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

using model chemistry: B3PW91/6-311G**

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 B3PW91/6-311G**
 hartrees
Energy at 0K-90.559405
Energy at 298.15K-90.559148
HF Energy-90.559405
Nuclear repulsion energy17.530280
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 B3PW91/6-311G**
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' 4057 3907 151.55      
2 A' 1281 1233 101.51      
3 A' 289 278 188.39      

Unscaled Zero Point Vibrational Energy (zpe) 2813.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 2709.3 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 B3PW91/6-311G**
ABC
61.88245 1.31367 1.28636

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.044 -0.371 0.000
Be2 0.044 1.025 0.000
H3 -0.523 -1.134 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39650.9500
Be21.39652.2322
H30.95002.2322

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 143.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.527      
2 Be 0.252      
3 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.049 -0.917 0.000 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.154 1.505 0.000
y 1.505 -11.984 0.000
z 0.000 0.000 -11.978
Traceless
 xyz
x 0.827 1.505 0.000
y 1.505 -0.418 0.000
z 0.000 0.000 -0.409
Polar
3z2-r2-0.819
x2-y20.830
xy1.505
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.565 0.177 0.000
y 0.177 3.922 0.000
z 0.000 0.000 4.331


<r2> (average value of r2) Å2
<r2> 14.200
(<r2>)1/2 3.768

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-90.558996
Energy at 298.15K 
HF Energy-90.558996
Nuclear repulsion energy17.665528
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 B3PW91/6-311G**
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 4130 3977 212.51      
2 Σ 1322 1273 121.37      
3 Π 192i 184i 171.61      
3 Π 192i 184i 171.61      

Unscaled Zero Point Vibrational Energy (zpe) 2534.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 2440.6 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 B3PW91/6-311G**
B
1.29870

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.352
Be2 0.000 0.000 -1.028
H3 0.000 0.000 1.297

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37920.9457
Be21.37922.3248
H30.94572.3248

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 B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.545      
2 Be 0.277      
3 H 0.268      


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 1.457 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.949 0.000 0.000
y 0.000 -11.949 0.000
z 0.000 0.000 -10.979
Traceless
 xyz
x -0.485 0.000 0.000
y 0.000 -0.485 0.000
z 0.000 0.000 0.970
Polar
3z2-r21.941
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 4.329 0.000 0.000
y 0.000 4.329 0.000
z 0.000 0.000 4.016


<r2> (average value of r2) Å2
<r2> 14.157
(<r2>)1/2 3.763