| Sandwich Complexes | DOI | CCDC code |
A FeCp2 | doi.org/10.1107/S0108768197005132 | FEROCE27 131686 |
| RuCp2 | doi.org/10.1107/S0567740880010588 | CYCPRU07 1134586 |
| FeCp2BF4 | doi.org/10.1016/j.ica.2007.03.049 | AFALID 632409 |
| FeCp(C6H6)AlBr4 | doi.org/10.1016/j.ica.2007.03.049 | AFALEZ 632408 |
| Ru(C6H6)CpPF6 | doi.org/10.1039/a808278b | BIBXUF01 1110148 |
B Co(C4H4)Cp | doi.org/10.1016/S0022-328X(00)96130-8 | CBCPCO 1121368 |
| CoCp2 | doi.org/10.1007/BF00677370 | DCYPCO04 1137582 |
| CoCp2Cl | doi.org/10.1039/b205782d | AHETIQ 188487 |
| Co(C6H6)(C4Me4)PF6 | Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya (2014) 2290 | BAFNEE 1005340 |
C CrCp2 | doi.org/10.1016/0022-328X(95)05747-D | CYCPCR01 1134578 |
| Cr(C6H6)2 | doi.org/10.1016/S0022-328X(00)82388-8 | DBENCR03 1137243 |
| Cr(C6H6)2Br | Crystal Structure Communications (1981) 10, 1531 | BAWGEL 1106645 |
| Cr(C6H6)(C10H8) | doi.org/10.1016/0022-328X(85)88005-0 | CUWXUN 1134108 with added H |
D VCp2 | doi.org/10.1107/S0108768195012213 | CPNDYV03 131565 |
| VCp(C6H6) | doi.org/10.1021/om0497442 | WADVON01 1289240 |
| VCp(C7H7) | doi.org/10.5517/cc5q0tp | CPLHLV01 17012 |
| KNbCp(C7H7) | doi.org/10.1039/C39920000314 | KOSMEK 1199552 |
E MnCp*2 | doi.org/10.1021/ja00498a017 | DMCPMN 1142566 |
| ReCp*2 | doi.org/10.1021/ja00223a023 | GICFON 1167328 |
| Re(C6H6)2BF4 | doi.org/10.1016/j.jorganchem.2012.12.037 | PEVDEB 906764 |
| MnCp(C7H7)PF6 | doi.org/10.1021/acs.organomet.1c00376 | UYUROY 2079152 |
| Tc(C6H6)2)PF6 | doi.org/10.1039/C4SC02461C | DOSQIN 1017765 |
F Ti(C6H6)2 | doi.org/10.1002/chem.201500737 | BELGOO11 1030722 |
| TiCp(C7H7) | doi.org/10.1016/S0022-328X(00)85010-X | CPCHTI 1130909 |
| TiCp(C8H8) | doi.org/10.1016/S0022-328X(00)87847-X | CPCOTI 1130946 |
| NiCp2 | doi.org/10.1107/S0567740880008539 | NCKLCN 1217918 |
G KU(C7H7)2 | doi.org/10.1039/c39950000183 | YIJKOR 1302984 |
| U(C8H8)2 | doi.org/10.1021/ic50111a034 doi.org/10.1021/ja01048a055 | URACEN10 1278438 |
| Nd(C8H8)(C9H9) | doi.org/10.1038/s41467-019-10976-6 | UYOPTAB 1894447 |
| KCe(C8H8)2 | doi.org/10.1021/ic50118a031 | KECOCE10 1194083 |
H Ni(C6H6)(PCy3) | doi.org/10.1039/C7CC08416A | GEKZEE 1580329 without disorder |
| Ni(C4Ph4)(PEt3)2 | doi.org/10.1515/znb-1985-0511 | DAJJON 1135678 |
| Ni2Cp2(PPh2)2 | doi.org/10.1021/ja00979a013 | PCPNID 1229479 with added H |
| Ti2Cp4(PMe2)2 | Zeitschrift fur Naturforschung, B:Chemical Sciences (1986) 41, 1535 | FAGYUH 1151764 with added H |
I CoCp(CO)2 | doi.org/10.1107/S0108270198002078 | NUTHEP 130319 |
| Ir(C6H6)(PPh3)2PF6 | doi.org/10.1021/acs.organomet.7b00676 | XERLIS 1572833 |
| VCp(CO)4 | doi.org/10.1002/cber.19881210903 | CPNPVC01 1131312 with added H |
| NbCp(C4Ph4)Cl2 | doi.org/110.1021/om00035a036 | HASLOC 1172559 |
J W(C7H7)I(CO)2 | doi.org/10.1134/S1070328419050038 | GORLIL 1875096 |
| Mo(C7H7)(CO)3BF4 | doi.org/10.1016/S0022-328X(00)95105-2 | CYHMOC10 1134624 |
| W(C7H7)(PPh3)2(CO)BF4 | doi.org/10.1016/j.jorganchem.2006.01.013 | YEJXER 288657 |
| Nb(C7H7)(PMe2CH2CH2PMe2)(CO) | doi.org/10.1016/S0277-5387(00)80161-8 | KIZNAI 1198124 |
K Cr(C6H6)(CO)3 | doi.org/10.1021/ic50031a017 | BZCRCO 1118183 |
| Mo(C6H6)(CO)3 | doi.org/10.1107/S0108768191014404 | KUJLEG 1200864 |
| WCp(CO)3Cl | doi.org/10.1021/ic50221a051 | BACFAM 1104635 |
| MnCp(CO)3 | doi.org/10.1021/ic50223a023 | CPMNCO01 1131212 |
| Fe(C4H4)(CO)3 | doi.org/10.1021/ic00274a013 | FURROZ 1161541 |
L FeCp(CO)3PF6 | doi.org/10.1021/ic50126a008 | CPFEFP 1131060 |
| RuCp(CO)2I | doi.org/10.1107/S1600536806020186 | ADENAZ 613660 |
| RuCp(OH2)3SO4 | doi.org/10.1021/ic00281a009 | GAWTED 1164469 |
| Ru(C6H6)(CO)H(PCy3)BF4 | doi.org/10.1021/om100051h | IKEKIT 810611 |
M ReCp(C4Ph4)(CO) | doi.org/10.1016/S0022-328X(96)06705-8 | RIKJUQ 1250007 |
| ReCp(C4Ph4)H2 | doi.org/10.1039/a704076h | RUPZAD 1253008 |
| ReCp(C4Ph4)Br2 | doi.org/10.1039/a704076h | RUPYUW 1253007 |
| RuCp(C4Ph4)(CH3CN)BF4 | doi.org/10.1039/dt9870002803 | IMVID10 1125740 |
N TiCp2(CO)2 | doi.org/10.1016/S0022-328X(00)93722-7 | TITODC10 1271608 |
| ZrCp2(CO)2 | doi.org/10.1021/ic50214a044 | CCPZRA 1121627 |
| TiCp2Cl2 | doi.org/10.1139/v75-228 | CDCPTI01 1121676 |
| TiCp2(OH2)2(NO3)2 | doi.org/10.1002/zaac.19814760508 | AQCPTJ 1103453 |
| HfCp(C7H7)(PMe3) | doi.org/10.1016/j.jorganchem.2009.01.055 | XOVGOF 713618 |
O VCp2Cl | doi.org/10.1016/S0022-328X(00)80841-4 | DCPVCL 1137543 |
| MoCp2H2 | doi.org/10.1021/ic50178a063 | HCYPMO02 1173408 |
| ReCp*(CO)3Br+ | doi.org/10.1016/S0277-5387(97)00500-7 | SUTRUU 106696 |
| Nb(C7H7)(PMe2CH2CH2PMe2)(CO) | doi.org/10.1016/S0277-5387(00)80161-8 | KIZNAI 1198124 |
P YCp3 | doi.org/10.1002/ejic.202000436 | SIXZEE01 1999525 |
| Sc2Cp4Cl2 | doi.org/10.1039/dt9730002487 | DCCPSC 1137398 | Y2Cp4(C4H8O)2Cl2 | doi.org/10.5517/cc9vq61 | MIRCOG 293793 |
| Fe4Cp4(CO)4 | doi.org/10.1021/ja00765a021 | CPFTEC 1131090 |
Q U(C8H8)2(CN)– | doi.org/10.1021/om800006u | KOCMUL 688084. |
| UCp*2(CN)3-2 | doi.org/10.1002/anie.200604114 | VEZXUU 622923 |
| UCp*2(CN)5-2 | doi.org/10.1002/anie.200604114 | VEZYIJ 622926 |
| UCp*2(acac)2 | doi.org/10.5517/cc115s88 | ZIXHUL 958869 |
R TiCp2(acac) | doi.org/10.1016/0020-1693(95)90052-8 | HIDPOZ 1176085 |
| RuCp*(acac)(P(OMe)3) | doi.org/10.1002/anie.199007731 | KEYXIV )1195880 |
| cis-Fe2Cp2(CO)4 | doi.org/10.1039/j19700003068 | CPFECO10 1131057 |
| trans-Fe2Cp2(CO)4 | doi.org/10.1021/ja00765a021 | CPFTEC 1131090 |
| Rh(C6H6)(PPh2CH2CH2PPh2)BF4 | doi.org/10.1002/chem.201201587 | DEJTIX 734951 |
S FeCp(CN)(CO)2 | doi.org/10.1021/ic010683z | ACODUR 176495 |
| KFeCp(CO)2 | Zeitschrift fur Naturforschung, B:Chemical Sciences (1991) 46, 621 | TAJXUX 1265783 |
| KFeCp(CN)2(PPh3) | doi.org/10.1002/ejic.200300304 | AVETUQ 211280 |
| K2FeCp(CN)3) | doi.org/10.1016/j.ica.2005.06.027 | KATYOU 267184 |
T KFeCp*(CN)2(CO) | doi.org/10.1021/ja982053a | HEQFEO 1174727 |
| CoCp(CN)2(PPh3) | doi.org/10.1016/j.ica.2003.11.016 | AWOQIM 222678 |
| KCoCp(CN)3 | doi.org/10.1016/j.ica.2003.11.016 | YEQGIK01 222676 |
| (PhNH3)CoCp(CN)3 | doi.org/10.1002/ejic.200700001 | CIGTUI 632475 |
U Ru2(C6H6)2Cl4 | doi.org/10.1016/j.molstruc.2014.03.046 | CICCOH01 988700 |
| Ru(C6H6)Br3Re(CO)3 | doi.org/10.1039/b004262p | WOGLIN 150602 |
| Co4(C6H6)(CO)9 | doi.org/10.1016/S0022-328X(00)80386-1 | BNZCTC 1112718 |
| CoCp(C4Ph4)Cr4(CO)12 | doi.org/10.1016/0022-328X(94)87104-3 | YEPPAK 1301445 |
V Mo(C7H7)(CO)2MoCp(CO)3 | doi.org/10.1107/S0108270188009643 | JACFOI 1181531 |
| Mo(C7H7)(CO)2RuCp(CO)2 | doi.org/10.1016/0022-328X(91)86413-K | KOPBIA 1199320 |
| Mo2(C7H6-C7H6)I(CO)4PF6 | doi.org/10.1039/dt9950003231 | ZEWNOE 1311688 |
| Mo3Cp3(CO)6(P=O) | doi.org/10.1039/a606262h | TUCFAY 121832 |
W Mo3Cp3(CO)6As | doi.org/10.1002/cber.19881210122 | CUXJOU10 1134154 with added H |
| Ni3Cp*3(CO)3Sb | Zeitschrift fur Anorganische und Allgemeine Chemie (2000) 626, 444 | LIRMUU 134632 |
| Ni3Cp*3As5 | doi.org/10.1002/cber.19901230310 | VELSOU 1281902 with added H |
| Co4Cp4P4 | doi.org/10.1021/ja00788a015 | CPCOPT 1130940 |
X RuCp*RhCp*(C6H6)Cl3 | doi.org/10.1002/ejic.200500692 | JECVET 279179 |
| Ru(C6H6)2[Ru(C6H6)Cl3]2 | doi.org/10.5517/cc14k810 | KUGCEW 1059271 |
| Cr2Cp2(CO)4H(PMe2) | doi.org/10.1021/om0203680 | WUMJIX 173120 |
| Fe(C5H4PPh2)2Pt(P(CH3)2OH)(CF3SO3)2 | doi.org/10.1021/acscatal.1c02254 | ADIBAU 2052650 |