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Volume is the amount of space that a substance or object occupies or that is enclosed within a container. Check FAQs
VT=(alattice3)1-(3(cos(α)2))+(2(cos(α)3))
VT - Volume?alattice - Lattice Constant a?α - Lattice parameter alpha?

Volume of Rhombohedral cell Example

With values
With units
Only example

Here is how the Volume of Rhombohedral cell equation looks like with Values.

Here is how the Volume of Rhombohedral cell equation looks like with Units.

Here is how the Volume of Rhombohedral cell equation looks like.

6.1E-28Edit=(14Edit3)1-(3(cos(30Edit)2))+(2(cos(30Edit)3))
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Volume of Rhombohedral cell Solution

Follow our step by step solution on how to calculate Volume of Rhombohedral cell?

FIRST Step Consider the formula
VT=(alattice3)1-(3(cos(α)2))+(2(cos(α)3))
Next Step Substitute values of Variables
VT=(14A3)1-(3(cos(30°)2))+(2(cos(30°)3))
Next Step Convert Units
VT=(1.4E-9m3)1-(3(cos(0.5236rad)2))+(2(cos(0.5236rad)3))
Next Step Prepare to Evaluate
VT=(1.4E-93)1-(3(cos(0.5236)2))+(2(cos(0.5236)3))
Next Step Evaluate
VT=6.07646428496212E-28
LAST Step Rounding Answer
VT=6.1E-28

Volume of Rhombohedral cell Formula Elements

Variables
Functions
Volume
Volume is the amount of space that a substance or object occupies or that is enclosed within a container.
Symbol: VT
Measurement: VolumeUnit:
Note: Value should be greater than 0.
Lattice Constant a
The Lattice Constant a refers to the physical dimension of unit cells in a crystal lattice along x-axis.
Symbol: alattice
Measurement: LengthUnit: A
Note: Value can be positive or negative.
Lattice parameter alpha
The Lattice parameter alpha is the angle between lattice constants b and c.
Symbol: α
Measurement: AngleUnit: °
Note: Value can be positive or negative.
cos
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Syntax: cos(Angle)
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Volume

​Go Volume of Unit cell
VT=a3
​Go Volume of Simple Cubic Unit Cell
VT=(2R)3
​Go Volume of Body Centered Unit Cell
VT=(4R3)3
​Go Volume of face Centered Unit Cell
VT=(22R)3

How to Evaluate Volume of Rhombohedral cell?

Volume of Rhombohedral cell evaluator uses Volume = (Lattice Constant a^3)*sqrt(1-(3*(cos(Lattice parameter alpha)^2))+(2*(cos(Lattice parameter alpha)^3))) to evaluate the Volume, The Volume of Rhombohedral cell formula is defined as the space occupied by an Rhombohedral crystal lattice. Volume is denoted by VT symbol.

How to evaluate Volume of Rhombohedral cell using this online evaluator? To use this online evaluator for Volume of Rhombohedral cell, enter Lattice Constant a (alattice) & Lattice parameter alpha (α) and hit the calculate button.

FAQs on Volume of Rhombohedral cell

What is the formula to find Volume of Rhombohedral cell?
The formula of Volume of Rhombohedral cell is expressed as Volume = (Lattice Constant a^3)*sqrt(1-(3*(cos(Lattice parameter alpha)^2))+(2*(cos(Lattice parameter alpha)^3))). Here is an example- 6.1E-28 = (1.4E-09^3)*sqrt(1-(3*(cos(0.5235987755982)^2))+(2*(cos(0.5235987755982)^3))).
How to calculate Volume of Rhombohedral cell?
With Lattice Constant a (alattice) & Lattice parameter alpha (α) we can find Volume of Rhombohedral cell using the formula - Volume = (Lattice Constant a^3)*sqrt(1-(3*(cos(Lattice parameter alpha)^2))+(2*(cos(Lattice parameter alpha)^3))). This formula also uses Cosine (cos), Square Root (sqrt) function(s).
What are the other ways to Calculate Volume?
Here are the different ways to Calculate Volume-
  • Volume=Edge Length^3OpenImg
  • Volume=(2*Radius of Constituent Particle)^3OpenImg
  • Volume=(4*Radius of Constituent Particle/sqrt(3))^3OpenImg
Can the Volume of Rhombohedral cell be negative?
No, the Volume of Rhombohedral cell, measured in Volume cannot be negative.
Which unit is used to measure Volume of Rhombohedral cell?
Volume of Rhombohedral cell is usually measured using the Cubic Meter[m³] for Volume. Cubic Centimeter[m³], Cubic Millimeter[m³], Liter[m³] are the few other units in which Volume of Rhombohedral cell can be measured.
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