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

using model chemistry: CISD/6-31G*

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 CISD/6-31G*
 hartrees
Energy at 0K-90.290800
Energy at 298.15K-90.290568
HF Energy-90.090306
Nuclear repulsion energy17.394621
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 CISD/6-31G*
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' 4008 3711 129.75      
2 A' 1287 1192 102.14      
3 A' 314 291 216.03      

Unscaled Zero Point Vibrational Energy (zpe) 2804.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 2596.4 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 CISD/6-31G*
ABC
45.38873 1.30597 1.26945

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.051 -0.380 0.000
Be2 0.051 1.030 0.000
H3 -0.607 -1.076 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40980.9569
Be21.40982.2056
H30.95692.2056

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 136.625
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-90.290383
Energy at 298.15K 
HF Energy-90.089694
Nuclear repulsion energy17.607574
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 CISD/6-31G*
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 4136 3829 212.96      
2 Σ 1361 1260 132.33      
3 Π 128i 118i 183.78      
3 Π 128i 118i 183.78      

Unscaled Zero Point Vibrational Energy (zpe) 2620.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 2426.4 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 CISD/6-31G*
B
1.29010

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

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 -1.031
H3 0.000 0.000 1.301

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38380.9486
Be21.38382.3324
H30.94862.3324

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