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All results from a given calculation for PSe (Phosphorus monoselenide)

using model chemistry: QCISD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-2740.818809
Energy at 298.15K-2740.817330
HF Energy-2740.553627
Nuclear repulsion energy130.092260
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 QCISD(T)/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
Σ 563 550        

Unscaled Zero Point Vibrational Energy (zpe) 281.2 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 275.0 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 QCISD(T)/aug-cc-pVDZ
B
0.17549

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 -1.439
Se2 0.000 0.000 0.635

Atom - Atom Distances (Å)
  P1 Se2
P12.0745
Se22.0745

picture of Phosphorus monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability