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

using model chemistry: MP4/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-90.430583
Energy at 298.15K-90.430395
HF Energy-90.138293
Nuclear repulsion energy17.372133
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/aug-cc-pVTZ
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' 3980 3874 0.00      
2 A' 1244 1210 0.00      
3 A' 349 340 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2786.5 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 2711.8 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/aug-cc-pVTZ
ABC
47.54926 1.29715 1.26270

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.049 -0.381 0.000
Be2 0.049 1.033 0.000
H3 -0.593 -1.086 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41380.9538
Be21.41382.2140
H30.95382.2140

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 137.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-90.429770
Energy at 298.15K 
HF Energy-90.137599
Nuclear repulsion energy17.561598
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/aug-cc-pVTZ
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 4071 3962        
2 Σ 1299 1264        
3 Π 220i 214i        
3 Π 220i 214i        

Unscaled Zero Point Vibrational Energy (zpe) 2465.0 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 2398.9 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/aug-cc-pVTZ
B
1.28156

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.354
Be2 0.000 0.000 -1.035
H3 0.000 0.000 1.302

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38900.9478
Be21.38902.3368
H30.94782.3368

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