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All results from a given calculation for P4 (Phosphorus tetramer)

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-1363.502264
Energy at 298.15K-1363.504742
Nuclear repulsion energy317.410495
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(T)/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 592 579        
2 E 351 344        
2 E 351 344        
3 T2 444 434        
3 T2 444 434        
3 T2 444 434        

Unscaled Zero Point Vibrational Energy (zpe) 1312.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1284.9 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(T)/cc-pVDZ
ABC
0.10746 0.10746 0.10746

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

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.796 0.796 0.796
P2 -0.796 -0.796 0.796
P3 -0.796 0.796 -0.796
P4 0.796 -0.796 -0.796

Atom - Atom Distances (Å)
  P1 P2 P3 P4
P12.25052.25052.2505
P22.25052.25052.2505
P32.25052.25052.2505
P42.25052.25052.2505

picture of Phosphorus tetramer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 P2 P3 60.000 P1 P2 P4 60.000
P1 P3 P2 60.000 P1 P3 P4 60.000
P1 P4 P2 60.000 P1 P4 P3 60.000
P2 P1 P3 60.000 P2 P1 P4 60.000
P2 P3 P4 60.000 P2 P4 P3 60.000
P3 P1 P4 60.000 P3 P2 P4 60.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability