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All results from a given calculation for H2CSe (Selenoformaldehyde)

using model chemistry: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-2440.873449
Energy at 298.15K 
HF Energy-2440.873449
Nuclear repulsion energy82.171217
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 B3LYP/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 3097 2981 17.56 153.31 0.12 0.22
2 A1 1461 1406 3.13 5.25 0.65 0.79
3 A1 888 855 3.78 35.18 0.21 0.35
4 B1 969 933 51.89 0.17 0.75 0.86
5 B2 3194 3074 1.28 104.84 0.75 0.86
6 B2 930 895 5.38 0.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5269.2 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 5072.1 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 B3LYP/Def2TZVPP
ABC
9.84275 0.41458 0.39783

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.391
Se2 0.000 0.000 0.361
H3 0.000 0.922 -1.962
H4 0.000 -0.922 -1.962

Atom - Atom Distances (Å)
  C1 Se2 H3 H4
C11.75161.08451.0845
Se21.75162.49922.4992
H31.08452.49921.8436
H41.08452.49921.8436

picture of Selenoformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se2 C1 H3 121.794 Se2 C1 H4 121.794
H3 C1 H4 116.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 Se -0.035      
3 H 0.140      
4 H 0.140      


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 -1.528 1.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.098 0.000 0.000
y 0.000 -26.204 0.000
z 0.000 0.000 -21.345
Traceless
 xyz
x -1.324 0.000 0.000
y 0.000 -2.982 0.000
z 0.000 0.000 4.305
Polar
3z2-r28.611
x2-y21.106
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.905 0.000 0.000
y 0.000 4.504 0.000
z 0.000 0.000 7.830


<r2> (average value of r2) Å2
<r2> 40.556
(<r2>)1/2 6.368