s-net: sqc1618



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
Links to this net in other databases

	

		

			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 4 

	
Edges per primitive translational unit 16 

	
Transitivity (vertex,edge)(2,3)

	
Vertex degrees {12,4} 

	
Vertex coordination sequence  [(12, 48, 110, 198, 312, 452, 618, 810, 1028, 1272), (4, 28, 86, 168, 276, 410, 570, 756, 968, 1206)] 

	
Wells’ vertex symbol [3^14.4^28.5^22.6^2, 3^4.4^2] 

	
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, -1, 0, 0, 1, 3, -1, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 4, -1, 0, 0, 2, 4, -1, 1, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0) 




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: I41/amd 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.11515 
			 1.11515  
			 4.73186 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0.25  
						 0.375  
				
	  
				
 
						 0  
						 0.75  
						 0.125  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: I41/amd 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.22018 
			 1.22018  
			 3.43901 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0.25  
							  0.375  
					
	  
					
 
							 0  
							  0.75  
							  0.125  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




		No items to display.




h-nets with edge collapse