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

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
 hartrees
Energy at 0K-90.362983
Energy at 298.15K-90.362793
HF Energy-90.123182
Nuclear repulsion energy17.396730
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 MP4/6-311G**
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' 4020 3898 0.00      
2 A' 1251 1213 0.00      
3 A' 349 338 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2809.7 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 2724.6 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 MP4/6-311G**
ABC
38.32049 1.31354 1.27001

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.386 0.000
Be2 0.055 1.027 0.000
H3 -0.657 -1.021 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41330.9536
Be21.41332.1684
H30.95362.1684

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 131.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-90.362180
Energy at 298.15K 
HF Energy-90.123003
Nuclear repulsion energy17.624395
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 MP4/6-311G**
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 4137 4012        
2 Σ 1323 1283        
3 Π 161i 156i        
3 Π 161i 156i        

Unscaled Zero Point Vibrational Energy (zpe) 2569.9 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 2492.0 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 MP4/6-311G**
B
1.29199

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.353
Be2 0.000 0.000 -1.030
H3 0.000 0.000 1.299

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38300.9463
Be21.38302.3294
H30.94632.3294

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