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CPK® Atomic Models
Individual Atoms
Carbon Atoms
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Carbon Atoms
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Products in Carbon Atoms
CPK® Atomic Models, Carbon Atom, Acetylenic Triple Bond
Carbon, Acetylenic Triple Bond
Covalent radius 0.60Å along triple bond; this face marked ‘C?’; second socket notched to accept restricted rotation connectors. Covalent radius 0.70Å along single bond. Black.
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CPK® Atomic Models, Carbon Atom, Amide
Carbon, Amine
Covalent radii stamped on each face of this atom as follows: 0.72Å to amide nitrogen, 0.67Å to oxygen, 0.75Å to chain carbon; bond angle 115° between amide nitrogen and chain carbon; bond angle 120° between oxygen...
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CPK® Atomic Models, Carbon Atom, Aromatic-5
Carbon, Aromatic-5
For constructing unsaturated five-member rings such as 67-8266 Imidazole, 67-8272 Pyrazole, and C-8 carbon in 67-8262 Purine. Covalent radius 0.68Å to atoms within ring and covalent radius 0.73Å to atoms...
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CPK® Atomic Models, Carbon Atom, Aromatic-6
Carbon, Aromatic-6
For constructing six-membered rings such as
67-8250 Benzene, 67-8255 Pyridine and 67-8263 Pyrimidine. Covalent radius 0.69Å within ring and covalent radius 0.73Å to single atoms outside ring; symbol...
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CPK® Atomic Models, Carbon Atom, Ethylenic Double Bond
Carbon, Ethylenic Double Bond
Covalent radius 0.67Å along the double bond; this face marked ‘C=’ and connector socket is notched to accept restricted rotation connectors; covalent radius 0.73Å along single bonds;...
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CPK® Atomic Models, Carbon Atom, Special for Fused 5-5 Rings
Carbon, Special for Fused 5-5 Rings
A special double-atom unit representing carbon atoms common to both rings. The 108° face bonds in the two five-member rings, e.g. pentalenes. Black.
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CPK® Atomic Models, Carbon Atom, Special for Fused 6-5 Rings
Carbon, Special for Fused 6-5 Rings
A special double-atom unit representing the carbons common to both rings. The 120° face bonds in the six-member ring; the 108° face bonds in the five-member ring, e.g., 67-8262 Purine and...
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CPK® Atomic Models, Carbon Atom, Special for Fused 6-6 Rings
Carbon, Special for Fused 6-6 Rings
A special double-atom unit representing the carbons common to fused 6-membered unsaturated rings, e.g., 67-8252 Anthracene, 67-8253 Phenanthrene, 67-8251 Naphthalene. The unit is stamped...
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CPK® Atomic Models, Carbon Atom, Tetrahedral
Carbon, Tetrahedral
Connector sockets triple-notched for simulation of restricted rotational potential. For special connector link, see 67-7047 Connector Link, Carbon on page P4. Covalent radius 0.77Å; bond angle 109°30'. Black.
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CPK® Atomic Models, Carbon Atom, Tetrahedral-4
Carbon, Tetrahedral-4
For constructing four-membered ring structures such as b-lactams, 67-0400 Cyclobutane and methylene cyclobutane. Covalent radii 0.77Å to atoms within the ring and 0.76Å to atoms outside the ring. Each face...
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CPK® Atomic Models, Carbon Atom, Trigonal-4
Carbon, Trigonal-4
For constructing four-membered rings. Intraring covalent radii 0.73Å stamped on one face. A permanent connector molded into the other intraring surface provides the same bond length as the 67-7005 Connector...
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