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

using model chemistry: ROHF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at ROHF/3-21G*
 hartrees
Energy at 0K-89.606100
Energy at 298.15K-89.605913
HF Energy-89.606100
Nuclear repulsion energy17.546664
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 ROHF/3-21G*
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 4175 3793 203.20      
2 Σ 1445 1313 115.15      
3 Π 315 286 267.37      
3 Π 315 286 267.37      

Unscaled Zero Point Vibrational Energy (zpe) 3125.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2839.4 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 ROHF/3-21G*
B
1.27719

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.356
Be2 0.000 0.000 -1.036
H3 0.000 0.000 1.301

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39200.9458
Be21.39202.3378
H30.94582.3378

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 ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.838      
2 Be 0.408      
3 H 0.430      


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 1.589 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.467 0.000 0.000
y 0.000 -11.467 0.000
z 0.000 0.000 -11.363
Traceless
 xyz
x -0.052 0.000 0.000
y 0.000 -0.052 0.000
z 0.000 0.000 0.104
Polar
3z2-r20.209
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 14.142
(<r2>)1/2 3.761

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at ROHF/3-21G*
 hartrees
Energy at 0K-89.606660
Energy at 298.15K-89.606487
HF Energy-89.606660
Nuclear repulsion energy17.545783
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 ROHF/3-21G*
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 4172 3790 206.27      
2 Σ 1445 1313 112.73      
3 Π 321 292 266.95      
3 Π 321 292 266.95      

Unscaled Zero Point Vibrational Energy (zpe) 3129.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2843.1 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 ROHF/3-21G*
B
1.27718

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.356
Be2 0.000 0.000 -1.036
H3 0.000 0.000 1.302

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39200.9460
Be21.39202.3379
H30.94602.3379

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 ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.835      
2 Be 0.404      
3 H 0.431      


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 1.605 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.484 0.000 0.000
y 0.000 -11.484 0.000
z 0.000 0.000 -11.340
Traceless
 xyz
x -0.072 0.000 0.000
y 0.000 -0.072 0.000
z 0.000 0.000 0.144
Polar
3z2-r20.288
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 14.145
(<r2>)1/2 3.761