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

using model chemistry: mPW1PW91/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/cc-pVDZ
 hartrees
Energy at 0K-90.546215
Energy at 298.15K-90.546019
HF Energy-90.546215
Nuclear repulsion energy17.365663
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/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' 4024 3856 148.74 84.54 0.25 0.41
2 A' 1262 1209 87.55 7.18 0.36 0.53
3 A' 342 328 168.99 12.52 0.59 0.74

Unscaled Zero Point Vibrational Energy (zpe) 2813.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2696.6 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 mPW1PW91/cc-pVDZ
ABC
47.09932 1.29681 1.26206

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.381 0.000
Be2 0.050 1.033 0.000
H3 -0.596 -1.084 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41420.9544
Be21.41422.2135
H30.95442.2135

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 137.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.184      
2 Be 0.026      
3 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.099 -0.755 0.000 1.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.934 1.529 0.000
y 1.529 -12.143 0.000
z 0.000 0.000 -11.960
Traceless
 xyz
x 1.118 1.529 0.000
y 1.529 -0.696 0.000
z 0.000 0.000 -0.422
Polar
3z2-r2-0.844
x2-y21.209
xy1.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.546 0.198 0.000
y 0.198 3.767 0.000
z 0.000 0.000 4.228


<r2> (average value of r2) Å2
<r2> 14.286
(<r2>)1/2 3.780

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-90.545449
Energy at 298.15K 
HF Energy-90.545449
Nuclear repulsion energy17.522520
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/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 4126 3954 230.91      
2 Σ 1320 1265 109.96      
3 Π 227i 218i 151.83      
3 Π 227i 218i 151.83      

Unscaled Zero Point Vibrational Energy (zpe) 2495.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2391.8 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/cc-pVDZ
B
1.27412

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

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 -1.038
H3 0.000 0.000 1.304

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39350.9477
Be21.39352.3413
H30.94772.3413

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.171      
2 Be 0.020      
3 H 0.150      


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 1.429 1.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.911 0.000 0.000
y 0.000 -11.911 0.000
z 0.000 0.000 -10.873
Traceless
 xyz
x -0.519 0.000 0.000
y 0.000 -0.519 0.000
z 0.000 0.000 1.038
Polar
3z2-r22.076
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 4.215 0.000 0.000
y 0.000 4.215 0.000
z 0.000 0.000 3.887


<r2> (average value of r2) Å2
<r2> 14.243
(<r2>)1/2 3.774