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

using model chemistry: B2PLYP/6-311G**

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 B2PLYP/6-311G**
 hartrees
Energy at 0K-90.516370
Energy at 298.15K-90.516108
HF Energy-90.441543
Nuclear repulsion energy17.522200
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/6-311G**
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' 4049 4049 153.87      
2 A' 1284 1284 93.83      
3 A' 285 285 194.67      

Unscaled Zero Point Vibrational Energy (zpe) 2808.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2808.3 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 B2PLYP/6-311G**
ABC
56.84452 1.31588 1.28611

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.045 -0.373 0.000
Be2 0.045 1.025 0.000
H3 -0.545 -1.118 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39760.9506
Be21.39762.2226
H30.95062.2226

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 141.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.570      
2 Be 0.293      
3 H 0.277      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.534 0.190 0.000
y 0.190 3.911 0.000
z 0.000 0.000 4.276


<r2> (average value of r2) Å2
<r2> 14.199
(<r2>)1/2 3.768

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-90.515972
Energy at 298.15K 
HF Energy-90.441241
Nuclear repulsion energy17.675790
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/6-311G**
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 4128 4128 225.48      
2 Σ 1330 1330 113.44      
3 Π 173i 173i 174.41      
3 Π 173i 173i 174.41      

Unscaled Zero Point Vibrational Energy (zpe) 2555.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2555.6 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/6-311G**
B
1.30066

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.351
Be2 0.000 0.000 -1.027
H3 0.000 0.000 1.297

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37800.9458
Be21.37802.3238
H30.94582.3238

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/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.536      
2 Be 0.272      
3 H 0.264      


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 1.513 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.040 0.000 0.000
y 0.000 -12.040 0.000
z 0.000 0.000 -11.222
Traceless
 xyz
x -0.409 0.000 0.000
y 0.000 -0.409 0.000
z 0.000 0.000 0.818
Polar
3z2-r21.636
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 4.276 0.000 0.000
y 0.000 4.276 0.000
z 0.000 0.000 4.016


<r2> (average value of r2) Å2
<r2> 14.236
(<r2>)1/2 3.773