s-net: sqc6



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	



	
		
			
		
	

	
	
Other names

	

		
		
RCSR name dia 

		
Keywords diamond, sphere packing  

		
Fisher-Koch-Sowa symbol 4/6/c1 

	


	
Links to this net in other databases

	

		

			
				RCSR
			
			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 2 

	
Edges per primitive translational unit 4 

	
Transitivity (vertex,edge)(1,1)

	
Vertex degrees {4} 

	
Vertex coordination sequence  [(4, 12, 24, 42, 64, 92, 124, 162, 204, 252)] 

	
Wells’ vertex symbol [6^6] 

	
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0) 




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Fd-3m 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.3094 
			 2.3094  
			 2.3094 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0.125  
						 0.125  
						 0.625  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Fd-3m 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.3094 
			 2.3094  
			 2.3094 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0.125  
							  0.125  
							  0.625  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




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h-nets with edge collapse