s-net: sqc204



			    	
		

		

			
				
				
				
				
			
			
				
					Systre crystallographic geometry file (.cgd) 
			
		

	




	

	
Links to this net in other databases

	

		

			topcryst
		

	

		



 

Topological data




	
Vertices per primitive translational unit 3 

	
Edges per primitive translational unit 9 

	
Transitivity (vertex,edge)(2,6)

	
Vertex degrees {10,4} 

	
Vertex coordination sequence  [(10, 46, 126, 254, 430, 654, 926, 1246, 1614, 2030), (4, 14, 51, 134, 266, 446, 674, 950, 1274, 1646)] 

	
Wells’ vertex symbol [4^29.5^8.6^8, 4^4.5.6] 

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




 

Geometric data



Systre equilibrium placement (barycentric embedding) maximising unit cell volume




	
 Spacegroup: Pmmm 


	
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 1.10341 
			 1.25126  
			 1.10292 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

	


	
 Vertex positions:
		

			

				 X-pos 
				 Y-pos 
				 Z-pos 
			


				
 
						 0  
						 0  
						 0  
				
	  
				
 
						 0  
						 0.33333  
						 0  
				
	  
		

	

	
Edge end points: 
		

		
		
	






Systre coordinates favouring equal edge-lengths




	
 Spacegroup: Pmmm 



		
 Parameters:  
		

			
 a   b   c   alpha   beta   gamma 
	  
			
 
			 0.89835 
			 0.47898  
			 0.92828 
			 90.0  
			 90.0  
			 90.0 
			
	  
		

		


		
Vertex positions:
			

				

					 X-pos 
					 Y-pos 
					 Z-pos 
				


					
 
							 0  
							  0  
							  0  
					
	  
					
 
							 0  
							  0.03768  
							  0  
					
	  
			

		


		
Edge end points: 
			

			
			
		



	

	 


 

Hyperbolic sources





h-nets with faithful topology




		No items to display.




h-nets with edge collapse