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The abbreviation S&M is commonly used for Sadomasochism (or Sadism & Masochism), although the initialisms S-M, SM, or S/M are also used, particularly by practitioners. While the terms sadist and masochist refer respectively to one who enjoys giving and receiving pain, some practitioners of sadomasochism may switch between activity and passivity. Practitioners of sadomasochism may seek sexual pleasure from their acts. Sadomasochism ( / ˌ s eɪ d oʊ ˈ m æ s ə k ɪ z əm/ SAY-doh- MASS-ə-kiz-əm) is the giving and receiving of pleasure from acts involving the receipt or infliction of pain or humiliation. This is a little bit of why the angles increase as you increase s character.A female dominant with a male submissive at her feet, from Dresseuses d'Hommes (1931) by Belgian artist Luc Lafnet It turns out that the best way to keep two orbitals from overlapping much is to put them on opposite sides of the atom (sp - 180 degrees) keeping three of the same orbital apart results in a trigonal planar type structure (sp2 - 120 degrees). Recall that when you hybridize one s and one p orbital, you get two sp orbitals, similarly you can mix two p and one s to get three equivalent sp2 orbitals. An sp orbital is half s character, sp2 is 1/3 s character and sp3 is 1/4 s character, so increasing the s character corresponds to increasing the bond angle.Īnother way to think about it is that you want to keep all of the orbitals of the same shape as far apart as possible (typically we would actually say that we want them to overlap as little as possible). The bond angle of sp3 is 109.5, sp2 is 120 and sp is 180. so an sp-sp bond is strongest, and sp3-sp3 bond is weakest. Answer: s-character is the contribution of sigma type bond in a hybridization: sp3 = 25% s-character, 75% p-character sp2 = 33% s-character, 66% p-character sp = 50% s-character, 50% p-character The more s-character a bond has, the stronger and shorter the bond is.
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