HGS Stereochemistry Moleculaar Model File 4000-1

1. Parts: Regular tetrahedral

A regular tetrahedron has 4 bonds each extending from the center at an angele of 109

28' from adjacent bonds.

Two of them are 'Horn'-shaped and work as male (+) for connection. Remaining two work as female (-) using the holes.

Female bonds can be turned into male by inserting Connector ORG-20 to the holes. A little lubricant may be applied for for insertion.(*)

Connecting one part to another with connectors will form a chain hydrocarbon.

Connecting one part to another with connectors will form a chain hydrocarbon.

Bond length is the same in these parts. The accuracy may be enough for simply viewing the shape of a molecule, but it depends on the purpose for constructing the structure.

(*)Sewing machine lubricant is recommended but any others are fine. Apply a lubricant where connection is tight. Model pieces are resistant to chemicals and will not damage.

Fig. 1 Water H2O

Fig. 1 Ammonia NH3

Fig. 1 Methane CH4

Item No.	Name	Bond Iength	Color	Angle
ORG-1	sp³ Carbon	0.77 Å	Black	10928'
ORG-2	sp³ Nitrogen	0.77 Å	Blue	10928'
ORG-3	sp³ (tetrahedral oxygen)	0.77 Å	Red	10928'
ORG-4	sp³ (tetrahedral phosphoorus)	0.77 Å	Yellow	10928'
ORG-20	Connector		Black

*Not included in SET

HGS Molecular Structure Model

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