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

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-89.960330
Energy at 298.15K-89.960021
HF Energy-89.960330
Nuclear repulsion energy17.425225
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 PBE1PBE/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 A' 3917 3762 182.06 123.66 0.37 0.54
2 A' 1407 1352 67.07 14.44 0.28 0.44
3 A' 244 234 213.75 3.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2784.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 2674.0 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 PBE1PBE/3-21G
B
1.26670

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 -0.355 0.000
Be2 0.000 1.040 0.000
H3 -0.002 -1.319 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39540.9637
Be21.39542.3591
H30.96372.3591

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 179.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.672      
2 Be 0.262      
3 H 0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.004 -2.028 0.000 2.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.824 0.006 0.000
y 0.006 -11.159 0.000
z 0.000 0.000 -11.824
Traceless
 xyz
x -0.333 0.006 0.000
y 0.006 0.665 0.000
z 0.000 0.000 -0.333
Polar
3z2-r2-0.665
x2-y2-0.665
xy0.006
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.522 0.001 0.000
y 0.001 3.496 0.000
z 0.000 0.000 3.522


<r2> (average value of r2) Å2
<r2> 14.324
(<r2>)1/2 3.785

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-89.960330
Energy at 298.15K-89.959975
HF Energy-89.960330
Nuclear repulsion energy17.419606
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 PBE1PBE/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 3913 3758 181.93      
2 Σ 1407 1351 67.12      
3 Π 248 238 214.00      
3 Π 248 238 214.00      

Unscaled Zero Point Vibrational Energy (zpe) 2907.8 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 2792.6 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 PBE1PBE/3-21G
B
1.26588

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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
O11.39590.9640
Be21.39592.3599
H30.96402.3599

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 PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.672      
2 Be 0.263      
3 H 0.410      


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 2.027 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.825 0.000 0.000
y 0.000 -11.825 0.000
z 0.000 0.000 -11.157
Traceless
 xyz
x -0.334 0.000 0.000
y 0.000 -0.334 0.000
z 0.000 0.000 0.668
Polar
3z2-r21.336
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 3.521 0.000 0.000
y 0.000 3.521 0.000
z 0.000 0.000 3.498


<r2> (average value of r2) Å2
<r2> 14.328
(<r2>)1/2 3.785