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

using model chemistry: B3PW91/3-21G*

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 B3PW91/3-21G*
 hartrees
Energy at 0K-90.033795
Energy at 298.15K-90.033411
HF Energy-90.033795
Nuclear repulsion energy17.397017
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 B3PW91/3-21G*
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 3740 175.83      
2 Σ 1394 1338 66.34      
3 Π 239 229 211.76      
3 Π 239 229 211.80      

Unscaled Zero Point Vibrational Energy (zpe) 2885.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2767.9 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 B3PW91/3-21G*
B
1.26220

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.356
Be2 0.000 0.000 -1.042
H3 0.000 0.000 1.321

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39810.9646
Be21.39812.3626
H30.96462.3626

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 B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.664      
2 Be 0.257      
3 H 0.407      


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 2.040 2.040
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.817 0.000 0.000
y 0.000 -11.817 0.000
z 0.000 0.000 -11.174
Traceless
 xyz
x -0.321 0.000 0.000
y 0.000 -0.321 0.000
z 0.000 0.000 0.643
Polar
3z2-r21.285
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 3.523 -0.000 -0.000
y -0.000 3.523 -0.001
z -0.000 -0.001 3.507


<r2> (average value of r2) Å2
<r2> 14.348
(<r2>)1/2 3.788

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-90.033795
Energy at 298.15K-90.033411
HF Energy-90.033795
Nuclear repulsion energy17.397017
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 B3PW91/3-21G*
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 3898 3740 176.73      
2 Σ 1394 1338 66.28      
3 Π 239 229 211.80      
3 Π 239 229 211.80      

Unscaled Zero Point Vibrational Energy (zpe) 2884.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2767.7 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 B3PW91/3-21G*
B
1.26220

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.356
Be2 0.000 0.000 -1.042
H3 0.000 0.000 1.321

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39810.9646
Be21.39812.3626
H30.96462.3626

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 B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.664      
2 Be 0.257      
3 H 0.407      


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 2.040 2.040
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.817 0.000 0.000
y 0.000 -11.817 0.000
z 0.000 0.000 -11.174
Traceless
 xyz
x -0.321 0.000 0.000
y 0.000 -0.321 0.000
z 0.000 0.000 0.643
Polar
3z2-r21.285
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 3.524 0.000 0.000
y 0.000 3.524 0.000
z 0.000 0.000 3.506


<r2> (average value of r2) Å2
<r2> 14.348
(<r2>)1/2 3.788