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

using model chemistry: HF/aug-cc-pVQZ

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 HF/aug-cc-pVQZ
 hartrees
Energy at 0K-90.145279
Energy at 298.15K-90.145122
HF Energy-90.145279
Nuclear repulsion energy17.691421
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/aug-cc-pVQZ
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' 4308 3914 173.48 71.54 0.17 0.29
2 A' 1318 1197 155.27 1.45 0.74 0.85
3 A' 376 341 189.15 5.30 0.72 0.84

Unscaled Zero Point Vibrational Energy (zpe) 3000.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2726.3 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/aug-cc-pVQZ
ABC
57.78709 1.33436 1.30424

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.045 -0.372 0.000
Be2 0.045 1.018 0.000
H3 -0.539 -1.097 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39000.9316
Be21.39002.1947
H30.93162.1947

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 141.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.828      
2 Be 0.518      
3 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.042 -0.575 0.000 1.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.852 1.531 0.000
y 1.531 -12.817 0.000
z 0.000 0.000 -11.761
Traceless
 xyz
x 1.437 1.531 0.000
y 1.531 -1.510 0.000
z 0.000 0.000 0.073
Polar
3z2-r20.147
x2-y21.965
xy1.531
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.216 0.049 0.000
y 0.049 3.860 0.000
z 0.000 0.000 5.007


<r2> (average value of r2) Å2
<r2> 14.148
(<r2>)1/2 3.761

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-90.144544
Energy at 298.15K 
HF Energy-90.144544
Nuclear repulsion energy17.860982
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/aug-cc-pVQZ
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 4391 3989 254.64      
2 Σ 1364 1239 195.23      
3 Π 260i 237i 167.20      
3 Π 260i 237i 167.20      

Unscaled Zero Point Vibrational Energy (zpe) 2617.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2377.6 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 HF/aug-cc-pVQZ
B
1.32159

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.350
Be2 0.000 0.000 -1.019
H3 0.000 0.000 1.276

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.36890.9266
Be21.36892.2955
H30.92662.2955

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 HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.802      
2 Be 0.542      
3 H 0.261      


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 1.181 1.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.740 0.000 0.000
y 0.000 -11.740 0.000
z 0.000 0.000 -11.673
Traceless
 xyz
x -0.033 0.000 0.000
y 0.000 -0.033 0.000
z 0.000 0.000 0.066
Polar
3z2-r20.133
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 0.000
y 0.000 5.044 0.000
z 0.000 0.000 3.935


<r2> (average value of r2) Å2
<r2> 14.081
(<r2>)1/2 3.752