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

using model chemistry: B1B95/3-21G*

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 B1B95/3-21G*
 hartrees
Energy at 0K-90.033964
Energy at 298.15K-90.033629
HF Energy-90.033964
Nuclear repulsion energy17.421794
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 B1B95/3-21G*
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 3899 3723 173.39      
2 Σ 1410 1347 67.52      
3 Π 257 245 213.34      
3 Π 257 245 213.34      

Unscaled Zero Point Vibrational Energy (zpe) 2911.4 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2780.1 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 B1B95/3-21G*
B
1.26591

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.355
Be2 0.000 0.000 -1.041
H3 0.000 0.000 1.319

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39600.9634
Be21.39602.3594
H30.96342.3594

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
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.660      
2 Be 0.256      
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 1.992 1.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.792 0.000 0.000
y 0.000 -11.792 0.000
z 0.000 0.000 -11.042
Traceless
 xyz
x -0.375 0.000 0.000
y 0.000 -0.375 0.000
z 0.000 0.000 0.750
Polar
3z2-r21.500
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 3.464 0.000 0.000
y 0.000 3.464 0.000
z 0.000 0.000 3.514


<r2> (average value of r2) Å2
<r2> 14.290
(<r2>)1/2 3.780

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-90.032930
Energy at 298.15K-90.032624
HF Energy-90.032930
Nuclear repulsion energy17.433617
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 B1B95/3-21G*
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 3914 3737 177.10      
2 Σ 1414 1350 69.54      
3 Π 268 256 216.06      
3 Π 268 256 216.06      

Unscaled Zero Point Vibrational Energy (zpe) 2931.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2799.3 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 B1B95/3-21G*
B
1.26738

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.355
Be2 0.000 0.000 -1.040
H3 0.000 0.000 1.318

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39520.9623
Be21.39522.3576
H30.96232.3576

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 B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.669      
2 Be 0.263      
3 H 0.406      


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 1.971 1.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.770 0.000 0.000
y 0.000 -11.770 0.000
z 0.000 0.000 -11.034
Traceless
 xyz
x -0.368 0.000 0.000
y 0.000 -0.368 0.000
z 0.000 0.000 0.737
Polar
3z2-r21.473
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 3.456 0.000 0.000
y 0.000 3.456 0.000
z 0.000 0.000 3.483


<r2> (average value of r2) Å2
<r2> 14.270
(<r2>)1/2 3.778