Benzenoids
Filtered Search Results
2,7-Dibromophenanthrene-9,10-dione 97.0+%, TCI America™
CAS: 84405-44-7 Molecular Formula: C14H6Br2O2 Molecular Weight (g/mol): 366.01 MDL Number: MFCD03931078 InChI Key: LTZIIBSPYWTOQV-UHFFFAOYSA-N PubChem CID: 265843 IUPAC Name: 2,7-dibromo-9,10-dihydrophenanthrene-9,10-dione SMILES: BrC1=CC=C2C3=CC=C(Br)C=C3C(=O)C(=O)C2=C1
| PubChem CID | 265843 |
|---|---|
| CAS | 84405-44-7 |
| Molecular Weight (g/mol) | 366.01 |
| MDL Number | MFCD03931078 |
| SMILES | BrC1=CC=C2C3=CC=C(Br)C=C3C(=O)C(=O)C2=C1 |
| IUPAC Name | 2,7-dibromo-9,10-dihydrophenanthrene-9,10-dione |
| InChI Key | LTZIIBSPYWTOQV-UHFFFAOYSA-N |
| Molecular Formula | C14H6Br2O2 |
Ethyl Abietate 80.0+%, TCI America™
CAS: 631-71-0 Molecular Formula: C22H34O2 Molecular Weight (g/mol): 330.51 MDL Number: MFCD00028860 InChI Key: AGUBCDYYAKENKG-YVNJGZBMSA-N Synonym: Abietic Acid Ethyl Ester, Ethyl Rosinate, Rosin Acid Ethyl Ester PubChem CID: 53642177 IUPAC Name: ethyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate SMILES: CCOC(=O)[C@]1(C)CCC[C@]2(C)[C@H]3CCC(=CC3=CC[C@@H]12)C(C)C
| PubChem CID | 53642177 |
|---|---|
| CAS | 631-71-0 |
| Molecular Weight (g/mol) | 330.51 |
| MDL Number | MFCD00028860 |
| SMILES | CCOC(=O)[C@]1(C)CCC[C@]2(C)[C@H]3CCC(=CC3=CC[C@@H]12)C(C)C |
| Synonym | Abietic Acid Ethyl Ester, Ethyl Rosinate, Rosin Acid Ethyl Ester |
| IUPAC Name | ethyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate |
| InChI Key | AGUBCDYYAKENKG-YVNJGZBMSA-N |
| Molecular Formula | C22H34O2 |
Sodium Abietate 95.0+%, TCI America™
CAS: 14351-66-7 Molecular Formula: C20H29NaO2 Molecular Weight (g/mol): 324.44 MDL Number: MFCD00058941 InChI Key: ITCAUAYQCALGGV-XTICBAGASA-M Synonym: Abietic Acid Sodium Salt PubChem CID: 133121851 IUPAC Name: sodium (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate SMILES: [Na+].CC(C)C1=CC2=CC[C@@H]3[C@](C)(CCC[C@@]3(C)C([O-])=O)[C@H]2CC1
| PubChem CID | 133121851 |
|---|---|
| CAS | 14351-66-7 |
| Molecular Weight (g/mol) | 324.44 |
| MDL Number | MFCD00058941 |
| SMILES | [Na+].CC(C)C1=CC2=CC[C@@H]3[C@](C)(CCC[C@@]3(C)C([O-])=O)[C@H]2CC1 |
| Synonym | Abietic Acid Sodium Salt |
| IUPAC Name | sodium (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate |
| InChI Key | ITCAUAYQCALGGV-XTICBAGASA-M |
| Molecular Formula | C20H29NaO2 |
3,4-Benzopyrene (purified by sublimation) 95.0+%, TCI America™
CAS: 50-32-8 Molecular Formula: C20H12 Molecular Weight (g/mol): 252.32 MDL Number: MFCD00003602 InChI Key: FMMWHPNWAFZXNH-UHFFFAOYSA-N Synonym: benzo a pyrene,3,4-benzopyrene,benzo pqr tetraphene,3,4-benzpyrene,benzpyrene,benzo def chrysene,6,7-benzopyrene,benz a pyrene,3,4-benz a pyrene PubChem CID: 2336 ChEBI: CHEBI:29865 IUPAC Name: pentacyclo[10.6.2.0²,⁷.0⁹,¹⁹.0¹⁶,²⁰]icosa-1(18),2,4,6,8,10,12,14,16,19-decaene SMILES: C1=CC=C2C(=C1)C=C1C=CC3=CC=CC4=CC=C2C1=C34
| PubChem CID | 2336 |
|---|---|
| CAS | 50-32-8 |
| Molecular Weight (g/mol) | 252.32 |
| ChEBI | CHEBI:29865 |
| MDL Number | MFCD00003602 |
| SMILES | C1=CC=C2C(=C1)C=C1C=CC3=CC=CC4=CC=C2C1=C34 |
| Synonym | benzo a pyrene,3,4-benzopyrene,benzo pqr tetraphene,3,4-benzpyrene,benzpyrene,benzo def chrysene,6,7-benzopyrene,benz a pyrene,3,4-benz a pyrene |
| IUPAC Name | pentacyclo[10.6.2.0²,⁷.0⁹,¹⁹.0¹⁶,²⁰]icosa-1(18),2,4,6,8,10,12,14,16,19-decaene |
| InChI Key | FMMWHPNWAFZXNH-UHFFFAOYSA-N |
| Molecular Formula | C20H12 |
C60MC12 97.0+%, TCI America™
CAS: 403483-19-2 Molecular Formula: C81H35N Molecular Weight (g/mol): 1022.178 InChI Key: YDAHEEMFHYNKKQ-UHFFFAOYSA-N Synonym: C60-fused N-Methylpyrrolidine-m-C12-phenyl PubChem CID: 53384414 SMILES: CCCCCCCCCCCCC1=CC=CC(=C1)C2C34C5=C6C7=C8C5=C9C1=C5C%10=C%11C%12=C%13C%10=C%10C1=C8C1=C8C7=C7C%14=C8C8=C%15C(=C%13C8=C%101)C1=C%12C8=C%10C1=C1C%15=C%14C%12=C1C1=C%10C%10=C%13C8=C%11C8=C5C9=C3C(=C%138)C3=C%10C1=C1C%12=C7C6=C1C43CN2C
| PubChem CID | 53384414 |
|---|---|
| CAS | 403483-19-2 |
| Molecular Weight (g/mol) | 1022.178 |
| SMILES | CCCCCCCCCCCCC1=CC=CC(=C1)C2C34C5=C6C7=C8C5=C9C1=C5C%10=C%11C%12=C%13C%10=C%10C1=C8C1=C8C7=C7C%14=C8C8=C%15C(=C%13C8=C%101)C1=C%12C8=C%10C1=C1C%15=C%14C%12=C1C1=C%10C%10=C%13C8=C%11C8=C5C9=C3C(=C%138)C3=C%10C1=C1C%12=C7C6=C1C43CN2C |
| Synonym | C60-fused N-Methylpyrrolidine-m-C12-phenyl |
| InChI Key | YDAHEEMFHYNKKQ-UHFFFAOYSA-N |
| Molecular Formula | C81H35N |
Picene (purified by sublimation) (>99.9%) 99.9+%, TCI America™
CAS: 213-46-7 Molecular Formula: C22H14 Molecular Weight (g/mol): 278.354 MDL Number: MFCD00215857 InChI Key: GBROPGWFBFCKAG-UHFFFAOYSA-N Synonym: 3,4-benzchrysene,pycene,benzo a chrysene,1,2:7,8-dibenzophenanthrene,beta,beta-binaphthyleneethene,dibenzo a,i phenanthrene,1,2,7,8-dibenzphenanthrene,unii-f70r8zbr7t,f70r8zbr7t PubChem CID: 9162 ChEBI: CHEBI:33090 IUPAC Name: picene SMILES: C1=CC=C2C(=C1)C=CC3=C2C=CC4=C3C=CC5=CC=CC=C54
| PubChem CID | 9162 |
|---|---|
| CAS | 213-46-7 |
| Molecular Weight (g/mol) | 278.354 |
| ChEBI | CHEBI:33090 |
| MDL Number | MFCD00215857 |
| SMILES | C1=CC=C2C(=C1)C=CC3=C2C=CC4=C3C=CC5=CC=CC=C54 |
| Synonym | 3,4-benzchrysene,pycene,benzo a chrysene,1,2:7,8-dibenzophenanthrene,beta,beta-binaphthyleneethene,dibenzo a,i phenanthrene,1,2,7,8-dibenzphenanthrene,unii-f70r8zbr7t,f70r8zbr7t |
| IUPAC Name | picene |
| InChI Key | GBROPGWFBFCKAG-UHFFFAOYSA-N |
| Molecular Formula | C22H14 |
9,10-Phenanthrenequinone 98.0+%, TCI America™
CAS: 84-11-7 Molecular Formula: C14H8O2 Molecular Weight (g/mol): 208.216 MDL Number: MFCD00001163 InChI Key: YYVYAPXYZVYDHN-UHFFFAOYSA-N Synonym: 9,10-phenanthrenequinone,phenanthrenequinone,9,10-phenanthrenedione,9,10-phenanthraquinone,phenanthraquinone,9,10-phenanthroquinone,9-10 phenanthrene quinone,unii-42l7bz8h74,ccris 7615,phenanthrene, 9,10-dihydro-9,10-dioxo PubChem CID: 6763 ChEBI: CHEBI:37454 IUPAC Name: phenanthrene-9,10-dione SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C(=O)C2=O
| PubChem CID | 6763 |
|---|---|
| CAS | 84-11-7 |
| Molecular Weight (g/mol) | 208.216 |
| ChEBI | CHEBI:37454 |
| MDL Number | MFCD00001163 |
| SMILES | C1=CC=C2C(=C1)C3=CC=CC=C3C(=O)C2=O |
| Synonym | 9,10-phenanthrenequinone,phenanthrenequinone,9,10-phenanthrenedione,9,10-phenanthraquinone,phenanthraquinone,9,10-phenanthroquinone,9-10 phenanthrene quinone,unii-42l7bz8h74,ccris 7615,phenanthrene, 9,10-dihydro-9,10-dioxo |
| IUPAC Name | phenanthrene-9,10-dione |
| InChI Key | YYVYAPXYZVYDHN-UHFFFAOYSA-N |
| Molecular Formula | C14H8O2 |
Benzo[a]phenanthrene (purified by sublimation) 98.0+%, TCI America™
CAS: 218-01-9 Molecular Formula: C18H12 Molecular Weight (g/mol): 228.294 MDL Number: MFCD00003698 InChI Key: WDECIBYCCFPHNR-UHFFFAOYSA-N Synonym: benzo a phenanthrene,1,2-benzophenanthrene,1,2-benzphenanthrene,1,2,5,6-dibenzonaphthalene,benz a phenanthrene,chrysen,rcra waste number u050,rcra waste no. u050 PubChem CID: 9171 ChEBI: CHEBI:51687 IUPAC Name: chrysene SMILES: C1=CC=C2C(=C1)C=CC3=C2C=CC4=CC=CC=C43
| PubChem CID | 9171 |
|---|---|
| CAS | 218-01-9 |
| Molecular Weight (g/mol) | 228.294 |
| ChEBI | CHEBI:51687 |
| MDL Number | MFCD00003698 |
| SMILES | C1=CC=C2C(=C1)C=CC3=C2C=CC4=CC=CC=C43 |
| Synonym | benzo a phenanthrene,1,2-benzophenanthrene,1,2-benzphenanthrene,1,2,5,6-dibenzonaphthalene,benz a phenanthrene,chrysen,rcra waste number u050,rcra waste no. u050 |
| IUPAC Name | chrysene |
| InChI Key | WDECIBYCCFPHNR-UHFFFAOYSA-N |
| Molecular Formula | C18H12 |
Triphenylene 96.0+%, TCI America™
CAS: 217-59-4 Molecular Formula: C18H12 Molecular Weight (g/mol): 228.29 MDL Number: MFCD00001108 InChI Key: SLGBZMMZGDRARJ-UHFFFAOYSA-N Synonym: 9,10-benzophenanthrene,isochrysene,9,10-benzphenanthrene,benzo l phenanthrene,1,2,3,4-dibenznaphthalene,benzophenanthrene,1,2:3,4-dibenznaphthalene,ccris 1301,triphenylen-1-yl PubChem CID: 9170 ChEBI: CHEBI:33080 IUPAC Name: triphenylene SMILES: C1=CC=C2C(=C1)C1=CC=CC=C1C1=CC=CC=C21
| PubChem CID | 9170 |
|---|---|
| CAS | 217-59-4 |
| Molecular Weight (g/mol) | 228.29 |
| ChEBI | CHEBI:33080 |
| MDL Number | MFCD00001108 |
| SMILES | C1=CC=C2C(=C1)C1=CC=CC=C1C1=CC=CC=C21 |
| Synonym | 9,10-benzophenanthrene,isochrysene,9,10-benzphenanthrene,benzo l phenanthrene,1,2,3,4-dibenznaphthalene,benzophenanthrene,1,2:3,4-dibenznaphthalene,ccris 1301,triphenylen-1-yl |
| IUPAC Name | triphenylene |
| InChI Key | SLGBZMMZGDRARJ-UHFFFAOYSA-N |
| Molecular Formula | C18H12 |
2-Triphenylenecarboxaldehyde 98.0+%, TCI America™
CAS: 96404-79-4 Molecular Formula: C19H12O Molecular Weight (g/mol): 256.30 MDL Number: MFCD29089374 InChI Key: NXDGVEYXRSKONY-UHFFFAOYSA-N PubChem CID: 13375435 IUPAC Name: triphenylene-2-carbaldehyde SMILES: O=CC1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1
| PubChem CID | 13375435 |
|---|---|
| CAS | 96404-79-4 |
| Molecular Weight (g/mol) | 256.30 |
| MDL Number | MFCD29089374 |
| SMILES | O=CC1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 |
| IUPAC Name | triphenylene-2-carbaldehyde |
| InChI Key | NXDGVEYXRSKONY-UHFFFAOYSA-N |
| Molecular Formula | C19H12O |
2,3,6,7,10,11-Hexakis(hexyloxy)triphenylene 98.0+%, TCI America™
CAS: 70351-86-9 Molecular Formula: C54H84O6 Molecular Weight (g/mol): 829.26 MDL Number: MFCD16250223 InChI Key: SQYCPYUKCAKHRN-UHFFFAOYSA-N PubChem CID: 10941839 IUPAC Name: 2,3,6,7,10,11-hexakis(hexyloxy)triphenylene SMILES: CCCCCCOC1=C(OCCCCCC)C=C2C(=C1)C1=CC(OCCCCCC)=C(OCCCCCC)C=C1C1=CC(OCCCCCC)=C(OCCCCCC)C=C21
| PubChem CID | 10941839 |
|---|---|
| CAS | 70351-86-9 |
| Molecular Weight (g/mol) | 829.26 |
| MDL Number | MFCD16250223 |
| SMILES | CCCCCCOC1=C(OCCCCCC)C=C2C(=C1)C1=CC(OCCCCCC)=C(OCCCCCC)C=C1C1=CC(OCCCCCC)=C(OCCCCCC)C=C21 |
| IUPAC Name | 2,3,6,7,10,11-hexakis(hexyloxy)triphenylene |
| InChI Key | SQYCPYUKCAKHRN-UHFFFAOYSA-N |
| Molecular Formula | C54H84O6 |
Bis-PCBM (mixture of isomers), TCI America™
CAS: 1048679-01-1 Molecular Formula: C84H28O4 Molecular Weight (g/mol): 1101.144 InChI Key: VESBOBHLCIVURF-UHFFFAOYSA-N Synonym: Bis[60]PCBM PubChem CID: 91972111 SMILES: COC(=O)CCCC1(C23C14C5=C6C7=C8C9=C1C7=C7C%10=C%11C%12=C7C7=C%13C%14=C%12C%12=C%15C%14=C%14C%16=C%17C%15=C%15C%18=C%12C%11=C(C%18=C2C2=C%15C%17=C%11C%12=C2C3=C2C5=C8C3=C2C%12=C2C%11=C%16C5=C8C2=C3C9=C8C(=C17)C%131C5%14C1(CCCC(=O)OC)C1=CC=CC=C1)C4=C%106)C1=C
| PubChem CID | 91972111 |
|---|---|
| CAS | 1048679-01-1 |
| Molecular Weight (g/mol) | 1101.144 |
| SMILES | COC(=O)CCCC1(C23C14C5=C6C7=C8C9=C1C7=C7C%10=C%11C%12=C7C7=C%13C%14=C%12C%12=C%15C%14=C%14C%16=C%17C%15=C%15C%18=C%12C%11=C(C%18=C2C2=C%15C%17=C%11C%12=C2C3=C2C5=C8C3=C2C%12=C2C%11=C%16C5=C8C2=C3C9=C8C(=C17)C%131C5%14C1(CCCC(=O)OC)C1=CC=CC=C1)C4=C%106)C1=C |
| Synonym | Bis[60]PCBM |
| InChI Key | VESBOBHLCIVURF-UHFFFAOYSA-N |
| Molecular Formula | C84H28O4 |
Violanthrone 79 95.0+%, TCI America™
CAS: 85652-50-2 Molecular Formula: C50H48O4 Molecular Weight (g/mol): 712.93 MDL Number: MFCD00491570 InChI Key: LLPQZABTDLOYAL-UHFFFAOYSA-N Synonym: violanthrone-79,violanthrone 79,anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,16,17-bis octyloxy,anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,1,16,17-bis n-octyloxy anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,16,17-bis octyloxy-anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,16,17-bis octyloxy anthra 9,1,2-cde-benzo rst pentaphene-5,10-dione,16,17-bis octyloxy anthra 9,1,2-cde benzo rst pentaphene-5,10-dione PubChem CID: 16217791 SMILES: CCCCCCCCOC1=C2C3=C(C=CC4=C3C(=C1)C5=CC=CC=C5C4=O)C6=C7C2=C(C=C8C7=C(C=C6)C(=O)C9=CC=CC=C98)OCCCCCCCC
| PubChem CID | 16217791 |
|---|---|
| CAS | 85652-50-2 |
| Molecular Weight (g/mol) | 712.93 |
| MDL Number | MFCD00491570 |
| SMILES | CCCCCCCCOC1=C2C3=C(C=CC4=C3C(=C1)C5=CC=CC=C5C4=O)C6=C7C2=C(C=C8C7=C(C=C6)C(=O)C9=CC=CC=C98)OCCCCCCCC |
| Synonym | violanthrone-79,violanthrone 79,anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,16,17-bis octyloxy,anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,1,16,17-bis n-octyloxy anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,16,17-bis octyloxy-anthra 9,1,2-cde benzo rst pentaphene-5,10-dione,16,17-bis octyloxy anthra 9,1,2-cde-benzo rst pentaphene-5,10-dione,16,17-bis octyloxy anthra 9,1,2-cde benzo rst pentaphene-5,10-dione |
| InChI Key | LLPQZABTDLOYAL-UHFFFAOYSA-N |
| Molecular Formula | C50H48O4 |
ICBA 98.5+%, TCI America™
CAS: 1207461-57-1 Molecular Formula: C78H16 Molecular Weight (g/mol): 952.986 MDL Number: MFCD20264904 InChI Key: HQCAMIYWHBVPQE-UHFFFAOYSA-N PubChem CID: 91972098 SMILES: C1C2C3=CC=CC=C3C1C45C26C7=C8C9=C1C2=C3C8=C8C6=C6C4=C4C%10=C%11C%12=C%13C%14=C%15C%16=C%17C(=C1C1=C2C2=C%18C%19=C%20C2=C3C8=C2C%20=C(C%10=C26)C2=C%11C3=C%13C%15=C6C%17=C1C%181C6(C3=C2%19)C2CC1C1=CC=CC=C21)C1=C%16C2=C%14C(=C%124)C5=C2C7=C19
| PubChem CID | 91972098 |
|---|---|
| CAS | 1207461-57-1 |
| Molecular Weight (g/mol) | 952.986 |
| MDL Number | MFCD20264904 |
| SMILES | C1C2C3=CC=CC=C3C1C45C26C7=C8C9=C1C2=C3C8=C8C6=C6C4=C4C%10=C%11C%12=C%13C%14=C%15C%16=C%17C(=C1C1=C2C2=C%18C%19=C%20C2=C3C8=C2C%20=C(C%10=C26)C2=C%11C3=C%13C%15=C6C%17=C1C%181C6(C3=C2%19)C2CC1C1=CC=CC=C21)C1=C%16C2=C%14C(=C%124)C5=C2C7=C19 |
| InChI Key | HQCAMIYWHBVPQE-UHFFFAOYSA-N |
| Molecular Formula | C78H16 |
[NH2Me2][(RuCl((S)-segphos(regR)))2(mu-Cl)3], TCI America™
CAS: 488809-34-3 Molecular Formula: C78H67Cl5NO8P4Ru2+ Molecular Weight (g/mol): 1649.678 MDL Number: MFCD09753037 InChI Key: GTKMQYLNAZIAEF-UHFFFAOYSA-M Synonym: Dimethylammonium Dichlorotri(mu-chloro)bis[(S)-(-)-5,5′C-bis(diphenylphosphino)-4,4′C-bi-1,3-benzodioxole]diruthenate(II) PubChem CID: 121233601 IUPAC Name: [4-(5-diphenylphosphanyl-1,3-benzodioxol-4-yl)-1,3-benzodioxol-5-yl]-diphenylphosphane;N-methylmethanamine;ruthenium;trichloronioruthenium(1-);chloride;hydrochloride SMILES: CNC.C1OC2=C(O1)C(=C(C=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)C5=C(C=CC6=C5OCO6)P(C7=CC=CC=C7)C8=CC=CC=C8.C1OC2=C(O1)C(=C(C=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)C5=C(C=CC6=C5OCO6)P(C7=CC=CC=C7)C8=CC=CC=C8.Cl.[Cl-].[ClH+][Ru-]([ClH+])[ClH+].[Ru]
| PubChem CID | 121233601 |
|---|---|
| CAS | 488809-34-3 |
| Molecular Weight (g/mol) | 1649.678 |
| MDL Number | MFCD09753037 |
| SMILES | CNC.C1OC2=C(O1)C(=C(C=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)C5=C(C=CC6=C5OCO6)P(C7=CC=CC=C7)C8=CC=CC=C8.C1OC2=C(O1)C(=C(C=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)C5=C(C=CC6=C5OCO6)P(C7=CC=CC=C7)C8=CC=CC=C8.Cl.[Cl-].[ClH+][Ru-]([ClH+])[ClH+].[Ru] |
| Synonym | Dimethylammonium Dichlorotri(mu-chloro)bis[(S)-(-)-5,5′C-bis(diphenylphosphino)-4,4′C-bi-1,3-benzodioxole]diruthenate(II) |
| IUPAC Name | [4-(5-diphenylphosphanyl-1,3-benzodioxol-4-yl)-1,3-benzodioxol-5-yl]-diphenylphosphane;N-methylmethanamine;ruthenium;trichloronioruthenium(1-);chloride;hydrochloride |
| InChI Key | GTKMQYLNAZIAEF-UHFFFAOYSA-M |
| Molecular Formula | C78H67Cl5NO8P4Ru2+ |