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

using model chemistry: B3PW91/6-31G

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 B3PW91/6-31G
 hartrees
Energy at 0K-90.508082
Energy at 298.15K-90.507808
HF Energy-90.508082
Nuclear repulsion energy17.431505
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 B3PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 4055 3884 159.90      
2 Σ 1298 1243 106.36      
3 Π 283 271 236.93      
3 Π 283 271 236.99      

Unscaled Zero Point Vibrational Energy (zpe) 2959.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2833.9 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 B3PW91/6-31G
B
1.25947

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.358
Be2 0.000 0.000 -1.044
H3 0.000 0.000 1.309

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40210.9504
Be21.40212.3525
H30.95042.3525

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 B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.748      
2 Be 0.340      
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 1.470 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.531 0.000 0.000
y 0.000 -11.531 0.000
z 0.000 0.000 -10.342
Traceless
 xyz
x -0.595 0.000 0.000
y 0.000 -0.595 0.000
z 0.000 0.000 1.189
Polar
3z2-r22.379
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 3.440 0.000 -0.000
y 0.000 3.440 0.000
z -0.000 0.000 3.422


<r2> (average value of r2) Å2
<r2> 14.052
(<r2>)1/2 3.749

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-90.508082
Energy at 298.15K-90.507808
HF Energy-90.508082
Nuclear repulsion energy17.430210
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 B3PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 4055 3884 159.94      
2 Σ 1297 1243 106.38      
3 Π 282 270 237.00      
3 Π 282 270 237.00      

Unscaled Zero Point Vibrational Energy (zpe) 2958.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2833.3 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 B3PW91/6-31G
B
1.25924

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.358
Be2 0.000 0.000 -1.044
H3 0.000 0.000 1.309

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40220.9504
Be21.40222.3527
H30.95042.3527

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 B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.748      
2 Be 0.340      
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 1.470 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.531 0.000 0.000
y 0.000 -11.531 0.000
z 0.000 0.000 -10.341
Traceless
 xyz
x -0.595 0.000 0.000
y 0.000 -0.595 0.000
z 0.000 0.000 1.190
Polar
3z2-r22.380
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 3.440 0.000 0.000
y 0.000 3.440 0.000
z 0.000 0.000 3.422


<r2> (average value of r2) Å2
<r2> 14.053
(<r2>)1/2 3.749