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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-90.308132
Energy at 298.15K-90.307938
HF Energy-90.098146
Nuclear repulsion energy17.447280
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 MP3/6-31+G**
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' 4143 3855 125.15      
2 A' 1293 1203 108.35      
3 A' 344 320 205.06      

Unscaled Zero Point Vibrational Energy (zpe) 2889.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 2689.1 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 MP3/6-31+G**
ABC
46.04989 1.31024 1.27399

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.380 0.000
Be2 0.050 1.028 0.000
H3 -0.603 -1.070 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40760.9500
Be21.40762.1970
H30.95002.1970

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 136.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-90.318194
Energy at 298.15K 
HF Energy-90.105251
Nuclear repulsion energy17.566094
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 MP3/6-31+G**
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 4233 3939 221.57      
2 Σ 1324 1232 184.93      
3 Π 33i 31i 192.64      
3 Π 33i 31i 192.64      

Unscaled Zero Point Vibrational Energy (zpe) 2744.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 2554.1 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 MP3/6-31+G**
B
1.27952

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.355
Be2 0.000 0.000 -1.036
H3 0.000 0.000 1.299

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39090.9439
Be21.39092.3348
H30.94392.3348

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