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All results from a given calculation for Be(OH)2 (Beryllium hydroxide)

using model chemistry: B1B95/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at B1B95/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B1B95/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-166.531432
Energy at 298.15K-166.532855
HF Energy-166.531432
Nuclear repulsion energy49.089261
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 B1B95/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 4026 3859 25.90      
2 A 745 714 1.72      
3 A 534 512 96.44      
4 A 318 305 33.26      
5 A 194 186 128.12      
6 B 4025 3858 200.87      
7 B 1538 1474 430.32      
8 B 530 508 330.85      
9 B 311 298 71.80      

Unscaled Zero Point Vibrational Energy (zpe) 6110.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 5857.1 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 B1B95/aug-cc-pVTZ
ABC
18.66824 0.22863 0.22834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.001
O2 0.000 1.422 -0.051
O3 0.000 -1.422 -0.051
H4 0.529 2.062 0.409
H5 -0.529 -2.062 0.409

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42301.42302.16772.1677
O21.42302.84420.94913.5536
O31.42302.84423.55360.9491
H42.16770.94913.55364.2569
H52.16773.55360.94914.2569

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 131.038 Be1 O3 H5 131.038
O2 Be1 O3 176.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.541      
2 O -0.408      
3 O -0.408      
4 H 0.137      
5 H 0.137      


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 1.566 1.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.356 4.313 0.000
y 4.313 -15.677 0.000
z 0.000 0.000 -15.902
Traceless
 xyz
x 0.433 4.313 0.000
y 4.313 -0.048 0.000
z 0.000 0.000 -0.385
Polar
3z2-r2-0.771
x2-y20.320
xy4.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.132 0.055 0.000
y 0.055 4.170 0.000
z 0.000 0.000 3.126


<r2> (average value of r2) Å2
<r2> 51.566
(<r2>)1/2 7.181