s-net: sqc61



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	



	
		
			
		
	

	
	
Other names

	

		
		
RCSR name fsd 

		
		
	


	
Links to this net in other databases

	

		

			
				RCSR
			
			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 3 

	
Edges per primitive translational unit 7 

	
Transitivity (vertex,edge)(2,3)

	
Vertex degrees {4,6} 

	
Vertex coordination sequence  [(4, 12, 24, 46, 72, 106, 144, 190, 240, 298), (6, 14, 30, 50, 78, 110, 150, 194, 246, 302)] 

	
Wells’ vertex symbol [4^4.6^2, 4^8.6^7] 

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




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: P4/mmm 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.17071 
			 2.17071  
			 0.88619 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0.5  
						 0  
				
	  
				
 
						 0.5  
						 0.5  
						 0  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: P4/mmm 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.00001 
			 2.00001  
			 0.99999 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0.5  
							  0  
					
	  
					
 
							 0.5  
							  0.5  
							  0  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




		No items to display.




h-nets with edge collapse