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cyclobutane

cyclobutane



General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

General
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
any C,N,O,S or H 9938 197    
any polar X-H (X= N,O or S) 736 59  
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

C,H only
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
any alkyl C-H 4993 80  
methylene 1737 18  
methyl 815 38  
any aromatic C-H 2517 36  
substituted aromatic carbon 284 2  
phenyl 505 11  
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

N-H
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
any NH 271 12  
any uncharged NH 102 *  
any cationic NH 87 *  
aromatic cationic N-H 12 *  
amide NH 65 7  
uncharged C(sp2)/C(ar)-NH2 7 *  
cationic RNH3 25 2  
cationic R3NH   *    
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

O-H
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
any OH 465 47  
alcohol OH 98 3  
phenol OH 32 4  
water 97 40  
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid


Other N or O
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
aromatic or sp2 N 244    
cyano 72    
pyramidal R3N 3 *  
uncharged planar R3N 21    
cationic planar R3N        
any terminal O 1075 41  
any C=O 800 41  
amide C=O 170 19  
ester C=O 144    
carboxylate 79 11  
aliphatic ether 10    
linking O in esters 61    
aromatic O 22    
sulfoxide/sulfone O 43    
nitro 115 *  
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

Sulfur
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
any S 115 1  
any C=S 18    
aliphatic thioether 3 1  
aromatic S 28    
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

Halo/Halide
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
any C-F 216    
any C-Cl 155    
any C-Br 93    
any C-I 16    
chloride ion 38    
bromide ion 11    
iodide ion 12    
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/Halide| Alkali Metal| Amino acid

Alkali Metal
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
lithium ion        
sodium ion 1    
potassium ion 1    
rubidium ion        
cesuim ion        
* This search has not been done.

General| C,H only| N-H| O-H| Other N or O| Sulfur| Halo/halide| Alkali Metal| Amino acid

Amino acid
 Links to statistical data  Links to theoretical energy data
Contact Group CSD PDB Stats Theory
CONH2 13 7  
imidazole *      
guanidinium *      
* This search has not been done.




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