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

using model chemistry: mPW1PW91/aug-cc-pVTZ

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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-90.583178
Energy at 298.15K-90.582987
HF Energy-90.583178
Nuclear repulsion energy17.535116
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 mPW1PW91/aug-cc-pVTZ
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' 4050 3880 135.85 106.47 0.18 0.30
2 A' 1279 1226 126.24 3.70 0.68 0.81
3 A' 345 330 166.17 4.93 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 2836.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 2717.8 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 mPW1PW91/aug-cc-pVTZ
ABC
53.82599 1.31923 1.28767

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.047 -0.374 0.000
Be2 0.047 1.024 0.000
H3 -0.559 -1.104 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39770.9485
Be21.39772.2122
H30.94852.2122

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 140.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.287      
2 Be 0.191      
3 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.990 -0.599 0.000 1.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.143 1.540 0.000
y 1.540 -12.320 0.000
z 0.000 0.000 -12.081
Traceless
 xyz
x 1.058 1.540 0.000
y 1.540 -0.708 0.000
z 0.000 0.000 -0.350
Polar
3z2-r2-0.700
x2-y21.177
xy1.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.416 0.062 0.000
y 0.062 4.497 0.000
z 0.000 0.000 5.198


<r2> (average value of r2) Å2
<r2> 14.269
(<r2>)1/2 3.777

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-90.582489
Energy at 298.15K 
HF Energy-90.582489
Nuclear repulsion energy17.694946
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 mPW1PW91/aug-cc-pVTZ
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 4127 3954 198.13      
2 Σ 1326 1271 162.23      
3 Π 232i 222i 140.58      
3 Π 232i 222i 140.58      

Unscaled Zero Point Vibrational Energy (zpe) 2494.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 2390.1 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 mPW1PW91/aug-cc-pVTZ
B
1.30258

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

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 -1.026
H3 0.000 0.000 1.295

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37720.9434
Be21.37722.3206
H30.94342.3206

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 mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.313      
2 Be 0.166      
3 H 0.146      


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 1.201 1.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.056 0.000 0.000
y 0.000 -12.056 0.000
z 0.000 0.000 -11.145
Traceless
 xyz
x -0.455 0.000 0.000
y 0.000 -0.455 0.000
z 0.000 0.000 0.911
Polar
3z2-r21.821
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 5.239 0.000 0.000
y 0.000 5.239 0.000
z 0.000 0.000 4.583


<r2> (average value of r2) Å2
<r2> 14.214
(<r2>)1/2 3.770