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Experimental data for LiOH (lithium hydroxide)

22 02 02 11 45
Other names
Lithium Hydroxide; Lithium hydroxide hydrate; Lithium hydroxide, monohydrate;
INChI INChIKey SMILES IUPAC name
InChI=1S/Li.H2O/h;1H2/q+1;/p-1 WMFOQBRAJBCJND-UHFFFAOYSA-M [Li]O Lithium Hydroxide
State Conformation
1Σ C*V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -229.00 5.00 kJ mol-1 1996Gur/Ber:1211
Hfg(0K) enthalpy of formation -227.13 5.00 kJ mol-1 1996Gur/Ber:1211
Entropy (298.15K) entropy 214.38 1.20 J K-1 mol-1 1996Gur/Ber:1211
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 11.34 0.15 kJ mol-1 1996Gur/Ber:1211
Heat Capacity (298.15K) heat capacity 46.03 0.50 J K-1 mol-1 1996Gur/Ber:1211
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 Σ 3688   1996Gur/Ber:1211       OH stretch
2 Σ 871   1996Gur/Ber:1211       LiO stretch
3 Π 257   1996Gur/Ber:1211       LiOH bend

vibrational zero-point energy: 2535.6 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for LiOH (lithium hydroxide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  1.17891   1994McN/Tac:313

Calculated rotational constants for LiOH (lithium hydroxide).
Product of moments of inertia moments of inertia
14.29932amu Å2   2.374495E-39gm cm2
Geometric Data
picture of lithium hydroxide

Point Group C∞v


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rLiO 1.582   1 2 1994McN/Tac:313 r0=1.5936
rOH 0.969   1 3 1994McN/Tac:313 r0=0.9217
aHOLi 180 2 1 3 1994McN/Tac:313

Cartesians
Atom x (Å) y (Å) z (Å)
O1 0.0000 0.0000 0.0000
Li2 0.0000 0.0000 -1.5816
H3 0.0000 0.0000 0.9691

Atom - Atom Distances bond lengths
Distances in Å
  O1 Li2 H3
O1   1.58160.9691
Li2 1.5816   2.5507
H3 0.96912.5507  

Calculated geometries for LiOH (lithium hydroxide).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle
Li2 O1 H3 180.000

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-O 1
Li-O 1

Connectivity
Atom 1 Atom 2
O1 Li2
O1 H3
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1Σ
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1Σ C∞v True       4.755 NISTtriatomic MW μ0 ± 0.002 D C∞v 1 1
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for LiOH (lithium hydroxide).
Vibration specific dipole moments
Vibrational Quantum numbers Dip x Dip y Dip z Dip total Squib Comment
0000       4.755 NISTTriatomic  
0110       4.899 NISTTriatomic  
0200       5.031    
0310       5.133    
0001       4.851    

Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1Σ C∞v True       C∞v 1 1

Calculated electric quadrupole moments for LiOH (lithium hydroxide).

References
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squib reference DOI
1994McN/Tac:313 McNaughton, D.; Tack, L.M.; Kleibomer, B.; Godfrey, P.D. "Rotational Spectrum and Bending Potential of LiOH: A Semirigid Bender Analysis." Structural Chemistry. 5, 313-319 (1994) 10.1007/BF02281222
1996Gur/Ber:1211 Gurvich LV, Bergman GA, Gorokhov LN, et al."Thermodynamic properties of alkali metal hydroxides .1. Lithium and sodium hydroxides"J PHYS CHEM REF DATA 25 (4): 1211-1276 JUL-AUG 1996 10.1063/1.555982
NISTtriatomic NIST Triatomic Spectral Database (http://www.physics.nist.gov/PhysRefData/MolSpec/Triatomic/index.html) 10.18434/T4DW2S

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