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The Lattice Energy of a crystalline solid is a measure of the energy released when ions are combined to make a compound. Check FAQs
U=-[Avaga-no]Mz+z-([Charge-e]2)(1-(ρr0))4π[Permitivity-vacuum]r0
U - Lattice Energy?M - Madelung Constant?z+ - Charge of Cation?z- - Charge of Anion?ρ - Constant Depending on Compressibility?r0 - Distance of Closest Approach?[Avaga-no] - Avogadro’s number?[Charge-e] - Charge of electron?[Permitivity-vacuum] - Permittivity of vacuum?π - Archimedes' constant?

Lattice Energy using Born-Mayer equation Example

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Here is how the Lattice Energy using Born-Mayer equation equation looks like with Values.

Here is how the Lattice Energy using Born-Mayer equation equation looks like with Units.

Here is how the Lattice Energy using Born-Mayer equation equation looks like.

3465.7632Edit=-6E+231.7Edit4Edit3Edit(1.6E-192)(1-(60.44Edit60Edit))43.14168.9E-1260Edit
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Lattice Energy using Born-Mayer equation Solution

Follow our step by step solution on how to calculate Lattice Energy using Born-Mayer equation?

FIRST Step Consider the formula
U=-[Avaga-no]Mz+z-([Charge-e]2)(1-(ρr0))4π[Permitivity-vacuum]r0
Next Step Substitute values of Variables
U=-[Avaga-no]1.74C3C([Charge-e]2)(1-(60.44A60A))4π[Permitivity-vacuum]60A
Next Step Substitute values of Constants
U=-6E+231.74C3C(1.6E-19C2)(1-(60.44A60A))43.14168.9E-12F/m60A
Next Step Convert Units
U=-6E+231.74C3C(1.6E-19C2)(1-(6E-9m6E-9m))43.14168.9E-12F/m6E-9m
Next Step Prepare to Evaluate
U=-6E+231.743(1.6E-192)(1-(6E-96E-9))43.14168.9E-126E-9
Next Step Evaluate
U=3465.76323739326J/mol
LAST Step Rounding Answer
U=3465.7632J/mol

Lattice Energy using Born-Mayer equation Formula Elements

Variables
Constants
Lattice Energy
The Lattice Energy of a crystalline solid is a measure of the energy released when ions are combined to make a compound.
Symbol: U
Measurement: Molar EnthalpyUnit: J/mol
Note: Value can be positive or negative.
Madelung Constant
The Madelung constant is used in determining the electrostatic potential of a single ion in a crystal by approximating the ions by point charges.
Symbol: M
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Charge of Cation
The Charge of Cation is the positive charge over a cation with fewer electron than the respective atom.
Symbol: z+
Measurement: Electric ChargeUnit: C
Note: Value can be positive or negative.
Charge of Anion
The Charge of Anion is the negative charge over an anion with more electron than the respective atom.
Symbol: z-
Measurement: Electric ChargeUnit: C
Note: Value can be positive or negative.
Constant Depending on Compressibility
The Constant Depending on Compressibility is a constant dependent on the compressibility of the crystal, 30 pm works well for all alkali metal halides.
Symbol: ρ
Measurement: LengthUnit: A
Note: Value can be positive or negative.
Distance of Closest Approach
Distance of Closest Approach is the distance to which an alpha particle comes closer to the nucleus.
Symbol: r0
Measurement: LengthUnit: A
Note: Value can be positive or negative.
Avogadro’s number
Avogadro’s number represents the number of entities (atoms, molecules, ions, etc.) in one mole of a substance.
Symbol: [Avaga-no]
Value: 6.02214076E+23
Charge of electron
Charge of electron is a fundamental physical constant, representing the electric charge carried by an electron, which is the elementary particle with a negative electric charge.
Symbol: [Charge-e]
Value: 1.60217662E-19 C
Permittivity of vacuum
Permittivity of vacuum is a fundamental physical constant that describes the ability of a vacuum to permit the transmission of electric field lines.
Symbol: [Permitivity-vacuum]
Value: 8.85E-12 F/m
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Lattice Energy

​Go Lattice Energy using Born Lande Equation
U=-[Avaga-no]Mz+z-([Charge-e]2)(1-(1nborn))4π[Permitivity-vacuum]r0
​Go Lattice Energy using Lattice Enthalpy
U=ΔH-(pLEVm_LE)
​Go Lattice Energy using Born-Lande equation using Kapustinskii Approximation
U=-[Avaga-no]Nions0.88z+z-([Charge-e]2)(1-(1nborn))4π[Permitivity-vacuum]r0

Other formulas in Lattice Energy category

​Go Born Exponent using Born Lande Equation
nborn=11--U4π[Permitivity-vacuum]r0[Avaga-no]M([Charge-e]2)z+z-
​Go Electrostatic Potential Energy between pair of Ions
EPair=-(q2)([Charge-e]2)4π[Permitivity-vacuum]r0
​Go Repulsive Interaction
ER=Br0nborn
​Go Repulsive Interaction Constant
B=ER(r0nborn)

How to Evaluate Lattice Energy using Born-Mayer equation?

Lattice Energy using Born-Mayer equation evaluator uses Lattice Energy = (-[Avaga-no]*Madelung Constant*Charge of Cation*Charge of Anion*([Charge-e]^2)*(1-(Constant Depending on Compressibility/Distance of Closest Approach)))/(4*pi*[Permitivity-vacuum]*Distance of Closest Approach) to evaluate the Lattice Energy, The Lattice Energy using Born-Mayer equation is an equation that is used to calculate the lattice energy of a crystalline ionic compound. It is a refinement of the Born–Landé equation by using an improved repulsion term. Lattice Energy is denoted by U symbol.

How to evaluate Lattice Energy using Born-Mayer equation using this online evaluator? To use this online evaluator for Lattice Energy using Born-Mayer equation, enter Madelung Constant (M), Charge of Cation (z+), Charge of Anion (z-), Constant Depending on Compressibility (ρ) & Distance of Closest Approach (r0) and hit the calculate button.

FAQs on Lattice Energy using Born-Mayer equation

What is the formula to find Lattice Energy using Born-Mayer equation?
The formula of Lattice Energy using Born-Mayer equation is expressed as Lattice Energy = (-[Avaga-no]*Madelung Constant*Charge of Cation*Charge of Anion*([Charge-e]^2)*(1-(Constant Depending on Compressibility/Distance of Closest Approach)))/(4*pi*[Permitivity-vacuum]*Distance of Closest Approach). Here is an example- 3465.763 = (-[Avaga-no]*1.7*4*3*([Charge-e]^2)*(1-(6.044E-09/6E-09)))/(4*pi*[Permitivity-vacuum]*6E-09).
How to calculate Lattice Energy using Born-Mayer equation?
With Madelung Constant (M), Charge of Cation (z+), Charge of Anion (z-), Constant Depending on Compressibility (ρ) & Distance of Closest Approach (r0) we can find Lattice Energy using Born-Mayer equation using the formula - Lattice Energy = (-[Avaga-no]*Madelung Constant*Charge of Cation*Charge of Anion*([Charge-e]^2)*(1-(Constant Depending on Compressibility/Distance of Closest Approach)))/(4*pi*[Permitivity-vacuum]*Distance of Closest Approach). This formula also uses Avogadro’s number, Charge of electron, Permittivity of vacuum, Archimedes' constant .
What are the other ways to Calculate Lattice Energy?
Here are the different ways to Calculate Lattice Energy-
  • Lattice Energy=-([Avaga-no]*Madelung Constant*Charge of Cation*Charge of Anion*([Charge-e]^2)*(1-(1/Born Exponent)))/(4*pi*[Permitivity-vacuum]*Distance of Closest Approach)OpenImg
  • Lattice Energy=Lattice Enthalpy-(Pressure Lattice Energy*Molar Volume Lattice Energy)OpenImg
  • Lattice Energy=-([Avaga-no]*Number of Ions*0.88*Charge of Cation*Charge of Anion*([Charge-e]^2)*(1-(1/Born Exponent)))/(4*pi*[Permitivity-vacuum]*Distance of Closest Approach)OpenImg
Can the Lattice Energy using Born-Mayer equation be negative?
Yes, the Lattice Energy using Born-Mayer equation, measured in Molar Enthalpy can be negative.
Which unit is used to measure Lattice Energy using Born-Mayer equation?
Lattice Energy using Born-Mayer equation is usually measured using the Joule per Mole[J/mol] for Molar Enthalpy. Kilojoule per Mole[J/mol] are the few other units in which Lattice Energy using Born-Mayer equation can be measured.
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