Издательство СО РАН

Издательство СО РАН

Адрес Издательства СО РАН: Россия, 630090, а/я 187
Новосибирск, Морской пр., 2

soran2.gif

Baner_Nauka_Sibiri.jpg


Яндекс.Метрика

Array
(
    [SESS_AUTH] => Array
        (
            [POLICY] => Array
                (
                    [SESSION_TIMEOUT] => 24
                    [SESSION_IP_MASK] => 0.0.0.0
                    [MAX_STORE_NUM] => 10
                    [STORE_IP_MASK] => 0.0.0.0
                    [STORE_TIMEOUT] => 525600
                    [CHECKWORD_TIMEOUT] => 525600
                    [PASSWORD_LENGTH] => 6
                    [PASSWORD_UPPERCASE] => N
                    [PASSWORD_LOWERCASE] => N
                    [PASSWORD_DIGITS] => N
                    [PASSWORD_PUNCTUATION] => N
                    [LOGIN_ATTEMPTS] => 0
                    [PASSWORD_REQUIREMENTS] => Пароль должен быть не менее 6 символов длиной.
                )

        )

    [SESS_IP] => 3.238.86.122
    [SESS_TIME] => 1711718342
    [BX_SESSION_SIGN] => 9b3eeb12a31176bf2731c6c072271eb6
    [fixed_session_id] => 2d91578b728f5fad8fb6546e5250773b
    [UNIQUE_KEY] => d26d120c4d0f1e4f2c61eae6bbc4202f
    [BX_LOGIN_NEED_CAPTCHA_LOGIN] => Array
        (
            [LOGIN] => 
            [POLICY_ATTEMPTS] => 0
        )

)

Поиск по журналу

Журнал структурной химии

2011 год, номер 1

CRYSTAL STRUCTURE OF A SILVER(I) COMPLEX {[Ag(N-METHYLTHIOUREA)2]NO3}n EXHIBITING INFINITE CHAINS OF AgS4 TETRAHEDRA

Habib-ur-rehman1, S. Ahmad2, H. Ajaz3, M. Hanif4, M. Altaf5, H. Stoeckli-evans6
1 Exxelis Limited ETTC/Biospace
2 Department of Chemistry University of Engineering and Technology, saeed_a786@hotmail.com
3 Department of Chemistry University of Engineering and Technology
4 Department of Chemistry University of Engineering and Technology
5 Institute of Physics University of Neuchâtel
6 Institute of Physics University of Neuchâtel
Ключевые слова: Silver(I) complexes, N-methylthiourea, crystal structure
Страницы: 164-169

Аннотация

A polymeric silver(I) complex, bis(N-methylthiourea)silver(I) nitrate, {[Ag(Metu)2]NO3}n is prepared and its crystal structure is determined by X-ray crystallography. The compound crystallizes in the monoclinic C2/c space group. In the structure, distorted AgS4 tetrahedra are linked through the sulfur atoms of the Metu ligand to form isolated infinite chains of the type [Ag(SR)2]. The cationic chains are separated from each other by nitrate ions that do not coordinate to the metal ion. The chains are bridged via N-H…O hydrogen bonds involving the nitrate ions. The complex exhibits an Ag---Ag separation of ~3.21 Å indicating the existence of significant argentophilic interactions. An upfield shift in the >C=S resonance of Metu in 13C NMR and downfield shift in the N-H resonance in 1H NMR are consistent with sulfur coordination to silver(I).