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

using model chemistry: PBEPBE/6-31G(2df,p)

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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-90.460296
Energy at 298.15K-90.460118
HF Energy-90.460296
Nuclear repulsion energy17.409787
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 PBEPBE/6-31G(2df,p)
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' 3911 3870 111.02      
2 A' 1267 1254 73.08      
3 A' 360 356 157.25      

Unscaled Zero Point Vibrational Energy (zpe) 2768.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2740.2 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 PBEPBE/6-31G(2df,p)
ABC
45.13121 1.31109 1.27407

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

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 -0.609 -1.077 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40660.9597
Be21.40662.2049
H30.95972.2049

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 136.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.092      
2 Be -0.212      
3 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.044 -0.852 0.000 1.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.634 1.481 0.000
y 1.481 -11.730 0.000
z 0.000 0.000 -11.715
Traceless
 xyz
x 1.089 1.481 0.000
y 1.481 -0.556 0.000
z 0.000 0.000 -0.533
Polar
3z2-r2-1.066
x2-y21.097
xy1.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.277 0.129 0.000
y 0.129 3.741 0.000
z 0.000 0.000 4.016


<r2> (average value of r2) Å2
<r2> 14.028
(<r2>)1/2 3.745

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-90.459344
Energy at 298.15K 
HF Energy-90.459344
Nuclear repulsion energy17.601465
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 PBEPBE/6-31G(2df,p)
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 4007 3966 175.84      
2 Σ 1324 1310 100.61      
3 Π 244i 241i 128.07      
3 Π 244i 241i 128.07      

Unscaled Zero Point Vibrational Energy (zpe) 2421.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2396.9 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 PBEPBE/6-31G(2df,p)
B
1.29163

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.352
Be2 0.000 0.000 -1.030
H3 0.000 0.000 1.305

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38220.9527
Be21.38222.3349
H30.95272.3349

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 PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.031      
2 Be -0.287      
3 H 0.319      


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 1.539 1.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.664 0.000 0.000
y 0.000 -11.664 0.000
z 0.000 0.000 -10.416
Traceless
 xyz
x -0.624 0.000 0.000
y 0.000 -0.624 0.000
z 0.000 0.000 1.248
Polar
3z2-r22.495
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 4.021 0.000 0.000
y 0.000 4.021 0.000
z 0.000 0.000 3.836


<r2> (average value of r2) Å2
<r2> 13.964
(<r2>)1/2 3.737