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CPK® Atomic Models
Individual Atoms
Nitrogen Atoms
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Nitrogen Atoms
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Products in Nitrogen Atoms
CPK® Atomic Models, Nitrogen Atom, Amide
Nitrogen, Amide
Covalent radii stamped on each face of this atom as follows: 0.60Å to amide carbon, 0.70Å to hydrogen bond hydrogen; 0.70Å to chain carbon. Bond angle 123° between amide carbon and H-bond hydrogen; 114° between...
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CPK® Atomic Models, Nitrogen Atom, Aromatic-5
Nitrogen, Aromatic-5
For use in five-membered rings such as in 67-8266 Imidazole or in positions 7 and 9 in 67-8262 Purine. Covalent radius 0.68Å to atoms within ring and covalent radius 0.73Å to atoms outside ring; bond angle...
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CPK® Atomic Models, Nitrogen Atom, Aromatic-6
Nitrogen, Aromatic-6
For use in six-membered rings such as 67-8255 Pyridine and 67-8263 Pyrimidine. Covalent radius 0.69Å within ring and covalent radius 0.73Å to single atoms outside ring; symbol ‘6’ stamped on one...
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CPK® Atomic Models, Nitrogen Atom, Nitrile Triple Bond
Nitrogen, Nitrile Triple Bond Covalent radius 0.60Å along triple bond; this face marked ‘C?’ for triple bonding with 67-6593 Carbon, Acetylenic Triple Bond to form nitriles or ‘cyano’ compounds; second...
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CPK® Atomic Models, Nitrogen Atom, Tetrahedral
Nitrogen, Tetrahedral
Connector sockets notched for simulation of restricted rotational potential. Covalent radius 0.70Å; bond angle 109°30’. 67-7112 Amine Cap, see page P12, converts 67-6841 Nitrogen, Tetrahedral to amino...
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CPK® Atomic Models, Nitrogen Atom, Tetrahedral-4
Nitrogen, Tetrahedral-4
For constructing four-membered rings. Identical to 67-6528 Carbon, Tetrahedral-4, see page P7, except for color. With 67-7112 Amine Cap, see page P12, it is converted to a trivalent nitrogen for use in...
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CPK® Atomic Models, Nitrogen Atom, Trigonal-4
Nitrogen, Trigonal-4
For constructing four-membered rings. Identical to 67-6544 Carbon, Trigonal-4, see page P7, except for color. For constructing models such as free b-lactam and the four-membered ring in ³2-cephalosporins....
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