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

using model chemistry: HF/CEP-31G

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 HF/CEP-31G
 hartrees
Energy at 0K-17.297228
Energy at 298.15K-17.297169
HF Energy-17.297228
Nuclear repulsion energy8.356546
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 HF/CEP-31G
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 4403 3969 211.62      
2 Σ 1284 1157 156.49      
3 Π 378 341 281.56      
3 Π 378 341 281.56      

Unscaled Zero Point Vibrational Energy (zpe) 3221.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 2903.7 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 HF/CEP-31G
B
1.25922

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.208
Be2 0.000 0.000 -1.196
H3 0.000 0.000 1.146

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40420.9387
Be21.40422.3428
H30.93872.3428

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.721      
2 Be 0.317      
3 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.061 1.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.790 0.000 0.000
y 0.000 -11.790 0.000
z 0.000 0.000 -11.318
Traceless
 xyz
x -0.236 0.000 0.000
y 0.000 -0.236 0.000
z 0.000 0.000 0.472
Polar
3z2-r20.945
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.773 0.000 0.000
y 0.000 3.773 0.000
z 0.000 0.000 3.099


<r2> (average value of r2) Å2
<r2> 11.702
(<r2>)1/2 3.421

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-17.297228
Energy at 298.15K-17.297169
HF Energy-17.297228
Nuclear repulsion energy8.356546
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 HF/CEP-31G
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 4403 3969 211.62      
2 Σ 1284 1157 156.49      
3 Π 378 341 281.56      
3 Π 378 341 281.56      

Unscaled Zero Point Vibrational Energy (zpe) 3221.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 2903.7 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 HF/CEP-31G
B
1.25922

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.360
Be2 0.000 0.000 -1.044
H3 0.000 0.000 1.299

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40420.9387
Be21.40422.3428
H30.93872.3428

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
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.721      
2 Be 0.317      
3 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.061 1.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.790 0.000 0.000
y 0.000 -11.790 0.000
z 0.000 0.000 -10.995
Traceless
 xyz
x -0.398 0.000 0.000
y 0.000 -0.398 0.000
z 0.000 0.000 0.795
Polar
3z2-r21.590
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.773 0.000 0.000
y 0.000 3.773 0.000
z 0.000 0.000 3.099


<r2> (average value of r2) Å2
<r2> 11.843
(<r2>)1/2 3.441