**Table 1:** Molecular and metal contents of UVES DLAs/sub-DLAs at $1.8<z_{\rm abs}\le 4.2$ .
Quasar	$z_{\rm em}$	$z_{\rm abs}$	$\log N(H {\sc i})$	[X/H]	[X/Fe]	X	$\Delta V$	$\log N$ (H₂)		$\log f$	Refs.
B1950							[km s^-1]	J=0	J=1
Q 0000-2619	4.11	3.390	$21.40\pm0.08$	$-2.06\pm0.09$	$-0.03\pm0.06$	Zn	33	<13.9	$\le$ 13.8	<-6.87	a,b
Q 0010-0012	2.15	2.025	$20.95\pm0.10$	$-1.43\pm0.11$	$-0.16\pm0.06$	Zn	32	<14.4	<14.5	<-5.80	c
Q 0013-0029	2.09	1.973	$20.83\pm0.05$	$-0.59\pm0.05$	$0.83\pm0.01$	Zn	720	18.86^+1.14_-1.14		-1.68^+1.07_-1.18	c,d,e
Q 0027-1836	2.56	2.402	$21.75\pm0.10$	$-1.63\pm0.10$	$0.65\pm0.03$	Zn	44	17.30^+0.07_-0.07		-4.15^+0.17_-0.17	f,g
Q 0039-3354	2.48	2.224	$20.60\pm0.10$	$-1.31\pm0.12$	$0.38\pm0.06$	Si	122	<13.8	<13.9	<-6.05	g,h
Q 0049-2820	2.26	2.071	$20.45\pm0.10$	$-1.31\pm0.12$	$0.14\pm0.06$	Si	51	<13.8	<14.0	<-5.84	g,h
Q 0058-2914	3.09	2.671	$21.10\pm0.10$	$-1.53\pm0.10$	$0.32\pm0.03$	Zn	34	<13.7	<14.2	<-6.38	c
Q 0100+1300	2.69	2.309	$21.35\pm0.08$	$-1.58\pm0.08$	$0.22\pm0.01$	Zn	37	<13.5	<13.9	<-6.92	h
Q 0102-1902	3.04	2.370	$21.00\pm0.08$	$-1.90\pm0.08$	$0.16\pm0.03$	S	17	<14.2	<14.8	<-5.72	c
Q 0102-1902	3.04	2.926	$20.00\pm0.10$	$-1.50\pm0.10$	$0.20\pm0.03$	Si	146	<12.8	<13.0	<-6.39	h
Q 0112-3030	2.99	2.418	$20.50\pm0.08$	$-2.42\pm0.08$	$0.16\pm0.04$	Si	31	<14.1	<14.3	<-5.61	c
Q 0112-3030	2.99	2.702	$20.30\pm0.10$	$-0.49\pm0.11$	$0.51\pm0.08$	Si	218	<14.1	<14.0	<-5.55	c
Q 0112+0259	2.81	2.423	$20.90\pm0.10$	$-1.31\pm0.11$	$0.24\pm0.04$	S	112	<14.1	<14.2	<-6.05	c
Q 0131+0345	4.15	3.692	$20.70\pm0.10$	<-2.55	<0.08	S	39	<13.7	<13.9	<-6.19	${h,\dagger}$
Q 0131+0345	4.15	3.774	$20.60\pm0.10$	$-0.70\pm0.10$	0.19	Si	128	<14.0	<14.0	<-5.90	${h,\ast}$
Q 0135-2722	3.21	2.800	$21.00\pm0.10$	$-1.40\pm0.10$	$0.33\pm0.04$	S	65	<14.3	<14.1	<-6.09	c
Q 0216+0803	2.99	2.293	$20.50\pm0.10$	$-0.70\pm0.11$	$0.42\pm0.05$	Zn	104	<14.3	<14.5	<-5.39	i
Q 0242-2917	3.27	2.560	$20.90\pm0.10$	$-1.99\pm0.10$	$0.05\pm0.04$	S	70	<14.5	<14.2	<-5.82	g,h
Q 0254-4025	2.28	2.046	$20.45\pm0.08$	$-1.55\pm0.09$	$0.23\pm0.04$	S	37	<14.2	<14.6	<-5.32	g,h
Q 0300-3152	2.37	2.179	$20.80\pm0.10$	$-1.80\pm0.11$	$0.29\pm0.04$	S	41	<14.5	<14.4	<-5.65	g,h
Q 0331-4506	2.67	2.411	$20.15\pm0.07$	<-1.41	<0.08	Si	31	<14.6	<14.8	<-4.77	g,h
Q 0335-1213	3.44	3.180	$20.65\pm0.10$	$-2.44\pm0.14$	$0.01\pm0.16$	Si	15	<14.9	<14.8	<-5.10	h,j
Q 0336-0143	3.20	3.062	$21.10\pm0.10$	$-1.41\pm0.10$	$0.40\pm0.03$	Si	67	<13.5	<13.5	<-6.90	h
Q 0347-3819	3.22	3.025	$20.73\pm0.05$	$-1.17\pm0.07$	$0.71\pm0.05$	Zn	93	14.53^+0.06_-0.06		-5.90^+0.11_-0.11	c,k
Q 0405-4418	3.02	2.550	$21.15\pm0.15$	$-1.36\pm0.16$	$0.24\pm0.04$	Zn	165	<13.9	<13.6	<-6.62	c
Q 0405-4418	3.02	2.595	$21.05\pm0.10$	$-1.12\pm0.10$	$0.34\pm0.05$	Zn	79	18.14^+0.07_-0.10		-2.61^+0.17_-0.20	c,l
Q 0405-4418	3.02	2.622	$20.45\pm0.10$	$-2.04\pm0.10$	$0.32\pm0.02$	Si	182	<13.3	<13.7	<-6.20	c
Q 0421-2624	2.28	2.157	$20.65\pm0.10$	$-1.86\pm0.10$	$0.32\pm0.01$	Si	47	<13.7	<13.9	<-6.14	g,h
Q 0425-5214	2.25	2.224	$20.30\pm0.10$	$-1.43\pm0.11$	$0.41\pm0.04$	S	40	<13.9	<14.1	<-5.59	g,h
Q 0432-4401	2.65	2.302	$20.95\pm0.10$	$-1.23\pm0.13$	$0.35\pm0.14$	Si	88	<15.1	<15.1	<-5.15	h,j
Q 0450-1310	2.25	2.067	$20.50\pm0.07$	$-1.62\pm0.08$	$0.14\pm0.04$	S	148	<13.5	<13.9	<-6.08	h
Q 0458-0203	2.29	2.040	$21.70\pm0.10$	$-1.22\pm0.10$	$0.65\pm0.04$	Zn	88	<14.6	<14.6	<-6.40	i,m
Q 0528-2505	2.77	2.811	$21.35\pm0.07$	$-0.91\pm0.07$	$0.46\pm0.01$	Zn	304	18.22^+0.11_-0.12		-2.83^+0.18_-0.19	b,l,n,o,p
Q 0551-3638	2.32	1.962	$20.70\pm0.08$	$-0.35\pm0.08$	$0.80\pm0.04$	Zn	468	17.42^+0.45_-0.73		-2.98^+0.53_-0.81	c,q
Q 0642-5038	3.09	2.659	$20.95\pm0.08$	$-1.05\pm0.09$	$0.30\pm0.04$	Zn	99	18.41^+0.03_-0.04		-2.24^+0.11_-0.12	h
Q 0841+1256	2.50	2.375	$21.05\pm0.10$	$-1.59\pm0.10$	$0.24\pm0.03$	Zn	37	$\le$ 14.56	<14.0	<-5.98	b
Q 0841+1256	2.50	2.476	$20.80\pm0.10$	$-1.60\pm0.10$	$0.22\pm0.04$	Zn	30	<13.7	<13.9	<-6.29	b
Q 0913+0714	2.78	2.618	$20.35\pm0.10$	$-2.59\pm0.10$	$0.16\pm0.03$	Si	22	<13.7	<13.8	<-5.90	h
Q 0933-3319	2.91	2.682	$20.50\pm0.10$	$-1.27\pm0.14$	$0.28\pm0.14$	Si	312	<14.9	<14.4	<-5.08	h,j
Q 0951-0450	4.37	4.203	$20.55\pm0.10$	$-2.68\pm0.10$	>0.04	Si	15	<13.2	<13.3	<-6.60	${h,\dagger}$
Q 1036-2257	3.13	2.778	$20.93\pm0.05$	$-1.36\pm0.05$	$0.31\pm0.01$	S	80	<13.0	<13.0	<-7.28	h
Q 1108-0747	3.92	3.608	$20.37\pm0.07$	$-1.59\pm0.07$	$0.40\pm0.02$	Si	31	<14.0	<14.2	<-5.59	h
Q 1111-1517	3.37	3.266	$21.30\pm0.05$	$-1.65\pm0.11$	$0.34\pm0.09$	Zn	140	<13.1	<13.4	<-7.37	h
Q 1117-1329	3.96	3.351	$20.95\pm0.10$	$-1.41\pm0.11$	$0.23\pm0.06$	Zn	43	<14.0	<13.6	<-6.40	c
Q 1157+0128	1.99	1.944	$21.80\pm0.10$	$-1.44\pm0.10$	$0.39\pm0.01$	Zn	89	<14.4	<14.5	<-6.65	b
Q 1209+0919	3.30	2.584	$21.40\pm0.10$	$-1.01\pm0.10$	$0.53\pm0.03$	Zn	214	<14.9	<15.1	<-5.69	i
Q 1220-1800	2.16	2.113	$20.12\pm0.07$	$-0.93\pm0.07$	$0.34\pm0.02$	S	95	<13.8	<14.0	<-5.54	g,h
Q 1223+1753	2.94	2.466	$21.40\pm0.10$	$-1.63\pm0.10$	$0.06\pm0.02$	Zn	91	<13.9	<14.1	<-6.69	b
Q 1232+0815	2.57	2.338	$20.90\pm0.08$	$-1.43\pm0.08$	$0.45\pm0.01$	S	85	19.57^+0.10_-0.10		-1.07^+0.16_-0.17	b,l,r,s
Q 1337+1121	2.92	2.508	$20.12\pm0.05$	$-1.81\pm0.06$	$0.41\pm0.04$	Si	32	<13.8	<14.2	<-5.42	c
Q 1337+1121	2.92	2.796	$21.00\pm0.08$	$-1.86\pm0.09$	$0.31\pm0.04$	Si	42	<13.7	<13.5	<-6.71	c
Q 1340-1340	3.20	3.118	$20.05\pm0.08$	$-1.42\pm0.08$	$0.20\pm0.03$	S	153	<12.5	<12.9	<-6.62	h
Q 1354-1046	3.01	2.501	$20.44\pm0.05$	$-1.51\pm0.11$	$0.08\pm0.14$	S	71	<14.7	<14.5	<-5.18	h,j
Q 1354-1046	3.01	2.967	$20.80\pm0.10$	$-1.39\pm0.10$	$0.28\pm0.06$	Si	30	<13.1	<13.5	<-6.75	h,j
Q 1418-0630	3.69	3.448	$20.50\pm0.10$	$-1.43\pm0.13$	$0.39\pm0.10$	Si	35	<14.0	<14.2	<-5.69	h,j
Q 1441+2737	4.42	4.224	$20.95\pm0.10$	$-0.63\pm0.10$	$0.49\pm0.03$	Zn	130	18.29^+0.07_-0.08		-2.36^+0.17_-0.18	i,t
Q 1444+0126	2.21	2.087	$20.25\pm0.07$	$-0.80\pm0.09$	$0.95\pm0.07$	Zn	294	18.16^+0.14_-0.12		-1.80^+0.21_-0.19	c
Q 1451+1223	3.25	2.469	$20.40\pm0.10$	$-2.27\pm0.13$	$0.25\pm0.08$	Si	35	<15.2	<15.2	<-4.50	b
Q 1451+1223	3.25	3.171	$20.20\pm0.20$	$-2.10\pm0.21$	$0.25\pm0.10$	Si	45	<13.6	<13.6	<-5.80	b
Q 2059-3604	3.09	2.507	$20.29\pm0.07$	$-1.85\pm0.20$	$0.44\pm0.19$	S	25	<14.5	<14.6	<-5.07	c
Q 2059-3604	3.09	3.083	$20.98\pm0.08$	$-1.77\pm0.09$	$0.23\pm0.04$	S	44	<13.4	<13.5	<-6.85	b
Q 2116-3550	2.34	1.996	$20.10\pm0.07$	$-0.34\pm0.11$	$0.54\pm0.09$	Zn	177	<14.5	<14.8	<-4.75	i
Q 2138-4427	3.17	2.852	$20.98\pm0.05$	$-1.74\pm0.05$	$0.11\pm0.03$	Zn	58	<13.4	<13.6	<-6.82	c
Q 2206-1958	2.56	1.921	$20.67\pm0.05$	$-0.54\pm0.05$	$0.29\pm0.01$	Zn	136	<14.4	<14.7	<-5.44	i
Q 2206-1958	2.56	2.076	$20.44\pm0.05$	$-2.32\pm0.05$	$0.28\pm0.02$	Si	20	<13.2	<13.6	<-6.34	h
Q 2222-3939	2.18	2.154	$20.85\pm0.10$	$-1.97\pm0.10$	$-0.04\pm0.04$	S	21	<13.8	<13.8	<-6.35	g,h
Q 2228-3954	2.21	2.095	$21.20\pm0.10$	$-1.36\pm0.12$	$0.17\pm0.07$	Zn	138	<13.8	<14.0	<-6.59	g,h
Q 2230+0232	2.15	1.864	$20.90\pm0.10$	$-0.81\pm0.10$	$0.24\pm0.01$	S	148	<15.4	<15.4	<-4.80	i
Q 2243-6031	3.01	2.331	$20.65\pm0.05$	$-0.85\pm0.05$	$0.35\pm0.02$	Zn	173	<13.8	<13.9	<-6.15	i
Q 2311-3721	2.48	2.182	$20.55\pm0.07$	$-1.57\pm0.10$	$0.26\pm0.05$	Si	77	<14.7	<15.0	<-5.00	h,j
Q 2318-1107	2.96	1.989	$20.68\pm0.05$	$-0.85\pm0.06$	$0.42\pm0.03$	Zn	207	15.49^+0.03_-0.03		-4.89^+0.08_-0.08	f,g
Q 2332-0924	3.32	3.057	$20.50\pm0.07$	$-1.33\pm0.08$	$0.30\pm0.03$	S	111	<13.2	<13.5	<-6.45	c
Q 2343+1232	2.51	2.431	$20.40\pm0.07$	$-0.87\pm0.10$	$0.51\pm0.07$	Zn	289	13.69^+0.09_-0.09		-6.41^+0.16_-0.16	f,i
Q 2344+1229	2.76	2.538	$20.50\pm0.10$	$-1.81\pm0.10$	$0.18\pm0.01$	Si	69	<13.4	<13.4	<-6.40	h
Q 2348-0108	3.01	2.426	$20.50\pm0.10$	$-0.62\pm0.10$	$0.55\pm0.02$	S	248	18.52^+0.29_-0.49		-1.69^+0.38_-0.58	i,u
Q 2348-0108	3.01	2.615	$21.30\pm0.08$	$-2.02\pm0.08$	$0.13\pm0.01$	Si	95	<13.1	<13.6	<-7.20	h,u
Q 2348-1444	2.94	2.279	$20.63\pm0.05$	$-2.10\pm0.08$	$0.25\pm0.10$	S	55	<13.6	<13.6	<-6.38	h