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

using model chemistry: TPSSh/6-31G**

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 TPSSh/6-31G**
 hartrees
Energy at 0K-90.565801
Energy at 298.15K-90.565619
HF Energy-90.565801
Nuclear repulsion energy17.380474
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 TPSSh/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3970 3806 106.91 88.69 0.28 0.43
2 A' 1257 1205 82.82 13.46 0.20 0.33
3 A' 358 344 182.75 10.49 0.51 0.68

Unscaled Zero Point Vibrational Energy (zpe) 2792.6 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 2677.3 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 TPSSh/6-31G**
ABC
43.21026 1.30639 1.26805

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.052 -0.382 0.000
Be2 0.052 1.030 0.000
H3 -0.621 -1.064 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41140.9578
Be21.41142.1986
H30.95782.1986

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 135.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.432      
2 Be 0.109      
3 H 0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.163 -0.816 0.000 1.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.015 0.139 0.000
y 0.139 3.497 0.000
z 0.000 0.000 3.712


<r2> (average value of r2) Å2
<r2> 14.013
(<r2>)1/2 3.743

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-90.564985
Energy at 298.15K 
HF Energy-90.564985
Nuclear repulsion energy17.579916
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 TPSSh/6-31G**
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 4086 3917 179.94      
2 Σ 1328 1274 111.17      
3 Π 221i 212i 151.66      
3 Π 221i 212i 151.66      

Unscaled Zero Point Vibrational Energy (zpe) 2486.4 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 2383.7 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 TPSSh/6-31G**
B
1.28555

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.354
Be2 0.000 0.000 -1.033
H3 0.000 0.000 1.303

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38640.9493
Be21.38642.3357
H30.94932.3357

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 TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.396      
2 Be 0.068      
3 H 0.328      


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 1.574 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.691 0.000 0.000
y 0.000 3.691 0.000
z 0.000 0.000 3.572


<r2> (average value of r2) Å2
<r2> 13.928
(<r2>)1/2 3.732