592-85-8

Basic information

• Product Name: Mercury(II) thiocyanate
• Synonyms: Thiocyanicacid, mercury(2+) salt (8CI,9CI);Mercuric isothiocyanate;Mercuricsulfocyanate;Mercuric sulfocyanide;Mercuric thiocyanate;Mercurydi(thiocyanate);Mercury thiocyanate (Hg(SCN)2);Mercury(II) thiocyanate
• CAS NO: 592-85-8
• Molecular Formula: C2HgN2S2
• Molecular Weight: 316.79
• EINECS: 237-949-7
• Mol File: 592-85-8.mol
• Article Data: 8

Chemical Properties

• Melting Point: 165 °C
• Boiling Point: 146 °C at 760 mmHg
• Flash Point: 42.1 °C
• Appearance: White solid
• Density: 3.71 g/mL at 25 °C(lit.)
• Vapor Density: 11 (vs air)
• Water Solubility: Negligible
• CAS DataBase Reference: Mercury(II) thiocyanate(CAS DataBase Reference)
• NIST Chemistry Reference: Mercury(II) thiocyanate(592-85-8)
• EPA Substance Registry System: Mercury(II) thiocyanate(592-85-8)

Safety Data

• Statements: 26/27/28-33-50/53
• Safety Statements: 13-28-45-60-61
• PackingGroup: II
• Hazardous Substances Data: 592-85-8(Hazardous Substances Data)

Usage

InChI:InChI=1/CHNS.Hg/c2-1-3;/h3H;/q;+2/p-1

Synthetic route

mercuric(II) nitrate monohydrate + potassium thioacyanate (333-20-0) → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With HNO3 In water aq. soln. of 2 equiv. of KSCN was added to Hg-salt soln. contg. a few drops of 20 % aq. HNO3; crystn. for a several h, crystals were filtered off, washed with H2O anddried;	85%
With HNO3 In water aq. KSCN soln. was added to 0.05 equiv. of Hg-salt soln. contg. some drops of 20 % HNO3; soln. was kept for a few hours, crystals were filtered off, washed with H2O and dried;	85%

potassium thioacyanate (333-20-0) + mercury dichloride → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In ethanol according standard method: Ramakrishna, R.S and Thuraisingham R., J.Inorg.Nuc.Chem., 35, 285, (1973);	80%
In not given excess HgCl2;
In not given excess HgCl2;

n-prSi(NCS)3 (18139-82-7) → n-propyltrichlorosilane (141-57-1) + mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With mercury dichloride at careful heating to reflux;;	A 65% B 65%
With HgCl2 at careful heating to reflux;;	A 65% B 65%

thiocyanic acid (463-56-9) + mercury fulminate (92114-96-0) → mercury(II) thiocyanate (592-85-8)

thiocyanic acid (463-56-9) → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With mercuri oxide

mercury(II) diacetate (1600-27-7) + potassium thioacyanate (333-20-0) → mercury(II) thiocyanate (592-85-8)

potassium thioacyanate (333-20-0) → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With mercury dichloride
With mercuri nitrate
With mercury dichloride In acetic acid methyl ester excess of KSCN;; precipitation;;
With mercury dichloride In water
With HgCl2 In acetic acid methyl ester excess of KSCN;; precipitation;;

HgSCN + thiocyanato → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With carbon disulfide
With tetrachloromethane

Thiocyanate (302-04-5) → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With mercury dichloride In water concentration: 0.00125-0.1mol/l;;
With HgCl2 In water concentration: 0.00125-0.1mol/l;;

Thiocyanate (302-04-5) + mercury(II) nitrate → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With iron(III) In not given can be used for titrimetric determination of Hg(2+) with Fe(II) as indicator;;
With Fe(3+) In not given can be used for titrimetric determination of Hg(2+) with Fe(II) as indicator;;

Thiocyanate (302-04-5) + mercury dibromide → mercury(II) thiocyanate (592-85-8) + potassium bromide (7558-02-3)

Conditions	Yield
In water alkali rhodanide;; not isolated;;

silver thiocyanate (1701-93-5) + mercury(II) nitrate → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In not given byproducts: {HgSCN}(1+); solving AgSCN in Hg(NO3)2 soln.;;
In not given byproducts: {HgSCN}(1+); solving AgSCN in Hg(NO3)2 soln.;;

mercury(II) cyanide + sodium thiosulfate → mercury(II) thiocyanate (592-85-8) + sodium thiocyanide (540-72-7) + mercury sulfide + sodium sulfate (7757-82-6) + sodium sulfite (7757-83-7)

Conditions	Yield
With sodium oxide In water byproducts: NaCN; in alk. soln.;
With Na2O In water byproducts: NaCN; in alk. soln.;

carbon disulfide (75-15-0) + nitrogen (7727-37-9) + mercury → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In neat (no solvent) byproducts: carbon, sulfur; reaction of CS2 vapor with liquid Hg in presence of N2, electrical discharge; a small amt. of Hg(II) thiocyanate forms;;
In neat (no solvent) byproducts: carbon, sulfur; reaction of CS2 vapor with liquid Hg in presence of N2, electrical discharge; a small amt. of Hg(II) thiocyanate forms;;

potassium thioacyanate (333-20-0) + mercury(II) oxide → mercury(II) thiocyanate (592-85-8) + potassium hydroxide

Conditions	Yield
With water In water equilibrium; depending on temp. (25.0-79.0°C); at 99.5°C complete decompn.;
With H2O In water

sodium thiocyanide (540-72-7) + mercury(II) oxide → mercury(II) thiocyanate (592-85-8) + sodium hydroxide (1310-73-2)

Conditions	Yield
With water In water equilibrium; depending on temp. (25.0-79.0°C); at 99.5°C complete decompn.;
With H2O In water

phosphoryl-isothiocyanate (1858-25-9) + mercury dichloride → mercury(II) thiocyanate (592-85-8) + trichlorophosphate (10025-87-3, 12599-09-6, 63736-95-8)

potassium thioacyanate (333-20-0) + mercury → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In water Electrochem. Process; anodic dissolving of Hg in aq. KSCN soln., favoring by low current density and stirring;;

ammonium thiocyanate → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With mercury dichloride In acetic acid methyl ester excess of NH4SCN;; precipitation;;
With HgCl2 In acetic acid methyl ester excess of NH4SCN;; precipitation;;

thiocyanogen (505-14-6) + mercury(II) iodide → mercury(II) thiocyanate (592-85-8) + iodine (7553-56-2)

Conditions	Yield
In tetrachloromethane
In diethyl ether
In chloroform

potassium thioacyanate (333-20-0) + mercury(II) nitrate → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In water immediate reaction;;
In not given addn. of KSCN to Hg(NO3)2 soln.;;
In not given addn. of KSCN to Hg(NO3)2 soln.;;
In water Hg(NO3)2 and KSCN in 1:2 molar ratio; dried in vac. for 30 h;

thiocyanic acid (463-56-9) + mercury(II) nitrate → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In not given addn. of HSCN to Hg(NO3)2 soln.;;
In not given addn. of HSCN to Hg(NO3)2 soln.;;

Hg(2+)*Cl(1-)*2SCN(1-)={HgCl(SCN)2}(1-) → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
With water In water
With H2O In water

sulfinyl isothiocyanate + mercury dichloride → mercurychloridesulfide + mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In potassium hydroxide aq. KOH;
In sodium hydroxide aq. NaOH;
In potassium hydroxide aq. KOH;
In sodium hydroxide aq. NaOH;

sulfonyl isothiocyanate + mercury dichloride → mercurychloridesulfide + mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In potassium hydroxide aq. KOH;
In sodium hydroxide aq. NaOH;
In potassium hydroxide aq. KOH;
In sodium hydroxide aq. NaOH;

S2(SCN)2 + mercury dichloride → mercurychloridesulfide + mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In potassium hydroxide aq. KOH;
In sodium hydroxide aq. NaOH;
In potassium hydroxide aq. KOH;
In sodium hydroxide aq. NaOH;

thiocyanic acid (463-56-9) + mercury(II) fulminate → Hg(2+)*2(SCN)(1-)*2(NH4)(1+)*2(SCN)(1-)=Hg(SCN)2*2NH4SCN + carbon dioxide (124-38-9) + mercury(II) thiocyanate (592-85-8) + mercury sulfide

Conditions	Yield
With persulfocyanic acid In water byproducts: NH3; dissolution in aq. solution of HSCN;
With persulfocyanic acid In water byproducts: NH3; dissolution in aq. solution of HSCN;

ammonium thiocyanate + mercury(II) fulminate → Hg(2+)*2(SCN)(1-)*2(NH4)(1+)*2(SCN)(1-)=Hg(SCN)2*2NH4SCN + carbon dioxide (124-38-9) + mercury(II) thiocyanate (592-85-8) + mercury sulfide

Conditions	Yield
With persulfocyanic acid In water byproducts: NH3;
With persulfocyanic acid In water byproducts: NH3;

{Hg(SCN)4}(2-) + dimercury(2+) (12596-26-8) → mercury(II) thiocyanate (592-85-8) + mercury(I) thiocyanate

Conditions	Yield
In water reaction described in connection with its equlibrium constant;
In water reaction described in connection with its equlibrium constant;

mercury(I) thiocyanate + dirhodane (1191-10-2) → mercury(II) thiocyanate (592-85-8)

Conditions	Yield
In carbon disulfide
In carbon disulfide

tetrahydrofuran (109-99-9) + lanthanum (7439-91-0) + mercury(II) thiocyanate (592-85-8) → [La(NCS)3(tetrahydrofuran)4]2

Conditions	Yield
In tetrahydrofuran byproducts: Hg; under N2 using Schlenk techniques; La powder (5.0 mmol) mixed with Hg(SCN)2 (2.5 mmol); thf added; stirred (ambient temp., 5 d); settled; filtered; concd.; crystd. (5°C); elem. anal.;	99%

2-methylimidazole (693-98-1) + mercury(II) thiocyanate (592-85-8) → (2-methylimidazolyl)HgSCN (93394-91-3)

Conditions	Yield
In water byproducts: HSCN; A mixt. of aq. soln. of reagents was stirred for 3 days;; elem. anal.;	98%
In ethanol an ethanolic soln. of ligands was added to a stirred ethanol suspn. of Hg(SCN)2, the mixt. was kept overnight in refrigerator;; water was added; ppt. was filtered; elem. anal.;

mercury(II) thiocyanate (592-85-8) + Hexafluoroacetone (684-16-2) → Bis<2,2,4,4-tetrakis(trifluormethyl)-4H-1,3,5-dioxazin-6-ylthio>quecksilber (93383-98-3)

Conditions	Yield
With triethylamine In acetonitrile under exclusion of moisture, (CF3)2CO, CH3CN and some drops Et3N condensed at -196°C to Hg(SCN)2, warmed to room temp., stirred for 24 h; CH3CN removed at E-2 Torr; elem. anal.;	98%

1,2,4-Triazole (288-88-0) + mercury(II) thiocyanate (592-85-8) → (1,2,4-triazolyl)Hg(SCN) (93369-29-0)

Conditions	Yield
In ethanol an ethanolic soln. of ligand was added to a stirred ethanol suspn. of Hg(SCN)2,; elem. anal.;	97%

mercury(II) thiocyanate (592-85-8) + 5-nitroindazole (5401-94-5) → (5-nitroindazole)Hg(SCN)2

Conditions	Yield
In ethanol an ethanolic soln. of ligand was added to a stirred ethanol suspn. of Hg(SCN)2, the mixt. was kept for 5 days;; elem. anal.;	95%

mercury(II) thiocyanate (592-85-8) + 4′‐(2‐thienyl)‐2,2′;6′,2″‐terpyridine (220525-65-5) → dithiocyanato(4'-(2-thienyl)-2,2':6',2''-terpyridine)mercury(II) (1288936-77-5)

Conditions	Yield
In methanol; chloroform Hg(SCN)2 in MeOH added to soln. of ligand in CHCl3; stirred at ambient temp. for 10 min; filtered; ppt. washed with cold MeOH and cold Et2O; dried over silica gel; recrystd. from DMSO-MeOH; elem. anal.;	95%

(2,2'-bipyridine)tetracarbonyltungsten(0) (15668-66-3) + mercury(II) thiocyanate (592-85-8) → (C5H4NC5H4N)*3(CO)*W*Hg(2+)*2(SCN)(1-)=(C5H4NC5H4N)(CO)3W*{Hg(SCN)2}

Conditions	Yield
In acetone byproducts: CO; to suspn. of W complex in acetone in the dark under N2 added mercury rodanide, stirred at room temp. until CO evolution is complete; filtered, washed with acetone, dried under vac.; elem. anal.;	93%

bis(η5-trimethylsilylcyclopentadienyl)bis(trimethylsilylethynyl)-titanium (128247-54-1) + mercury(II) thiocyanate (592-85-8) → (C5H4Si(CH3)3)2Ti(NCS)2 (82696-64-8) + mercury

Conditions	Yield
In tetrahydrofuran byproducts: (CH3)3SiCCCCSi(CH3)3; under N2; addn. of Hg(SCN)2 to Ti complex in THF at 0°C, stirring for 30 min at this temp.; filtration through Celite; removal of volatiles in vac. of oil pump, washing residue with cold n-pentane; elem. anal.;	A 93% B n/a

mercury(II) thiocyanate (592-85-8) + Cesium thiocyanate (3879-01-4) → dicesium tetrakis(thiocyanato)mercurate(II)

Conditions	Yield
In ethanol stoich. amts., boiling; crystn. on cooling, collection, washing (EtOH), drying in air; elem. anal.;	93%

mercury(II) thiocyanate (592-85-8) + potassium thioacyanate (333-20-0) + copper(II) acetate monohydrate (6046-93-1) + ethylenediamine (107-15-3) → [copper(II)mercury(II)(ethylenediamine)(μ-NCS-N,S)4]

Conditions	Yield
With malonic acid In methanol; water soln. of Cu salt and malonic acid in distd. H2O heated with stirring to 1/2 vol., cooled to room temp., C2N2H8 added, stirred, then added to soln. of Hg and K salts in MeOH/H2O (3:1, v/v); soln. filtered, left undisturbed at room temp. to ppt.; elem. anal.;	93%

mercury(II) thiocyanate (592-85-8) + Cesium thiocyanate (3879-01-4) → casium tris(thiocyanato)mercurate(II)

Conditions	Yield
In ethanol stoich. amts., boiling; crystn. on cooling, collection, washing (EtOH), drying in air; can be recrystallized (hot MeOH); elem. anal.;	92%

1H-imidazole (288-32-4) + mercury(II) thiocyanate (592-85-8) → mercury(II) imidazolate

Conditions	Yield
In water Aq. soln. of reagents were mixed;; elem. anal.;	91%

mercury(II) thiocyanate (592-85-8) + (1,3,5-triaza-7-phosphaadamantane) (53597-69-6) → PTAHg(SCN)2

Conditions	Yield
In methanol addn. of hot methanolic soln. of mercury salt to hot methanolic soln. of PTA, molar ratios Hg:PTA 1:2 and 1:1, immediate pptn. of mercury complex, filtered; washed with hot methanol; elem. anal.;	90%

9-ethyl-3,6-bis[2-(4-pyridyl)ethenyl]carbazole (437713-19-4) + mercury(II) thiocyanate (592-85-8) → (9-ethyl-3,6-bis[2-(4-pyridyl)ethenyl]carbazole)bis(thiocyanate)mercury(II)

Conditions	Yield
In methanol; dichloromethane soln. of carbazole derivative in CH2Cl2 layered onto soln. of Hg(SCN)2 in CH3OH, stored for several d; crystals isolated; elem. anal.;	90%

mercury(II) thiocyanate (592-85-8) + 1-hydrosilatrane → 1-isothiocyanato-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane (187027-67-4)

Conditions	Yield
In o-xylene at 20℃; for 1h;	90%

2-iodo-2-trifluoromethylperfluoropentane (102780-88-1) + mercury(II) thiocyanate (592-85-8) → 1,1,1,2,2,3,3,5,5,5-Decafluoro-4-thiocyanato-4-trifluoromethyl-pentane (125510-68-1)

Conditions	Yield
	89%

potassium hydridotris(3,5-dimethylpyrazolyl)borate (17567-17-8) + mercury(II) thiocyanate (592-85-8) → {hydrotris(3,5-dimethyl-1-pyrazolyl)borato}thiocyanatomercury(II)

Conditions	Yield
In dichloromethane under stirring; filtered, dried in vacuo until constant weight (20°C, 0.1 Torr), recrystd. (CH2Cl2-Et2O); elem. anal.;	89%

tetracarbonyl(2,9-dimethyl-1,10-phenanthroline)tungsten(0) (22718-70-3) + mercury(II) thiocyanate (592-85-8) → (C6H5NC2H2C6H5N)*3(CO)*W*Hg(2+)*2{(SCN)(1-)}={(C6H5NC2H2C6H5N)(CO)3W}*{Hg(2+)*2(SCN)(1-)}

Conditions	Yield
In acetone byproducts: CO; to suspn. of W complex in acetone in the dark under N2 added mercury rodanide, stirred at room temp. until CO evolution is complete; filtered, washed with acetone, dried under vac.; elem. anal.;	89%

(C12H8N2)(CO)3(C5H5N)Mo (15200-35-8) + mercury(II) thiocyanate (592-85-8) → (C12H8N2)(CO)3MoHg(SCN)2 (92451-74-6)

Conditions	Yield
In acetone under N2, in the absence of light, molar ratio complex:Hg(SCN)2=1:1, stirred for several minutes in the dark; filtered off, washed with acetone, dried in vac., elem. anal.;	88%

4-[4-(dimethylamino)phenyl]-2,6-bis(4-pyridinyl)pyridine + mercury(II) thiocyanate (592-85-8) → 2CNS(1-)*Hg(2+)*C23H20N4

Conditions	Yield
In methanol; dichloromethane at 20℃; for 168h; Sealed tube;	87.3%

ruthenium Cl(CO)(NO)(P(C6H5)3)2 + mercury(II) thiocyanate (592-85-8) → {Ru(SCN)2(HgSCN)(CO)(NO)(P(C6H5)3)}

Conditions	Yield
In ethanol; dichloromethane under N2, refluxed for 2 h; collected, washed (CH2Cl2, EtOH and Et2O); elem. anal.;	87%

tetracarbonyl(1,10-phenanthroline)tungsten(0) (14729-20-5) + mercury(II) thiocyanate (592-85-8) → (C5H3NC2H2C5H3N)*3(CO)*W*Hg(2+)*2(SCN)(1-)=(C5H3NC2H2C5H3N)(CO)3W*{Hg(SCN)2}

Conditions	Yield
In acetone byproducts: CO; to suspn. of W complex in acetone in the dark under N2 added mercury rodanide, stirred until CO evolution is complete; filtered, washed with acetone, dried under vac.; elem. anal.;	87%

lanthanum (7439-91-0) + 1,2-dimethoxyethane (110-71-4) + mercury(II) thiocyanate (592-85-8) → [La(NCS)3(1,2-dimethoxyethane)3]

Conditions	Yield
In 1,2-dimethoxyethane byproducts: Hg; under N2 using Schlenk techniques; La powder (6.3 mmol) mixed with Hg(SCN)2 (3.1 mmol); dme added; stirred (ambient temp., 3 d); settled; filtered; concd.; heated; dme added; filtered; crystd. (5°C); washed with toluene; elem. anal.;	87%

1,2-dimethoxyethane (110-71-4) + [Yb(NCS)2(tetrahydrofuran)2] + mercury(II) thiocyanate (592-85-8) → [Yb(NCS)3(1,2-dimethoxyethane)2]

Conditions	Yield
In 1,2-dimethoxyethane byproducts: Hg; under N2 using Schlenk techniques; Yb(NCS)2(thf)2 (0.46 mmol) mixed withHg(SCN)2 (0.23 mmol); stirred (room temp., 3 d); settled; filtered; concd.; toluene added; crystd. (room temp., 1 wk); elem. anal.;	87%

2-isopropylimidazole (36947-68-9) + mercury(II) thiocyanate (592-85-8) → (2-isopropylimidazole)2Hg(SCN)2

Conditions	Yield
In ethanol an ethanolic soln. of ligands was added to a stirred ethanol suspn. of Hg(SCN)2, the mixt. was kept overnight in refrigerator;; water was added; ppt. was filtered; elem. anal.;	86%

ammonium thiocyanate + phenyl(pyridin-2-yl)methanone (91-02-1) + mercury(II) thiocyanate (592-85-8) + copper dichloride → [CuHg(2-benzoylpyridine)(thiocyanate)4]n

Conditions	Yield
In methanol; water dissolving mixt. of ammonium and mercury thiocyanates in water, addn. tomethanolic soln. of copper compd. and pyridine deriv., stirring at room m temp. for 2 h; filtration, drying, recrystn. (methanol), elem. anal.;	85%

ammonium thiocyanate + copper(II) choride dihydrate + mercury(II) thiocyanate (592-85-8) + bis(pyrazol-1-yl)methane (27258-04-4) → [Cu(bis(pyrazol-1-yl)methane)Hg(SCN)4]n

Conditions	Yield
In methanol; water NH4SCN, Hg(SCN)2 dissolved in H2O, slowly added to MeOH soln. of CuCl2*2H2O and bis(pyrazol-1-yl)methane, stirred at room temp. for 6 h; filtered, dried in air, slowly recrystd. from MeOH; elem. anal.;	85%

ammonium thiocyanate + copper(II) choride dihydrate + mercury(II) thiocyanate (592-85-8) + bis(pyrazol-1-yl)methane (27258-04-4) → [Cu(bis(pyrazol-1-yl)methane)2Hg(thiocyanato)4]

Conditions	Yield
In methanol; water NH4SCN and Hg(SCN)2 dissolved in H2O; added slowly to MeOH soln. of Cu salt and ligand; stirred at room temp. for 6 h; filtered; ppt. dried in air; elem. anal.;	85%

ammonium thiocyanate + manganese(II) chloride tetrahydrate + mercury(II) thiocyanate (592-85-8) + bis(pyrazol-1-yl)methane (27258-04-4) → [Mn(bis(pyrazol-1-yl)methane)Hg(SCN)4](n)

Conditions	Yield
In methanol; water NH4SCN and Hg(SCN)2 dissolved in H2O; slowly added to MeOH soln. of Mn salt and ligand; stirred at room temp. for 6 h; filtered; ppt. dried in air; elem. anal.;	85%

Upstream product

• 333-20-0 potassium thioacyanate 
• 302-04-5 Thiocyanate 
• 1701-93-5 silver thiocyanate 
• 75-15-0 carbon disulfide 
• 7727-37-9 nitrogen 
• 1858-25-9 phosphoryl-isothiocyanate 
• 463-56-9 thiocyanic acid 
• 12596-26-8 dimercury⁽²⁺⁾ 
• 1191-10-2 dirhodane 

Downstream Products

• 57670-85-6 sulfur dirhodanide 
• 4119-52-2 iron(II) thiocyanate 
• 24277-44-9 (1-isothiocyanato-ethyl)-benzene 
• 32393-24-1 (+/-)-N-benzyl-N'-(1-phenyl-ethyl)-thiourea 
• 57182-66-8 C₁₆H₁₆N₄O₃S 
• 57182-65-7 C₁₅H₁₄N₄O₃S 
• 87656-46-0 (2-Isothiocyanato-1-propyl-pentylselanyl)-benzene 
• 74-90-8 hydrogen cyanide 
• 463-56-9 thiocyanic acid 
• 7783-06-4 hydrogen sulfide 
• 3688-08-2 ethylene diisothiocyanate 
• 1191-10-2 dirhodane 
• 463-56-9 thiocyanic acid 
• 117453-54-0 mercury(II) p-nitrobenzoylhydrazine (thiocyanide)2 

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