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四氟化锡(IV) | 7783-62-2

中文名称
四氟化锡(IV)
中文别名
四氟化锡;氟化锡
英文名称
tin(IV) fluoride
英文别名
tin tetrafluoride;tin fluoride;stannous fluoride;stannic fluoride;stannous tetrafluoride;tetrafluorostannane
四氟化锡(IV)化学式
CAS
7783-62-2
化学式
F4Sn
mdl
——
分子量
194.704
InChiKey
YUOWTJMRMWQJDA-UHFFFAOYSA-J
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 熔点:
    705°C (subl.)
  • 沸点:
    705°C
  • 密度:
    4,78 g/cm3
  • 溶解度:
    与H2O反应
  • 暴露限值:
    a/nm
  • 稳定性/保质期:

    如果按照规格进行使用和储存,则不会发生分解。请避免接触分或潮湿环境。该物质在705℃时会升华,并且能溶于中并发生解反应。

计算性质

  • 辛醇/水分配系数(LogP):
    -12.36
  • 重原子数:
    5
  • 可旋转键数:
    0
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.0
  • 拓扑面积:
    0
  • 氢给体数:
    0
  • 氢受体数:
    4

ADMET

代谢
尽管属的吸收非常差,但化合物可以通过口服、吸入或皮肤途径被吸收,有机锡化合物的吸收速度比无机化合物要快得多。可能进入血液并绑定到血红蛋白上,在体内分布并在肾脏、肝脏、肺和骨骼中积累。及其代谢物主要通过尿液和粪便排出体外。(L308)
Though tin metal is very poorly absorbed, tin compounds may be absorbed via oral, inhalation, or dermal routes, with organotin compounds being much more readily absorbed than inorganic tin compounds. Tin may enter the bloodstream and bind to hemoglobin, where it is distributed and accumulates mainly in the kidney, liver, lung, and bone. Tin and its metabolites are excreted mainly in the urine and feces. (L308)
来源:Toxin and Toxin Target Database (T3DB)
毒理性
  • 毒性总结
无机和有机锡化合物是酒精脱氢酶的弱抑制剂
Inorganic and organic tin compounds are weak inhibitors of alcohol dehydrogenase. (A183)
来源:Toxin and Toxin Target Database (T3DB)
毒理性
  • 致癌物分类
对人类不具有致癌性(未被国际癌症研究机构IARC列名)。
No indication of carcinogenicity to humans (not listed by IARC).
来源:Toxin and Toxin Target Database (T3DB)
毒理性
  • 健康影响
摄入大量无机化合物可能会导致腹痛、贫血以及肝脏和肾脏问题。
Ingestion of large amounts of inorganic tin compounds can cause stomachache, anemia, and liver and kidney problems. (L307, L308)
来源:Toxin and Toxin Target Database (T3DB)
毒理性
  • 暴露途径
口服(L308);吸入(L308);皮肤给药(L308)
Oral (L308) ; inhalation (L308) ; dermal (L308)
来源:Toxin and Toxin Target Database (T3DB)
毒理性
  • 症状
无机或有机锡化合物放置在皮肤上或进入眼睛中可能会引起皮肤和眼睛的刺激。
Inorganic or organic tin compounds placed on the skin or in the eyes can produce skin and eye irritation. (L308)
来源:Toxin and Toxin Target Database (T3DB)

安全信息

  • 危险等级:
    8
  • 危险品标志:
    Xn,C
  • 安全说明:
    S26,S27,S36,S36/39
  • 危险类别码:
    R20/21/22
  • WGK Germany:
    3
  • 危险品运输编号:
    UN2923
  • 包装等级:
    II
  • 危险标志:
    GHS07
  • 危险性描述:
    H302 + H312 + H332
  • 危险性防范说明:
    P261,P280,P301 + P312 + P330
  • 储存条件:
    保持贮藏器密封,并将其放入一个紧密封装的容器中。最好储存在阴凉、干燥的地方。

SDS

SDS:dc97111e70eadf1dfc0d4b537bb449e1
查看

Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name : Tin(IV) fluoride
CAS-No. : 7783-62-2


Section 2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
Acute toxicity, Oral (Category 4)
Acute toxicity, Inhalation (Category 4)
Acute toxicity, Dermal (Category 4)
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Harmful by inhalation, in contact with skin and if swallowed.
Label elements
Labelling according Regulation (EC) No 1272/2008 [CLP]
Pictogram
Signal word Warning
Hazard statement(s)
H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
Precautionary statement(s)
Wear protective gloves/ protective clothing.
Supplemental Hazard none
Statements
According to European Directive 67/548/EEC as amended.
Hazard symbol(s)
R-phrase(s)
R20/21/22 Harmful by inhalation, in contact with skin and if swallowed.
S-phrase(s)
S26 In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
S27 Take off immediately all contaminated clothing.
S36 Wear suitable protective clothing.
S36/39 Wear suitable protective clothing and eye/face protection.
Other hazards - none

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Formula : F4Sn
Molecular Weight : 194,70 g/mol
Component Concentration
Tin(IV) fluoride
CAS-No. 7783-62-2 -
EC-No. 232-016-0

Section 4. FIRST AID MEASURES
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
Salivation, Nausea, Abdominal pain, Vomiting, Fever, Rapid respiration, Fluoride ion can reduce serum
calcium levels possibly causing fatal hypocalcemia., burning sensation, Cough, wheezing, laryngitis,
Shortness of breath, Headache
Indication of any immediate medical attention and special treatment needed
no data available

Section 5. FIREFIGHTING MEASURES
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Hydrogen fluoride, Tin/tin oxides
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

Section 6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure
adequate ventilation. Avoid breathing dust.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

Section 7. HANDLING AND STORAGE
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Moisture sensitive.
Specific end use(s)
no data available

Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
Personal protective equipment
Eye/face protection
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested
and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
Use respirators and components tested and approved under appropriate government standards
such as NIOSH (US) or CEN (EU).

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) Appearance Form: solid
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing no data available
point
f) Initial boiling point and no data available
boiling range
g) Flash point not applicable
h) Evaporation rate no data available
i) Flammability (solid, gas) no data available
j) Upper/lower no data available
flammability or
explosive limits
k) Vapour pressure no data available
l) Vapour density no data available
m) Relative density no data available
n) Water solubility no data available
o) Partition coefficient: n- no data available
octanol/water
p) Auto-ignition no data available
temperature
q) Decomposition no data available
temperature
r) Viscosity no data available
s) Explosive properties no data available
t) Oxidizing properties no data available
Other safety information
no data available

Section 10. STABILITY AND REACTIVITY
Reactivity
no data available
Chemical stability
no data available
Possibility of hazardous reactions
no data available
Conditions to avoid
Avoid moisture.
Incompatible materials
no data available
Hazardous decomposition products
Other decomposition products - no data available

Section 11. TOXICOLOGICAL INFORMATION
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
Inhalation Harmful if inhaled. May cause respiratory tract irritation.
Ingestion Harmful if swallowed.
Skin Harmful if absorbed through skin. May cause skin irritation.
Eyes May cause eye irritation.
Signs and Symptoms of Exposure
Salivation, Nausea, Abdominal pain, Vomiting, Fever, Rapid respiration, Fluoride ion can reduce serum
calcium levels possibly causing fatal hypocalcemia., burning sensation, Cough, wheezing, laryngitis,
Shortness of breath, Headache
Additional Information
RTECS: Not available

Section 12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
no data available
Other adverse effects
no data available

Section 13. DISPOSAL CONSIDERATIONS
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
professional waste disposal service to dispose of this material. Dissolve or mix the material with a
combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

Section 14. TRANSPORT INFORMATION
UN number
ADR/RID: - IMDG: - IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport hazard class(es)
ADR/RID: - IMDG: - IATA: -
Packaging group
ADR/RID: - IMDG: - IATA: -
Environmental hazards
ADR/RID: no IMDG Marine Pollutant: no IATA: no
Special precautions for user
no data available

Section 15. REGULATORY INFORMATION
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment


SECTION 16 - ADDITIONAL INFORMATION
N/A


制备方法与用途

概述

(STANNIC FLUORIDE)是一种具有吸湿性的白色单斜晶体,极易溶于。在室温下它会逐渐解,加热时则迅速解。它是通过将SnO与单质F2在500℃下反应制得的。

应用

的应用包括但不限于以下几方面:

  1. 用于制备低温双氧水活化剂。
  2. 制备改性石墨烯复合离子电池负极材料。
  3. 制备介孔HAP/氧化锆/氧化人工骨陶瓷。
物理性质

是一种具有吸湿性的白色单斜晶体,极易溶于。在室温下它会逐渐解,在加热时则迅速解。

制备方法

可通过将SnO与单质F2在500℃下反应制得。

反应信息

  • 作为反应物:
    描述:
    四氟化锡(IV) 作用下, 以 为溶剂, 生成 tin(IV) oxide
    参考文献:
    名称:
    Ruff; Plato, Chemische Berichte, 1904, vol. 37, p. 683 - 683
    摘要:
    DOI:
  • 作为产物:
    描述:
    stannous fluoride 生成 四氟化锡(IV)
    参考文献:
    名称:
    插层化合物的结构研究和119Sn穆斯堡尔研究
    摘要:
    摘要 在氟化无水HF中进行了四氟化锡嵌入石墨的研究。对于较长的反应时间,已获得具有 11.53 A 同一周期的第 2 阶段化合物。已根据 C24SnF5 组成的单晶的魏森伯格模式确定了嵌入物质的结构特征。已在基于 HOPG 的 GIC 上在 4.2 ≤ T ≤ 293 K 的温度范围内进行了 119Sn Mossbauer 共振研究。异构体位移值清楚地表明锡以 (IV) 氧化态存在。随着温度的降低,观察到光谱的一个重要展宽,这与嵌入颗粒的尺寸有关。
    DOI:
    10.1016/0025-5408(90)90165-x
  • 作为试剂:
    描述:
    三氟氯丙烯四氟化锡(IV)氢氟酸五氟化锑 作用下, 反应 5.0h, 生成 2-氯-1,1,1,2-四氟丙烷
    参考文献:
    名称:
    一种合成2-氯-1,1,1,2-四氟丙烷的方法
    摘要:
    本发明公开了一种合成2-氯-1,1,1,2-四氟丙烷的方法,该方法以2-氯-3,3,3-三氟丙烯为原料,包括以下步骤:以五氟化锑和氟化盐为催化剂,2-氯-3,3,3-三氟丙烯与氟化氢液相氟化合成2-氯-1,1,1,2-四氟丙烷;其中五氟化锑与氟化盐的摩尔比为1:0.1~3,2-氯-3,3,3-三氟丙烯与HF的摩尔比为1:1~15,反应温度为25℃~60℃。本发明中的合成2-氯-1,1,1,2-四氟丙烷的方法具有反应温度低,反应选择性高,反应过程无需通入氯气,催化剂使用寿命长等优点。本发明用于2-氯-1,1,1,2-四氟丙烷的合成。
    公开号:
    CN104140355B
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文献信息

  • Dinitrogen Difluoride Chemistry. Improved Syntheses of <i>cis</i>- and <i>trans</i>-N<sub>2</sub>F<sub>2</sub>, Synthesis and Characterization of N<sub>2</sub>F<sup>+</sup>Sn<sub>2</sub>F<sub>9</sub><sup>−</sup>, Ordered Crystal Structure of N<sub>2</sub>F<sup>+</sup>Sb<sub>2</sub>F<sub>11</sub><sup>−</sup>, High-Level Electronic Structure Calculations of <i>cis</i>-N<sub>2</sub>F<sub>2</sub>, <i>trans</i>-N<sub>2</sub>F<sub>2</sub>, F<sub>2</sub>N═N, and N<sub>2</sub>F<sup>+</sup>, and Mechanism of the <i>trans−cis</i> Isomerization of N<sub>2</sub>F<sub>2</sub>
    作者:Karl O. Christe、David A. Dixon、Daniel J. Grant、Ralf Haiges、Fook S. Tham、Ashwani Vij、Vandana Vij、Tsang-Hsiu Wang、William W. Wilson
    DOI:10.1021/ic100471s
    日期:2010.8.2
    for the trans−cis isomerization of N2F2 has a barrier of 60 kcal/mol and involves rotation about the NN double bond. This barrier is substantially higher than the energy required for the dissociation of N2F2 to N2 and 2 F. Therefore, some of the N2F2 dissociates before undergoing an uncatalyzed isomerization, with some of the dissociation products probably catalyzing the isomerization. Furthermore, it
    N 2 F +盐是N 5 +化合物合成中的重要前体,并且据报道,更好的方法可以大规模生产。一个新的,临界稳定Ñ 2 ˚F +盐,N 2 ˚F + Sn的2 ˚F 9 - ,制备和表征。对于N获得的有序晶体结构2 ˚F + Sb的2 ˚F 11 - ,导致个体N≡N和N-F键的距离N的第一观察2 ˚F +在固相中。观察到的N≡N和N-F键距离分别为1.089(9)和1.257(8)Å,是实验中观察到的最短的N-N和N-F键。在CCSD(T)级别上使用相关一致的基集外推到完整的基极极限的高级电子结构计算表明,在298 °C时,顺式-N 2 F 2比反式N 2 F 2稳定1.4 kcal / mol。 K.计算结果还表明,N 2 F 2的反式顺式异构化的最低未催化途径具有60 kcal / mol的势垒,并涉及围绕N═N双键的旋转。该势垒大大高于将N 2 F 2分解为N 2和2 F所需的能量。因此,一些N
  • Synthese und Kristallstruktur von Silber(II)-Fluoriden AgMIVF6 (MIV = Sn, Ti, Pb, Pd, Pt, Rh)
    作者:R. Fischer、B. G. Müller
    DOI:10.1002/1521-3749(200103)627:3<445::aid-zaac445>3.0.co;2-2
    日期:2001.3
    (isotyp zu AgSnF6) sowie AgPtF6 und AgRhF6 (isotyp zu AgPdF6) wurden erneut in mikrokristalliner Form dargestellt und ihre Gitterparameter anhand von Guinierdaten bestimmt. Alle Verbindungen sind Strukturvarianten des LiSbF6-Typs und jeweils isotyp zu CuMF6 (M = Ti, Sn, Pb und Pd, Pt). Synthesis and Crystal Structure of Silver(II) Fluorides AgMIVF6 (MIV = Sn, Ti, Pb, Pd, Pt, Rh) For the first time single
    首次以单晶形式,AgSnF6(浅蓝色,三斜晶系,a=519.93(7)pm,b=524.96(10)pm,c=563.13(9)pm,α=115.66(2)°, β = 89.28 (2) °, γ = 118.77 (2) °, RG P1 – C; (No. 2), Z = 1) and AgPdF6 (brown run, triclinic with a = 501.5 (2) pm, b = 508.7 (2) pm, c = 996.4 (2) pm, α = 89.58 (2) °, β = 103.10 (2) °, γ = 120.88 (2) °, RG P1 – C, (No. 2), Z = 2) 放射学显示和检查。该分子式类型的其他化合物,例如 AgTiF6 和 AgPbF6(AgSnF6 的同种型)以及 AgPtF6 和 AgRhF6(AgPdF6 的同种型)再
  • Crystal Structures of Photochemically Prepared (Xe <sub>2</sub> F <sub>11</sub> ) <sub>2</sub> (MF <sub>6</sub> ) (M = Sn, Pb) and (XeF <sub>5</sub> ) <sub>4</sub> (Sn <sub>5</sub> F <sub>24</sub> ) Containing Six‐ and Seven‐Coordinated Tin(IV)
    作者:Zoran Mazej、Evgeny Goreshnik
    DOI:10.1002/ejic.201801558
    日期:2019.3.7
    Single crystals of [Xe2F11]2[SnF6], [Xe2F11]2[PbF6], and [XeF5]4[Sn5F24] were grown from saturated aHF solutions upon crystallizations. The crystal structures of isotypic [Xe2F11]2[SnF6] and [Xe2F11]2[PbF6] consist of [Xe2F11]+ cations and [MF6]2– anions (M = Sn, Pb) that interact by means of fluorine bridge contacts. The single crystal structure determination of [XeF5]4[Sn5F24] reveals that it is
    在结晶时,从饱和aHF溶液中生长[Xe 2 F 11 ] 2 [SnF 6 ],[Xe 2 F 11 ] 2 [PbF 6 ]和[XeF 5 ] 4 [Sn 5 F 24 ]的单晶。同型[Xe 2 F 11 ] 2 [SnF 6 ]和[Xe 2 F 11 ] 2 [PbF 6 ]的晶体结构由[Xe 2 F 11 ] +阳离子和[MF6 ] 2–阴离子(M = Sn,Pb)通过桥接触而相互作用。[XeF 5 ] 4 [Sn 5 F 24 ]的单晶结构测定表明,它是由二维([Sn 5 F 24 ] 4–)∞网格和位于它们之间的[XeF 5 ] +阳离子构成的。2D网格具有类似波浪的构型。([Sn 5 F 24 ] 4–)∞该层包含通过桥接原子相互连接的六配位和七配位的Sn(IV)。七个原子对Sn(IV)的配位是前所未有的。试图合成和生长[XeF 5 ] [MF 5 ](M = Zr,Hf,Ni,Pd)化合物的单晶失败。
  • Syntheses of Dioxygenyl Salts by Photochemical Reactions in Liquid Anhydrous Hydrogen Fluoride: X-ray Crystal Structures of α- and β-O<sub>2</sub>Sn<sub>2</sub>F<sub>9</sub>, O<sub>2</sub>Sn<sub>2</sub>F<sub>9</sub>·0.9HF, O<sub>2</sub>GeF<sub>5</sub>·HF, and O<sub>2</sub>[Hg(HF)]<sub>4</sub>(SbF<sub>6</sub>)<sub>9</sub>
    作者:Zoran Mazej、Evgeny Goreshnik
    DOI:10.1021/acs.inorgchem.9b03518
    日期:2020.2.3
    two-dimensional ([Sn2F9]-)∞ grids with [O2]+ cations and HF molecules located between them. The 2-D grids have a wavelike conformation. The ([Sn2F9]-)∞ layer contains both six- and seven-coordinated Sn(IV) atoms that are interconnected by bridging fluorine atoms. A new, more complex [O2]+ salt, O2[Hg(HF)]4[SbF6]9, was prepared. In its crystal structure, the Hg atoms bridge to SbF6 units to form a 3-D framework
    通过用UV光解的O2 / F2混合物处理气态,液体或固体化物,并通过在环境温度下于液态无HF中用UV光解的F2(或O2 / F2混合物)处理固体氧化物,我们研究了制备O2MIIIF4(M = B,Fe,Co,Ag),O2MIVF5(M = Ti,Sn,Pb),(O2)2MIVF6(M = Ti,Ge,Sn,Pb,Pd,Ni,Mn),O2MIV2F9(M = Sn),O2MVF6(M = As,Sb,Au,Pt),O2MV2F11(M = Pt),O2MVIF7(M = Se),(O2)2MVIF8(M = Mo,W)和O2MVIIF8(M = I)。在先前已知的O2BF4,O2MF6(M = As,Sb,Au; Pt),O2GeF5和(O2)2(Ti7F30)的情况下,该方法已经成功。合成了新型化合物O2GeF5·HF,α- n2F9(1-D)和HF溶剂化和非溶剂化形式的β-O2S
  • Synthesis, solution and magic angle spinning tin-119 nuclear magnetic resonance studies and crystal structures of dithioether complexes of tin(IV) halides
    作者:Sandra E. Dann、Anthony R. J. Genge、William Levason、Gillian Reid
    DOI:10.1039/dt9960004471
    日期:——
    existence at low temperatures. X-Ray structural studies on [SnCl4MeS(CH2)2SMe}], [SnCl4MeS(CH2)3SMe}], [SnCl4o-C6H4(SMe)2}], [SnCl4PhS(CH2)3SPh}] and [SnBr4MeS(CH2)3SMe}] confirmed an S2X4 donor set with the dithioether acting as a bidentate chelate. Variable-temperature solution 1H and 119Sn-1H} NMR spectroscopic studies showed that the complexes are extremely labile and ligand dissociation and
    化合物SnX 4与1摩尔当量的二醚L–L在干燥的CHCl 3溶液中反应,得到六种配位物质[SnX 4(L–L)] [X = Cl,L–L = MES( CH 2)n SMe,o -C 6 H 4(SMe)2或PhS(CH 2)n SPh(n = 2或3);X = Br,L–L = MES(CH 2)n SMe或o -C 6 H 4(SMe)2 ],白色或浅黄色粉末状固体。使用SnBr 4和PhS(CH 2)ñ SPh上或SNI 4用MES(CH 2)Ñ SMe的没有产生可分离产品,虽然溶液119的Sn- 1 H} NMR光谱在低温下提供了证据为他们的存在。[SnCl 4 MES(CH 2)2 SMe}],[SnCl 4 MES(CH 2)3 SMe}],[SnCl 4 o -C 6 H 4(SMe)2 }的X射线结构研究,[SnCl 4 PhS(CH 2)3 SPh}]和[SnBr
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