s-net: sqc1250



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
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			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 6 

	
Edges per primitive translational unit 14 

	
Transitivity (vertex,edge)(2,5)

	
Vertex degrees {4,5} 

	
Vertex coordination sequence  [(4, 14, 32, 58, 90, 132, 182, 228, 288, 368), (5, 15, 32, 56, 90, 128, 173, 231, 293, 354)] 

	
Wells’ vertex symbol [5^6, 4^4.5^4.6.7] 

	
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 1, 0, 2, 5, 0, 0, 0, 3, 6, -1, 0, 0, 3, 6, 0, 0, 0, 4, 4, -1, 0, 0, 4, 5, 0, -1, 0, 4, 6, 0, 0, 1, 5, 5, -1, 0, 0, 5, 6, 0, 0, 1) 




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Imma 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.5928 
			 1.02279  
			 6.13854 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0.25  
						 0.4375  
				
	  
				
 
						 0.2  
						 0.25  
						 0.1875  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Imma 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.49906 
			 1.0  
			 6.31666 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0.25  
							  0.43145  
					
	  
					
 
							 0.20008  
							  0.25  
							  0.17335  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




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h-nets with edge collapse