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

using model chemistry: MP4/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-90.327608
Energy at 298.15K-90.327420
HF Energy-90.102394
Nuclear repulsion energy17.196951
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/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' 3982 3850 0.00      
2 A' 1228 1187 0.00      
3 A' 352 341 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2780.8 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 2688.8 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 MP4/cc-pVDZ
ABC
37.32228 1.28014 1.23769

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.392 0.000
Be2 0.055 1.041 0.000
H3 -0.665 -1.026 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.43290.9595
Be21.43292.1888
H30.95952.1888

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 131.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-90.326580
Energy at 298.15K 
HF Energy-90.101830
Nuclear repulsion energy17.424234
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/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 Σ 4116 3980        
2 Σ 1305 1262        
3 Π 220i 213i        
3 Π 220i 213i        

Unscaled Zero Point Vibrational Energy (zpe) 2490.3 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 2407.9 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/cc-pVDZ
B
1.25858

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.358
Be2 0.000 0.000 -1.044
H3 0.000 0.000 1.309

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40260.9506
Be21.40262.3532
H30.95062.3532

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