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

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-89.200581
Energy at 298.15K 
HF Energy-89.174996
Nuclear repulsion energy18.060627
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 B2PLYP/STO-3G
Rotational Constants (cm-1) from geometry optimized at B2PLYP/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-89.200584
Energy at 298.15K-89.200554
HF Energy-89.174995
Nuclear repulsion energy18.057421
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 B2PLYP/STO-3G
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 4168 4168 76.63      
2 Σ 1639 1639 26.39      
3 Π 428 428 89.82      
3 Π 428 428 89.82      

Unscaled Zero Point Vibrational Energy (zpe) 3330.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3330.7 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 B2PLYP/STO-3G
B
1.39531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.330
Be2 0.000 0.000 -0.988
H3 0.000 0.000 1.316

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.31790.9869
Be21.31792.3047
H30.98692.3047

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 B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.294      
2 Be 0.036      
3 H 0.258      


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 2.502 2.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.043 0.000 0.000
y 0.000 -10.043 0.000
z 0.000 0.000 -9.644
Traceless
 xyz
x -0.200 0.000 0.000
y 0.000 -0.200 0.000
z 0.000 0.000 0.399
Polar
3z2-r20.798
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 1.439 0.000 0.000
y 0.000 1.439 0.000
z 0.000 0.000 2.159


<r2> (average value of r2) Å2
<r2> 12.699
(<r2>)1/2 3.564