s-net: sqc2803



			    	
		

		

			
				
				
				
				
			
			
				
					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 18 

	
Transitivity (vertex,edge)(7,8)

	
Vertex degrees {4,4,4,4,4,8,4} 

	
Vertex coordination sequence  [(4, 14, 22, 54, 72, 154, 144, 294, 240, 474), (4, 12, 24, 50, 76, 150, 148, 290, 244, 470), (4, 12, 24, 56, 72, 158, 144, 298, 240, 478), (4, 12, 40, 46, 120, 106, 240, 190, 400, 298), (4, 20, 30, 82, 78, 182, 150, 322, 246, 502), (8, 12, 36, 46, 116, 106, 236, 190, 396, 298), (4, 12, 34, 50, 110, 110, 230, 194, 390, 302)] 

	
Wells’ vertex symbol [3^2.4.6^2.7, 3^4.4^2, 6^4.8.10, 6^4.8^2, 6^6, 3^4.4^2.6^4.7^4.8^7.9^4.10^3, 6^6] 

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




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Pmmm 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.80214 
			 2.5482  
			 2.72322 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0  
						 0.375  
				
	  
				
 
						 0  
						 0  
						 0.5  
				
	  
				
 
						 0  
						 0.5  
						 0  
				
	  
				
 
						 0.5  
						 0.5  
						 0  
				
	  
				
 
						 0.5  
						 0  
						 0  
				
	  
				
 
						 0.5  
						 0  
						 0.5  
				
	  
				
 
						 0  
						 0  
						 0  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Pmmm 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 2.05912 
			 2.16831  
			 2.49917 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0  
							  0.30723  
					
	  
					
 
							 0  
							  0  
							  0.5  
					
	  
					
 
							 0  
							  0.5  
							  0  
					
	  
					
 
							 0.5  
							  0.5  
							  0  
					
	  
					
 
							 0.5  
							  0  
							  0  
					
	  
					
 
							 0.5  
							  0  
							  0.5  
					
	  
					
 
							 0  
							  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
					hqc2450
				
				*222222
				 (7,8,2)
				{4,4,8,4,4,4,4}
				{3.3.3.3}{3.6.6.3}{3.6.6.3.3.6.6... 
			

	


	





h-nets with edge collapse


	
 No items to display.