| # | Species | Formula |
| 3669 | Copper(I) chloride | ClCu | |
| 3670 | Copper(I) chloride (Geo) | ClCu | |
| 3671 | Copper(III) oxide chloride | OClCu | |
| 3672 | Copper(III) oxide chloride (Geo) | OClCu | |
| 3673 | Methyl copper(II) dichloride (Geo) | CH3Cl2Cu | |
| 3674 | Cu(II)N2Cl2 (AEPYCC10) (Geo) | C7H10N2Cl2Cu | |
| 3675 | Cu(II)N2Cl2 (AEPYCC10) | C7H10N2Cl2Cu | |
| 3676 | Cu(II)N3Cl2 (CLAZCU) (Geo) | C6H15N3Cl2Cu | |
| 3677 | Cu(II)N3Cl2 (CLAZCU) | C6H15N3Cl2Cu | |
| 3678 | Copper(II) dichloride, dihydrate (Geo) | H4O2Cl2Cu | |
| 3679 | Cu(II)O2Cl2 (CETDCU10) (Geo) | C2H6O2Cl2Cu | |
| 3680 | Cu(II)O2Cl2 (CETDCU10) | C2H6O2Cl2Cu | |
| 3681 | Cu(II)Cl2O2N2 (AQCYCU) (Geo) | C4H12N8O2Cl2Cu | |
| 3682 | Cu(II)Cl2O2N2 (AQCYCU) | C4H12N8O2Cl2Cu | |
| 3683 | Cu(II)Cl2S2 (BOSMIF) (Geo) | C6H14S2Cl2Cu | |
| 3684 | Cu(II)Cl2S2 (BOSMIF) | C6H14S2Cl2Cu | |
| 3685 | Copper(II) trichloride, anion | Cl3Cu | |
| 3686 | Copper(II) trichloride, anion (Geo) | Cl3Cu | |
| 3687 | Cu(II)Cl4(2-) (AGAWIO) (Geo) | Cl4Cu | |
| 3688 | Cu(II)Cl4(2-) (AGAWIO) | Cl4Cu | |
| 3689 | Copper(II) tetrachloride, dianion (Geo) | Cl4Cu | |