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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-90.559618
Energy at 298.15K-90.559389
HF Energy-90.559618
Nuclear repulsion energy17.361842
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' 3912 3753 104.20      
2 A' 1257 1206 83.71      
3 A' 319 306 190.09      

Unscaled Zero Point Vibrational Energy (zpe) 2743.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2632.3 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
45.21513 1.30243 1.26596

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 0.051 -0.380 0.000
Be2 0.051 1.030 0.000
H3 -0.608 -1.079 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41000.9604
Be21.41002.2097
H30.96042.2097

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 136.732
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 -0.524      
2 Be 0.113      
3 H 0.412      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.164 -0.859 0.000 1.447
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 3.997 0.126 0.000
y 0.126 3.491 0.000
z 0.000 0.000 3.706


<r2> (average value of r2) Å2
<r2> 14.030
(<r2>)1/2 3.746

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-90.558955
Energy at 298.15K 
HF Energy-90.558955
Nuclear repulsion energy17.561087
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 4034 3871 168.83      
2 Σ 1330 1276 113.00      
3 Π 186i 179i 157.02      
3 Π 186i 179i 157.02      

Unscaled Zero Point Vibrational Energy (zpe) 2496.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2394.7 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
1.28404

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 0.353
Be2 0.000 0.000 -1.033
H3 0.000 0.000 1.306

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38680.9523
Be21.38682.3391
H30.95232.3391

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 -0.484      
2 Be 0.073      
3 H 0.411      


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 1.596 1.596
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 3.682 0.000 0.000
y 0.000 3.682 0.000
z 0.000 0.000 3.552


<r2> (average value of r2) Å2
<r2> 13.938
(<r2>)1/2 3.733