s-net: sqc2331



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
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			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 6 

	
Edges per primitive translational unit 18 

	
Transitivity (vertex,edge)(2,6)

	
Vertex degrees {3,12} 

	
Vertex coordination sequence  [(3, 18, 73, 171, 306, 481, 694, 947, 1238, 1569), (12, 54, 136, 256, 416, 614, 852, 1128, 1444, 1798)] 

	
Wells’ vertex symbol [3.4^2, 3^10.4^26.5^22.6^6.7^2] 

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




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Imma 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.38341 
			 1.22027  
			 5.17902 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0.25  
						 0.25  
						 0.125  
				
	  
				
 
						 0  
						 0.25  
						 0.625  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Imma 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 0.92991 
			 0.97173  
			 3.5626 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0.00924  
							  0.25  
							  0.3758  
					
	  
					
 
							 0  
							  0.25  
							  0.62422  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




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h-nets with edge collapse