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All results from a given calculation for BeCl2 (Beryllium chloride)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-929.797333
Energy at 298.15K-929.796801
HF Energy-929.514860
Nuclear repulsion energy82.091930
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 CID/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 401 373 0.00      
2 Σu 1171 1089 436.60      
3 Πu 233 217 61.85      
3 Πu 233 217 61.85      

Unscaled Zero Point Vibrational Energy (zpe) 1018.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 948.1 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 CID/3-21G*
B
0.07373

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
Cl2 0.000 0.000 1.808
Cl3 0.000 0.000 -1.808

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.80811.8081
Cl21.80813.6163
Cl31.80813.6163

picture of Beryllium chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Be1 Cl3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability