A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Names | |
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IUPAC name
potassium di-µ-oxidotetraoxidodimanganate(6−)
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Identifiers | |
3D model (JSmol)
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PubChem CID
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Properties[1] | |
K6Mn2O6 | |
Molar mass | 440.46 g mol−1 |
Appearance | Ruby-red crystals |
Structure[1] | |
P21/b (No. 14) | |
a = 889(5) pm, b = 677(5) pm, c = 1137(9) pm α = 90°, β = 90°, γ = 132.1°
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Distorted tetrahedral (Mn3+) | |
Related compounds | |
Other anions
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Potassium hypomanganate Potassium manganate Potassium permanganate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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Potassium dimanganate(III), K6Mn2O6, is a manganese(III) compound. Unlike lithium and sodium manganites, MMnO2, which are best described as mixed oxides, potassium dimanganite contains discrete Mn2O6−
6 anions in the solid state.[2] It rapidly hydrolyzes in air.[1]
K6Mn2O6 is prepared as ruby-red crystals by the reaction of excess potassium oxide with manganese(II) oxide in a sealed nickel bomb at 610 °C for ten days.[1] The Mn2O6−
6 anion has an Al2Cl6-type structure.[1][2]
References
- ^ a b c d e Brachtel, G.; Hoppe, R. (1976), "Das erste Oxomanganat(III) mit Inselstruktur: K6 "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" "}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}
H, (pseudo)halogens chalcogens pnictogens B, C group trans metals organic
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