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All results from a given calculation for H2CSe (Selenoformaldehyde)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-2440.916472
Energy at 298.15K 
HF Energy-2440.916472
Nuclear repulsion energy82.118501
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/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 3094 2991 18.19 152.10 0.11 0.20
2 A1 1460 1411 3.30 5.74 0.59 0.74
3 A1 888 858 4.11 33.91 0.22 0.36
4 B1 967 935 53.04 0.59 0.75 0.86
5 B2 3190 3084 1.39 99.62 0.75 0.86
6 B2 930 898 5.76 2.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5263.9 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 5088.1 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/cc-pVTZ
ABC
9.84101 0.41401 0.39729

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.392
Se2 0.000 0.000 0.361
H3 0.000 0.922 -1.963
H4 0.000 -0.922 -1.963

Atom - Atom Distances (Å)
  C1 Se2 H3 H4
C11.75301.08441.0844
Se21.75302.50022.5002
H31.08442.50021.8437
H41.08442.50021.8437

picture of Selenoformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se2 C1 H3 121.776 Se2 C1 H4 121.776
H3 C1 H4 116.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.281      
2 Se -0.009      
3 H 0.145      
4 H 0.145      


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 -1.537 1.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.068 0.000 0.000
y 0.000 -26.197 0.000
z 0.000 0.000 -21.334
Traceless
 xyz
x -1.302 0.000 0.000
y 0.000 -2.996 0.000
z 0.000 0.000 4.298
Polar
3z2-r28.597
x2-y21.129
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.439 0.000 0.000
y 0.000 4.116 0.000
z 0.000 0.000 7.641


<r2> (average value of r2) Å2
<r2> 40.578
(<r2>)1/2 6.370