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All results from a given calculation for NaBe (Sodium Beryllium)

using model chemistry: MP2/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-176.461618
Energy at 298.15K-176.460890
HF Energy-176.433318
Nuclear repulsion energy7.801560
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 MP2/aug-cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 176 167 82.07      

Unscaled Zero Point Vibrational Energy (zpe) 87.9 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 83.5 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 MP2/aug-cc-pVQZ
B
0.29232

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 0.796
Be2 0.000 0.000 -2.189

Atom - Atom Distances (Å)
  Na1 Be2
Na12.9845
Be22.9845

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