s-net: sqc232



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
Links to this net in other databases

	

		

			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 3 

	
Edges per primitive translational unit 9 

	
Transitivity (vertex,edge)(2,6)

	
Vertex degrees {6,6} 

	
Vertex coordination sequence  [(6, 16, 35, 70, 123, 194, 283, 390, 515, 658), (6, 18, 42, 82, 140, 216, 310, 422, 552, 700)] 

	
Wells’ vertex symbol [4^12.6^3, 4^9.6^6] 

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




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Pmmm 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 0.86638 
			 1.93632  
			 2.29236 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0.5  
						 0.14286  
				
	  
				
 
						 0  
						 0.5  
						 1  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Pmmm 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 0.99537 
			 1.15691  
			 2.10614 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0.5  
							  0.22534  
					
	  
					
 
							 0  
							  0.5  
							  1  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




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h-nets with edge collapse