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

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A
1 3 no D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-165.635888
Energy at 298.15K-165.637354
HF Energy-165.635888
Nuclear repulsion energy49.247229
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 HF/6-31G*
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 4214 3786 39.39      
2 A 766 689 4.04      
3 A 570 512 131.94      
4 A 321 288 76.21      
5 A 205 184 155.46      
6 B 4211 3784 193.07      
7 B 1592 1430 438.23      
8 B 570 512 455.98      
9 B 304 273 125.99      

Unscaled Zero Point Vibrational Energy (zpe) 6376.0 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 5728.8 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 HF/6-31G*
ABC
16.59384 0.23001 0.22971

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.044
O2 0.000 1.422 0.044
O3 0.000 -1.422 0.044
H4 -0.557 2.002 -0.445
H5 0.557 -2.002 -0.445

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42201.42202.13472.1347
O21.42202.84400.94133.5031
O31.42202.84403.50310.9413
H42.13470.94133.50314.1558
H52.13473.50310.94134.1558

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 128.018 Be1 O3 H5 128.018
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.509      
2 O -0.701      
3 O -0.701      
4 H 0.447      
5 H 0.447      


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 -1.780 1.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.391 -4.882 0.000
y -4.882 -15.818 0.000
z 0.000 0.000 -14.968
Traceless
 xyz
x 1.002 -4.882 0.000
y -4.882 -1.139 0.000
z 0.000 0.000 0.137
Polar
3z2-r20.274
x2-y21.427
xy-4.882
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.750 -0.198 0.000
y -0.198 2.869 0.000
z 0.000 0.000 1.722


<r2> (average value of r2) Å2
<r2> 50.829
(<r2>)1/2 7.129

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-165.635905
Energy at 298.15K-165.637358
HF Energy-165.635905
Nuclear repulsion energy49.255110
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 HF/6-31G*
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 4217 3789 38.91      
2 A 766 689 2.81      
3 A 566 508 144.23      
4 A 318 285 65.60      
5 A 202 182 155.97      
6 B 4214 3787 195.61      
7 B 1594 1433 439.09      
8 B 563 505 448.25      
9 B 305 274 119.02      

Unscaled Zero Point Vibrational Energy (zpe) 6372.3 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 5725.5 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 HF/6-31G*
ABC
17.10197 0.22995 0.22970

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.031
O2 0.000 1.421 -0.047
O3 0.000 -1.421 -0.047
H4 0.546 2.013 0.441
H5 -0.546 -2.013 0.441

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42141.42142.13802.1380
O21.42142.84270.94113.5111
O31.42142.84273.51110.9411
H42.13800.94113.51114.1704
H52.13803.51110.94114.1704

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 128.482 Be1 O3 H5 128.482
O2 Be1 O3 178.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.508      
2 O -0.701      
3 O -0.701      
4 H 0.447      
5 H 0.447      


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 1.855 1.855
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.463 4.815 0.000
y 4.815 -15.597 0.000
z 0.000 0.000 -14.988
Traceless
 xyz
x 0.830 4.815 0.000
y 4.815 -0.871 0.000
z 0.000 0.000 0.041
Polar
3z2-r20.083
x2-y21.134
xy4.815
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.743 0.197 0.000
y 0.197 2.881 0.000
z 0.000 0.000 1.719


<r2> (average value of r2) Å2
<r2> 50.827
(<r2>)1/2 7.129

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-165.630888
Energy at 298.15K 
HF Energy-165.630888
Nuclear repulsion energy49.848254
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 HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 4402 3956 0.00      
2 Σg 820 737 0.00      
3 Σu 4397 3951 494.20      
4 Σu 1689 1518 611.67      
5 Πg 330i 296i 0.00      
5 Πg 330i 296i 0.00      
6 Πu 370 332 42.06      
6 Πu 370 332 42.06      
7 Πu 330i 297i 443.55      
7 Πu 330i 297i 443.55      

Unscaled Zero Point Vibrational Energy (zpe) 5363.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 4819.1 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 HF/6-31G*
B
0.23176

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.391
O3 0.000 0.000 -1.391
H4 0.000 0.000 2.321
H5 0.000 0.000 -2.321

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39081.39082.32092.3209
O21.39082.78160.93013.7117
O31.39082.78163.71170.9301
H42.32090.93013.71174.6419
H52.32093.71170.93014.6419

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.458      
2 O -0.670      
3 O -0.670      
4 H 0.441      
5 H 0.441      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.015 0.000 0.000
y 0.000 -16.015 0.000
z 0.000 0.000 -7.777
Traceless
 xyz
x -4.119 0.000 0.000
y 0.000 -4.119 0.000
z 0.000 0.000 8.238
Polar
3z2-r216.475
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 1.501 0.000 0.000
y 0.000 1.501 0.000
z 0.000 0.000 3.104


<r2> (average value of r2) Å2
<r2> 50.010
(<r2>)1/2 7.072