s-net: sqc2228



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
Links to this net in other databases

	

		

			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 9 

	
Edges per primitive translational unit 17 

	
Transitivity (vertex,edge)(7,8)

	
Vertex degrees {4,4,3,4,4,4,4} 

	
Vertex coordination sequence  [(4, 12, 24, 52, 84, 128, 176, 250, 312, 396), (4, 8, 18, 28, 56, 78, 134, 172, 260, 318), (3, 7, 12, 25, 41, 76, 105, 168, 211, 310), (4, 8, 12, 28, 44, 82, 108, 182, 228, 330), (4, 6, 10, 18, 40, 64, 108, 140, 224, 274), (4, 12, 28, 44, 78, 108, 174, 226, 306, 372), (4, 12, 24, 46, 64, 112, 146, 220, 270, 372)] 

	
Wells’ vertex symbol [5^4.8^2, 4^2.6.8^2.10, 4^2.6, 4^4.6^2, 4^4.6^2, 5^4.6.8, 5.8^5] 

	
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, -1, 0, 0, 2, 3, 0, 0, 0, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 4, 6, 0, 0, 0, 4, 6, 0, 1, 0, 4, 7, 0, 0, 0, 5, 7, 0, 0, 1, 5, 8, 0, 0, 0, 5, 8, 0, 1, 0, 6, 9, 0, 0, 0, 7, 9, 0, 0, 0, 7, 9, 0, 1, 0, 8, 9, 0, 0, 1) 




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Pmmm 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.7766 
			 4.49431  
			 2.05115 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0  
						 0  
				
	  
				
 
						 0.5  
						 0.3125  
						 0.5  
				
	  
				
 
						 0  
						 0.375  
						 0.5  
				
	  
				
 
						 0.5  
						 0.5  
						 0.5  
				
	  
				
 
						 0  
						 0.5  
						 0.5  
				
	  
				
 
						 0.5  
						 0  
						 0  
				
	  
				
 
						 0.5  
						 0  
						 0.5  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Pmmm 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.08261 
			 4.16506  
			 1.21084 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0  
							  0  
					
	  
					
 
							 0.5  
							  0.25002  
							  0.5  
					
	  
					
 
							 0  
							  0.24996  
							  0.5  
					
	  
					
 
							 0.5  
							  0.5  
							  0.5  
					
	  
					
 
							 0  
							  0.5  
							  0.5  
					
	  
					
 
							 0.5  
							  0  
							  0  
					
	  
					
 
							 0.5  
							  0  
							  0.5  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




		1 record listed.

	

		

			Image
			h-net name
			Orbifold symbol
			Transitivity (Vert,Edge,Face)
			Vertex Degree
			2D Vertex Symbol
		


		
			

					Net details
					hqc2446
				
				*222222
				 (7,8,2)
				{4,4,4,4,3,4,4}
				{9.9.9.9}{9.9.9.9}{9.9.9.9}{9.4.... 
			

	


	





h-nets with edge collapse


	
 No items to display.