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

using model chemistry: B3PW91/aug-cc-pVDZ

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 B3PW91/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B3PW91/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-166.477220
Energy at 298.15K-166.478550
HF Energy-166.477220
Nuclear repulsion energy48.571479
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 B3PW91/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 3987 3846 21.45      
2 A 714 688 0.62      
3 A 559 539 81.04      
4 A 276 266 27.71      
5 A 192 185 143.22      
6 B 3985 3844 180.58      
7 B 1499 1446 404.96      
8 B 557 537 323.86      
9 B 262 253 61.30      

Unscaled Zero Point Vibrational Energy (zpe) 6015.7 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 5802.7 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 B3PW91/aug-cc-pVDZ
ABC
16.96497 0.22389 0.22347

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.016
O2 0.000 1.440 -0.056
O3 0.000 -1.440 -0.056
H4 0.563 2.054 0.411
H5 -0.563 -2.054 0.411

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.44131.44132.16642.1664
O21.44132.87900.95563.5695
O31.44132.87903.56950.9556
H42.16640.95563.56954.2602
H52.16643.56950.95564.2602

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 128.176 Be1 O3 H5 128.176
O2 Be1 O3 174.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.047      
2 O -0.090      
3 O -0.090      
4 H 0.113      
5 H 0.113      


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 1.648 1.648
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.389 4.482 0.000
y 4.482 -16.044 0.000
z 0.000 0.000 -16.120
Traceless
 xyz
x 0.693 4.482 0.000
y 4.482 -0.289 0.000
z 0.000 0.000 -0.404
Polar
3z2-r2-0.808
x2-y20.655
xy4.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.112 0.072 0.000
y 0.072 4.274 0.000
z 0.000 0.000 3.106


<r2> (average value of r2) Å2
<r2> 52.518
(<r2>)1/2 7.247