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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-17.657604
Energy at 298.15K-17.657535
HF Energy-17.657604
Nuclear repulsion energy8.219006
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 B3LYP/CEP-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' 3900 3766 75.73      
2 A' 1206 1165 94.63      
3 A' 487 471 176.04      

Unscaled Zero Point Vibrational Energy (zpe) 2796.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 2700.7 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 B3LYP/CEP-31G*
ABC
31.45807 1.30224 1.25047

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.268 0.000
Be2 -0.462 -1.083 0.000
H3 0.924 0.558 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42740.9688
Be21.42742.1478
H30.96882.1478

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 126.293
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.362      
2 Be -0.008      
3 H 0.370      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.357 -0.166 0.000 1.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.745 0.663 0.000
y 0.663 -13.416 0.000
z 0.000 0.000 -12.064
Traceless
 xyz
x 2.994 0.663 0.000
y 0.663 -2.511 0.000
z 0.000 0.000 -0.483
Polar
3z2-r2-0.967
x2-y23.670
xy0.663
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.846 -0.119 -0.001
y -0.119 3.867 -0.003
z -0.001 -0.003 4.396


<r2> (average value of r2) Å2
<r2> 11.701
(<r2>)1/2 3.421

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-17.654887
Energy at 298.15K 
HF Energy-17.654887
Nuclear repulsion energy8.293051
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 B3LYP/CEP-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 4062 3922 178.05      
2 Σ 1269 1226 139.00      
3 Π 346i 335i 182.86      
3 Π 346i 335i 182.86      

Unscaled Zero Point Vibrational Energy (zpe) 2319.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 2239.4 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 B3LYP/CEP-31G*
B
1.26018

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.043
H3 0.000 0.000 1.316

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40020.9595
Be21.40022.3596
H30.95952.3596

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 B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.411      
2 Be 0.011      
3 H 0.400      


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 1.349 1.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.990 0.000 0.000
y 0.000 -11.990 0.000
z 0.000 0.000 -10.400
Traceless
 xyz
x -0.795 0.000 0.000
y 0.000 -0.795 0.000
z 0.000 0.000 1.590
Polar
3z2-r23.180
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 4.397 0.000 0.000
y 0.000 4.397 0.000
z 0.000 0.000 4.113


<r2> (average value of r2) Å2
<r2> 11.832
(<r2>)1/2 3.440