ðə stɹˈʌktʃɚ kəntˈeɪnz hˈaɪli dɪstˈɔːɹɾᵻd ˌɛsˈɛn sˈiː sˈɛvən koʊˈɔːɹdᵻnˈeɪʃən pˌɑːlɪhˈiːdɹə, wˌɪtʃ hæv θɹˈiː ʃˈɔːɹt ænd fˈoːɹ vˈɛɹi lˈɔŋ ˌɛsˈɛn sˈiː bˈɑːndz, ænd ɐ lˈoʊn pˈɛɹ ʌvðɪ ˌɛsˈɛn tˈuː plˈʌs stˈɛɹɪkli ɐkˈɑːmədˌeɪɾᵻd bᵻtwˌiːn ðə fˈoːɹ lˈɔŋ ˌɛsˈɛn sˈiː bˈɑːndz.
The structure contains highly distorted SnSe7 coordination polyhedra, which have three short and four very long Sn–Se bonds, and a lone pair of the Sn2+ sterically accommodated between the four long Sn–Se bonds.