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All results from a given calculation for H2Se (Hydrogen selenide)

using model chemistry: CCSD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-2401.150999
Energy at 298.15K-2401.150407
HF Energy-2400.974579
Nuclear repulsion energy24.708342
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 CCSD/aug-cc-pVDZ
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 2466 2376 12.04      
2 A1 1073 1034 4.69      
3 B2 2482 2391 13.36      

Unscaled Zero Point Vibrational Energy (zpe) 3010.6 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 2900.5 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 CCSD/aug-cc-pVDZ
ABC
8.14927 7.51740 3.91030

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.057
H2 0.000 1.055 -0.969
H3 0.000 -1.055 -0.969

Atom - Atom Distances (Å)
  Se1 H2 H3
Se11.47131.4713
H21.47132.1095
H31.47132.1095

picture of Hydrogen selenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Se1 H3 91.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability