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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-90.556500
Energy at 298.15K-90.556364
HF Energy-90.556500
Nuclear repulsion energy17.310136
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-pVDZ
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' 4029 3861 121.12      
2 A' 1222 1171 120.20      
3 A' 402 385 165.48      

Unscaled Zero Point Vibrational Energy (zpe) 2826.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2708.4 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 mPW1PW91/aug-cc-pVDZ
ABC
43.46134 1.28904 1.25191

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.052 -0.385 0.000
Be2 0.052 1.037 0.000
H3 -0.619 -1.063 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42220.9529
Be21.42222.2039
H30.95292.2039

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 135.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.016      
2 Be -0.120      
3 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.071 -0.385 0.000 1.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.020 1.612 0.000
y 1.612 -12.428 0.000
z 0.000 0.000 -12.178
Traceless
 xyz
x 1.283 1.612 0.000
y 1.612 -0.829 0.000
z 0.000 0.000 -0.454
Polar
3z2-r2-0.908
x2-y21.407
xy1.612
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.311 0.076 0.000
y 0.076 4.475 -0.000
z 0.000 -0.000 5.041


<r2> (average value of r2) Å2
<r2> 14.449
(<r2>)1/2 3.801

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-90.555087
Energy at 298.15K 
HF Energy-90.555087
Nuclear repulsion energy17.495228
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-pVDZ
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 4131 3959 198.05      
2 Σ 1282 1229 167.00      
3 Π 316i 303i 140.66      
3 Π 316i 303i 140.78      

Unscaled Zero Point Vibrational Energy (zpe) 2390.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2290.8 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-pVDZ
B
1.26815

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.040
H3 0.000 0.000 1.303

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39750.9461
Be21.39752.3436
H30.94612.3436

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-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.155      
2 Be -0.228      
3 H 0.073      


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 1.117 1.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.123 0.000 0.000
y 0.000 -12.123 0.000
z 0.000 0.000 -11.001
Traceless
 xyz
x -0.561 0.000 0.000
y 0.000 -0.561 0.000
z 0.000 0.000 1.122
Polar
3z2-r22.244
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 5.044 0.000 0.002
y 0.000 5.044 0.000
z 0.002 0.000 4.602


<r2> (average value of r2) Å2
<r2> 14.386
(<r2>)1/2 3.793