ðɪs məlˈɛkjʊlɚ spˈiːsiːz klˈoʊsli ɹᵻzˈɛmbəlz mˈæŋɡənˌiːz hɛptˈɑːksaɪd, kənsˈɪstɪŋ əvə pˈɛɹ ʌv ɹˌiː ˈoʊ fˈoːɹ tˌɛtɹɐhˈiːdɹə ðæt ʃˈɛɹ ɐ vˈɜːtɛks, ˈaɪ.ˈiː., ˈoʊ θɹˈiː ɹˌiː ˈoʊ ɹˌiː ˈoʊ θɹˈiː.
This molecular species closely resembles manganese heptoxide, consisting of a pair of ReO4 tetrahedra that share a vertex, i.e., O3Re–O–ReO3.