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

using model chemistry: B1B95/6-31G*

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 B1B95/6-31G*
 hartrees
Energy at 0K-90.524562
Energy at 298.15K-90.524320
HF Energy-90.524562
Nuclear repulsion energy17.441346
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 B1B95/6-31G*
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' 3994 3791 118.85      
2 A' 1272 1208 98.35      
3 A' 306 290 198.79      

Unscaled Zero Point Vibrational Energy (zpe) 2785.9 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 2644.7 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 B1B95/6-31G*
ABC
45.37989 1.31338 1.27644

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.051 -0.379 0.000
Be2 0.051 1.027 0.000
H3 -0.607 -1.072 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40600.9545
Be21.40602.1988
H30.95452.1988

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 136.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.536      
2 Be 0.121      
3 H 0.415      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.185 -0.735 0.000 1.395
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.427 1.618 0.000
y 1.618 -11.604 0.000
z 0.000 0.000 -11.536
Traceless
 xyz
x 1.142 1.618 0.000
y 1.618 -0.622 0.000
z 0.000 0.000 -0.520
Polar
3z2-r2-1.041
x2-y21.176
xy1.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.840 0.156 0.000
y 0.156 3.350 0.000
z 0.000 0.000 3.553


<r2> (average value of r2) Å2
<r2> 13.903
(<r2>)1/2 3.729

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-90.524124
Energy at 298.15K 
HF Energy-90.524124
Nuclear repulsion energy17.629383
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 B1B95/6-31G*
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 4111 3903 189.23      
2 Σ 1353 1285 128.17      
3 Π 121i 115i 164.43      
3 Π 122i 116i 164.51      

Unscaled Zero Point Vibrational Energy (zpe) 2610.7 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 2478.4 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 B1B95/6-31G*
B
1.29282

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.353
Be2 0.000 0.000 -1.030
H3 0.000 0.000 1.299

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38250.9467
Be21.38252.3292
H30.94672.3292

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 B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.493      
2 Be 0.080      
3 H 0.413      


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 1.483 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.471 0.000 0.000
y 0.000 -11.471 0.000
z 0.000 0.000 -10.185
Traceless
 xyz
x -0.643 0.000 0.000
y 0.000 -0.643 0.000
z 0.000 0.000 1.286
Polar
3z2-r22.573
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 3.547 0.000 0.000
y 0.000 3.549 0.000
z 0.000 0.000 3.418


<r2> (average value of r2) Å2
<r2> 13.822
(<r2>)1/2 3.718