s-net: sqc1215



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
Links to this net in other databases

	

		

			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 8 

	
Edges per primitive translational unit 14 

	
Transitivity (vertex,edge)(6,7)

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

	
Vertex coordination sequence  [(3, 7, 16, 27, 45, 72, 121, 175, 238, 331), (4, 10, 22, 40, 60, 96, 142, 202, 282, 350), (3, 7, 14, 25, 45, 74, 115, 171, 236, 321), (4, 10, 14, 26, 52, 88, 132, 188, 254, 352), (4, 12, 24, 44, 68, 104, 148, 204, 296, 414), (4, 12, 24, 40, 70, 98, 138, 212, 290, 370)] 

	
Wells’ vertex symbol [5.8^2, 5.8^5, 5^2.8, 5^4.8^2, 5^4.8^2, 5^4.6.8] 

	
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, 5, 7, 0, 0, 0, 5, 7, 0, 1, 0, 6, 8, 0, 0, 0, 7, 8, 0, 0, 1, 8, 8, 0, -1, 0) 




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Pmmm 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.83335 
			 1.41953  
			 5.02082 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0  
						 0.2  
				
	  
				
 
						 0  
						 0  
						 0  
				
	  
				
 
						 0  
						 0.5  
						 0.3  
				
	  
				
 
						 0  
						 0.5  
						 0.5  
				
	  
				
 
						 0.5  
						 0.5  
						 0  
				
	  
				
 
						 0.5  
						 0  
						 0  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Pmmm 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.29185 
			 1.29201  
			 6.20674 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0  
							  0.17789  
					
	  
					
 
							 0  
							  0  
							  0  
					
	  
					
 
							 0  
							  0.5  
							  0.32214  
					
	  
					
 
							 0  
							  0.5  
							  0.5  
					
	  
					
 
							 0.5  
							  0.5  
							  0  
					
	  
					
 
							 0.5  
							  0  
							  0  
					
	  
			

		


		
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
					hqc2331
				
				*222222
				 (6,7,2)
				{4,3,3,4,4,4}
				{5.5.5.5}{5.9.5}{5.9.9}{9.9.9.9}... 
			

	


	





h-nets with edge collapse


	
 No items to display.