s-net: sqc368



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
Links to this net in other databases

	

		

			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 5 

	
Edges per primitive translational unit 10 

	
Transitivity (vertex,edge)(2,3)

	
Vertex degrees {3,8} 

	
Vertex coordination sequence  [(3, 10, 41, 104, 178, 274, 389, 516, 672, 840), (8, 32, 76, 136, 220, 314, 432, 576, 716, 896)] 

	
Wells’ vertex symbol [4.5^2, 4^4.5^4.6^2.7^10.8^4.10^4] 

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




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: I-4m2 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.70735 
			 1.70735  
			 4.40847 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0.16667  
						 0  
						 0.05  
				
	  
				
 
						 0.5  
						 0  
						 0.25  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: I-4m2 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.0007 
			 1.0007  
			 5.74251 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0.24564  
							  0  
							  0.08162  
					
	  
					
 
							 0.5  
							  0  
							  0.25  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




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h-nets with edge collapse