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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-89.750407
Energy at 298.15K-89.750057
HF Energy-89.605984
Nuclear repulsion energy17.320819
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 MP4/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3830 3715 0.00      
2 Σ 1398 1355 0.00      
3 Π 250 243 0.00      
3 Π 250 243 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2863.9 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 2777.4 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 MP4/3-21G
B
1.25136

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.047
H3 0.000 0.000 1.327

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40400.9692
Be21.40402.3732
H30.96922.3732

picture of beryllium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-89.750407
Energy at 298.15K-89.750056
HF Energy-89.605977
Nuclear repulsion energy17.322556
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 MP4/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3831 3715        
2 Σ 1399 1357        
3 Π 250 242        
3 Π 249 242        

Unscaled Zero Point Vibrational Energy (zpe) 2864.4 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 2777.9 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 MP4/3-21G
B
1.25194

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.046
H3 0.000 0.000 1.326

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40370.9691
Be21.40372.3728
H30.96912.3728

picture of beryllium monohydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability