What does anti-periplanar mean?
Definitions for anti-periplanar
an·ti-peri·pla·nar
This dictionary definitions page includes all the possible meanings, example usage and translations of the word anti-periplanar.
Wikipedia
Anti-periplanar
In organic chemistry, anti-periplanar, or antiperiplanar, describes the A−B−C−D bond angle in a molecule. In this conformer, the dihedral angle of the A−B bond and the C−D bond is greater than +150° or less than −150° (Figures 1 and 2). Anti-periplanar is often used in textbooks to mean strictly anti-coplanar, with an A−B C−D dihedral angle of 180° (Figure 3). In a Newman projection, the molecule will be in a staggered arrangement with the anti-periplanar functional groups pointing up and down, 180° away from each other (see Figure 4). Figure 5 shows 2-chloro-2,3-dimethylbutane in a sawhorse projection with chlorine and a hydrogen anti-periplanar to each other. Syn-periplanar or synperiplanar is similar to anti-periplanar. In the syn-periplanar conformer, the A and D are on the same side of the plane of the bond, with the dihedral angle of A−B and C−D between +30° and −30° (see Figure 2).
Numerology
Chaldean Numerology
The numerical value of anti-periplanar in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of anti-periplanar in Pythagorean Numerology is: 1
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"anti-periplanar." Definitions.net. STANDS4 LLC, 2024. Web. 30 Apr. 2024. <https://www.definitions.net/definition/anti-periplanar>.
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