Hydrogen
|
hydride
|
1.1
|
tetrahydroborate
|
1.2
|
Boron
|
borohydrides
|
2.1
|
boranes/carbaboranes
|
2.2
|
boroles, borylenes, other heteroboracycles
|
2.3
|
Carbon
|
carbide (C)
|
3.1
|
carbyne/alkylidyne (CR)
|
3.2
|
vinylidene/alkenylidene (CCR2)
|
3.3
|
acetylide/alkynyl (CCR)
|
3.4
|
cyano (CN)
|
3.5
|
isocyanides (CNR)
|
3.6
|
carbon monoxide (CO)
|
3.7
|
thiocarbonyl (CS)
|
3.8
|
carbene/alkylidene (CR2)
|
3.9
|
vinyl/alkenyl (CRCR2)
|
3.10
|
aryl (C6R5)
|
3.11
|
acyl [C(O)R]
|
3.12
|
alkyl (CR3)
|
3.13
|
η-alkenes (C2R4, allenes, etc.)
|
3.14
|
alkynes (RCCR)
|
3.15
|
ligands (allyls, etc.)
|
3.16
|
ligands (conjugated dienes, etc.)
|
3.17
|
ligands (dienyls, etc.)
|
3.18
|
ligands (arenes, etc.)
|
3.19
|
ligands
|
3.20
|
carbaboranes, boroles
|
3.21
|
miscellaneous (CO2, CS2, etc.)
|
3.22
|
Nitrogen
|
nitride (N)
|
4.1
|
nitrene/imide (NR)
|
4.2
|
methyleneamido (N=CR2)
|
4.3
|
nitriles (NCR)
|
4.4
|
isocyanate, isothiocyanate (NCO, NCS)
|
4.5
|
dinitrogen (N2)
|
4.6
|
diazonium (N2R), diazoalkanes (N2CR2)
|
4.7
|
azide (N3)
|
4.8
|
nitrosyl, thionitrosyl (NO, NS)
|
4.9
|
amide (NR2)
|
4.10
|
amidinate [RNC(R)NR]
|
4.11
|
Schiff bases
|
4.12
|
phthalocyanines, porphyrins, pyrroles
|
4.13
|
pyrazolate, imidazolate and derivatives
|
4.14
|
pyridine, polypyridyls (bpy, o-phen)
|
4.15
|
pyrazines, pyridazines, pyrimidines
|
4.16
|
other N2 ligands (NRNR2, NNR2, NRNR)
|
4.17
|
triazenido (RNNNR)
|
4.18
|
hydrazones and related species (NR2N=CR)
|
4.19
|
oximes
|
4.20
|
N-nitrite (NO2)
|
4.21
|
amine (NR3)
|
4.22
|
borazines
|
4.23
|
Oxygen
|
oxo (O)
|
5.1
|
hydroxy (OH)
|
5.2
|
alkoxy, aryloxy, etc. (OR)
|
5.3
|
O-ketones (OCR2), urea
|
5.4
|
carboxylates (O2CR)
|
5.5
|
oxalate (O2CCO2)
|
5.6
|
acetylacetonates [RC(O)CRC(O)CR]
|
5.7
|
α,β-diones (e.g. o-quinones)
|
5.8
|
carbonate
|
5.9
|
N-oxides (e.g. pyridine N-oxide)
|
5.10
|
nitrate
|
5.11
|
O-nitrite
|
5.12
|
dioxygen, peroxides
|
5.13
|
phosphine oxides (OPR3)
|
5.14
|
phosphate
|
5.15
|
other P—O anions
|
5.16
|
O-dialkyl sulfoxides (OSR2)
|
5.17
|
sulfate
|
5.18
|
other S—O anions (sulfonates, etc.)
|
5.19
|
O-SO2
|
5.20
|
other oxyanions (e.g. )
|
5.21
|
aqua
|
5.22
|
alcohols (ROH)
|
5.23
|
ethers (ROR′)
|
5.24
|
miscellaneous ( -acyl, -CO2, μ-NCO)
|
5.25
|
Fluorine
|
fluoride (F)
|
6.1
|
fluoroanions ( , )
|
6.2
|
Silicon
|
miscellaneous
|
7.1
|
Phosphorus
|
phosphorus (P)
|
8.1
|
phosphinidenes (PR)
|
8.2
|
phosphides (PR2)
|
8.3
|
oligo-phosphorus ligands (P3, PR2PR2, PRPR, etc.)
|
8.4
|
phosphines (PR3)
|
8.5
|
diphosphines (e.g. diphos)
|
8.6
|
phosphites [P(OR)3]
|
8.7
|
aminophosphines, cyclotriphosphazenyl, misc. P—N ligands
|
8.8
|
Sulfur
|
sulfides (S)
|
9.1
|
thiolates (SR)
|
9.2
|
S-thiocyanate (SCN)
|
9.3
|
thioketones, thiourea (S=CR2)
|
9.4
|
thiocarboxylates (S2CR−)
|
9.5
|
thiocarbamates
|
9.6
|
xanthates (S2COR−), dithiocarbonates
|
9.7
|
trithiocarbonate , thioxanthates
|
9.8
|
α,β-dithiones
|
9.9
|
phosphine sulfides
|
9.10
|
dithiophosphinates
|
9.11
|
polysulfur ligands (S2, SSR, etc.)
|
9.12
|
thioethers (SR2)
|
9.13
|
S-SO2, S-SO3, etc.
|
9.14
|
disulfides (RSSR)
|
9.15
|
S-dialkyl sulfoxides (R2SO)
|
9.16
|
miscellaneous ( -CS2)
|
9.17
|
Chlorine
|
chloride (Cl)
|
10.1
|
Arsenic
|
arsines (AsR3)
|
11.1
|
miscellaneous
|
11.2
|
Selenium
|
miscellaneous
|
12.1
|
Bromine
|
bromide (Br)
|
13.1
|
Tellurium
|
miscellaneous
|
14.1
|
Iodine
|
iodide (I)
|
15.1
|