.913 0.000 0.000
y 0.000 -25.945 0.000
z 0.000 0.000 -21.065
Traceless
 xyz
x -1.408 0.000 0.000
y 0.000 -2.956 0.000
z 0.000 0.000 4.364
Polar
3z2-r28.728
x2-y21.032
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.917 0.000 0.000
y 0.000 4.489 0.000
z 0.000 0.000 7.721


<r2> (average value of r2) Å2
<r2> 40.141
(<r2>)1/2 6.336