-    PHOSGENITE     -    Pb2Cl2CO3

 

Crystal Structure 


Because of the translational symmetry all the calculations are performed in the primitive unit cell and not in the conventional unit cell. The following information regarding the structure is given with respect to this primitive unit cell, which sometimes can take an unintuitive shape.

Symmetry (experimental): 

Space group:  127  P4/mbm 
Lattice parameters (Å):  4.3181  4.3181  4.7007 
Angles (°):  90  90  90 

Symmetry (theoretical): 

Space group:  127  P4/mbm 
Lattice parameters (Å):  7.9520  7.9520  8.7433 
Angles (°):  90  90  90 

Cell contents: 

Number of atoms:  32 
Number of atom types: 
Chemical composition: 

Atomic positions (theoretical):

Pb:  0.0000  0.1644  0.6644 
Cl:  0.2625  0.0000  1.0000 
Cl:  0.2446  0.3538  0.8538 
C:  0.5000  0.3215  0.8215 
O:  0.0000  0.2068  0.7068 
O:  0.0000  0.3728  0.8728 
Pb:  0.1297  0.3356  0.1644 
Cl:  0.2625  0.1462  0.3538 
C:  0.5000  0.1785  0.3215 
O:  0.0000  0.2932  0.2068 
O:  0.0000  0.1272  0.3728 
Pb:  0.1297  0.3356  0.1644 
Cl:  0.7375  0.5000  0.5000 
O:  0.7554  0.1272  0.3728 
Pb:  0.8703  0.8356  0.3356 
Cl:  0.2625  0.6462  0.1462 
C:  0.5000  0.6785  0.1785 
O:  0.0000  0.7932  0.2932 
O:  0.0000  0.6272  0.1272 
Pb:  0.1297  0.8356  0.3356 
O:  0.7375  0.6272  0.1272 
Pb:  0.8703  0.1644  0.6644 
O:  0.7375  0.3728  0.8728 
Pb:  0.8703  0.6644  0.8356 
Cl:  0.2625  0.8538  0.6462 
C:  0.5000  0.8215  0.6785 
O:  0.0000  0.7068  0.7932 
O:  0.0000  0.8728  0.6272 
Pb:  0.1297  0.6644  0.8356 
O:  0.7375  0.8728  0.6272 
Cl:  0.8703  0.0000  1.0000 
Cl:  0.7554  0.5000  0.5000 
Atom type 

We have listed here the reduced coordinates of all the atoms in the primitive unit cell.
It is enough to know only the position of the atoms from the assymetrical unit cell and then use the symmetry to build the whole crystal structure.

Visualization of the crystal structure: 

Size:

  
Nx:  Ny:  Nz:    
You can define the size of the supercell to be displayed in the jmol panel as integer translations along the three crys­tallo­gra­phic axis.
Please note that the structure is represented using the pri­mi­tive cell, and not the conventional one.