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

using model chemistry: MP3/TZVP

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 MP3/TZVP
 hartrees
Energy at 0K-90.342293
Energy at 298.15K-90.342116
HF Energy-90.119945
Nuclear repulsion energy17.359942
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 MP3/TZVP
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' 4139 3870 139.34      
2 A' 1259 1178 151.23      
3 A' 360 336 219.11      

Unscaled Zero Point Vibrational Energy (zpe) 2878.8 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 2692.3 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 MP3/TZVP
ABC
61.24050 1.27917 1.25300

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.044 -0.378 0.000
Be2 0.044 1.040 0.000
H3 -0.525 -1.135 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41760.9465
Be21.41762.2474
H30.94652.2474

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 143.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-90.341484
Energy at 298.15K 
HF Energy-90.119817
Nuclear repulsion energy17.530565
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 MP3/TZVP
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 4220 3946 220.66      
2 Σ 1305 1221 189.93      
3 Π 303i 283i 183.90      
3 Π 303i 283i 183.90      

Unscaled Zero Point Vibrational Energy (zpe) 2459.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 2300.5 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 MP3/TZVP
B
1.27191

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.039
H3 0.000 0.000 1.299

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39580.9422
Be21.39582.3380
H30.94222.3380

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