Shaking In The Infra Red Crystals

Cont'd from the previous post "Shaking In The Infra Red" dated 24 Dec 2018.

We have covalent radii of the elements of the periodic table, commonly found in crystals.

atomic no.	symbol	name	Covalent  (single bond) pm	f_osc (10^14)Hz	_hf eV	Covalent (triple bond) pm	f_osc (10^14)Hz	_hf eV
1	H	hydrogen	38	1.2190	0.504	no data	no data	no data
2	He	helium	32	1.3284	0.549	no data	no data	no data
3	Li	lithium	134	0.6492	0.268	no data	no data	no data
4	Be	beryllium	90	0.7921	0.328	85	0.8151	0.337
5	B	boron	82	0.8299	0.343	73	0.8795	0.364
6	C	carbon	77	0.8564	0.354	60	0.9701	0.401
7	N	nitrogen	75	0.8677	0.359	54	1.0226	0.423
8	O	oxygen	73	0.8795	0.364	53	1.0322	0.427
9	F	fluorine	71	0.8918	0.369	53	1.0322	0.427
10	Ne	neon	69	0.9047	0.374	no data	no data	no data
11	Na	sodium	154	0.6056	0.250	no data	no data	no data
12	Mg	magnesium	130	0.6591	0.273	127	0.6668	0.276
13	Al	aluminium	118	0.6918	0.286	111	0.7133	0.295
14	Si	silicon	111	0.7133	0.295	102	0.7441	0.308
15	P	phosphorus	106	0.7299	0.302	94	0.7751	0.321
16	S	sulfur	102	0.7441	0.308	95	0.7710	0.319
17	Cl	chlorine	99	0.7553	0.312	93	0.7792	0.322
18	Ar	argon	97	0.7630	0.316	96	0.7670	0.317
19	K	potassium	196	0.5368	0.222	no data	no data	no data
20	Ca	calcium	174	0.5697	0.236	133	0.6516	0.269
21	Sc	scandium	144	0.6262	0.259	114	0.7038	0.291
22	Ti	titanium	136	0.6444	0.266	108	0.7231	0.299
23	V	vanadium	125	0.6721	0.278	106	0.7299	0.302
24	Cr	chromium	127	0.6668	0.276	103	0.7404	0.306
25	Mn	manganese	139	0.6374	0.264	103	0.7404	0.306
26	Fe	iron	125	0.6721	0.278	102	0.7441	0.308
27	Co	cobalt	126	0.6695	0.277	96	0.7670	0.317
28	Ni	nickel	121	0.6832	0.283	101	0.7477	0.309
29	Cu	copper	138	0.6397	0.265	120	0.6860	0.284
30	Zn	zinc	131	0.6566	0.272	no data	no data	no data
31	Ga	gallium	126	0.6695	0.277	121	0.6832	0.283
32	Ge	germanium	122	0.6803	0.281	114	0.7038	0.291
33	As	arsenic	119	0.6889	0.285	106	0.7299	0.302
34	Se	selenium	116	0.6977	0.289	107	0.7265	0.300
35	Br	bromine	114	0.7038	0.291	110	0.7165	0.296
36	Kr	krypton	110	0.7165	0.296	108	0.7231	0.299
37	Rb	rubidium	211	0.5173	0.214	no data	no data	no data
38	Sr	strontium	192	0.5423	0.224	139	0.6374	0.264
39	Y	yttrium	162	0.5904	0.244	124	0.6748	0.279
40	Zr	zirconium	148	0.6177	0.255	121	0.6832	0.283
41	Nb	niobium	137	0.6420	0.266	116	0.6977	0.289
42	Mo	molybdenum	145	0.6241	0.258	113	0.7069	0.292
43	Tc	technetium	156	0.6017	0.249	110	0.7165	0.296
44	Ru	ruthenium	126	0.6695	0.277	103	0.7404	0.306
45	Rh	rhodium	135	0.6468	0.267	106	0.7299	0.302
46	Pd	palladium	131	0.6566	0.272	112	0.7101	0.294
47	Ag	silver	153	0.6075	0.251	137	0.6420	0.266
48	Cd	cadmium	148	0.6177	0.255	no data	no data	no data
49	In	indium	144	0.6262	0.259	146	0.6219	0.257
50	Sn	tin	141	0.6329	0.262	132	0.6541	0.271
51	Sb	antimony	138	0.6397	0.265	127	0.6668	0.276
52	Te	tellurium	135	0.6468	0.267	121	0.6832	0.283
53	I	iodine	133	0.6516	0.269	125	0.6721	0.278
54	Xe	xenon	130	0.6591	0.273	122	0.6803	0.281
55	Cs	caesium	225	0.5010	0.207	no data	no data	no data
56	Ba	barium	198	0.5340	0.221	149	0.6156	0.255
57	La	lanthanum	169	0.5781	0.239	139	0.6374	0.264
58	Ce	cerium	no data	no data	no data	131	0.6566	0.272
59	Pr	praseodymium	no data	no data	no data	128	0.6642	0.275
60	Nd	neodymium	no data	no data	no data	no data	no data	no data
61	Pm	promethium	no data	no data	no data	no data	no data	no data
62	Sm	samarium	no data	no data	no data	no data	no data	no data
63	Eu	europium	no data	no data	no data	no data	no data	no data
64	Gd	gadolinium	no data	no data	no data	132	0.6541	0.271
65	Tb	terbium	no data	no data	no data	no data	no data	no data
66	Dy	dysprosium	no data	no data	no data	no data	no data	no data
67	Ho	holmium	no data	no data	no data	no data	no data	no data
68	Er	erbium	no data	no data	no data	no data	no data	no data
69	Tm	thulium	no data	no data	no data	no data	no data	no data
70	Yb	ytterbium	no data	no data	no data	no data	no data	no data
71	Lu	lutetium	160	0.5941	0.246	131	0.6566	0.272
72	Hf	hafnium	150	0.6136	0.254	122	0.6803	0.281
73	Ta	tantalum	138	0.6397	0.265	119	0.6889	0.285
74	W	tungsten	146	0.6219	0.257	115	0.7007	0.290
75	Re	rhenium	159	0.5960	0.246	110	0.7165	0.296
76	Os	osmium	128	0.6642	0.275	109	0.7198	0.298
77	Ir	iridium	137	0.6420	0.266	107	0.7265	0.300
78	Pt	platinum	128	0.6642	0.275	110	0.7165	0.296
79	Au	gold	144	0.6262	0.259	123	0.6776	0.280
80	Hg	mercury	149	0.6156	0.255	no data	no data	no data
81	Tl	thallium	148	0.6177	0.255	150	0.6136	0.254
82	Pb	lead	147	0.6198	0.256	137	0.6420	0.266
83	Bi	bismuth	146	0.6219	0.257	135	0.6468	0.267
84	Po	polonium	no data	no data	no data	129	0.6616	0.274
85	At	astatine	no data	no data	no data	138	0.6397	0.265
86	Rn	radon	145	0.6241	0.258	133	0.6516	0.269
87	Fr	francium	no data	no data	no data	no data	no data	no data
88	Ra	radium	no data	no data	no data	159	0.5960	0.246
89	Ac	actinium	no data	no data	no data	140	0.6351	0.263
90	Th	thorium	no data	no data	no data	136	0.6444	0.266
91	Pa	protactinium	no data	no data	no data	129	0.6616	0.274
92	U	uranium	no data	no data	no data	118	0.6918	0.286
93	Np	neptunium	no data	no data	no data	116	0.6977	0.289
94	Pu	plutonium	no data	no data	no data	no data	no data	no data
95	Am	americium	no data	no data	no data	no data	no data	no data
96	Cm	curium	no data	no data	no data	no data	no data	no data
97	Bk	berkelium	no data	no data	no data	no data	no data	no data
98	Cf	californium	no data	no data	no data	no data	no data	no data
99	Es	einsteinium	no data	no data	no data	no data	no data	no data
100	Fm	fermium	no data	no data	no data	no data	no data	no data
101	Md	mendelevium	no data	no data	no data	no data	no data	no data
102	No	nobelium	no data	no data	no data	no data	no data	no data
103	Lr	lawrencium	no data	no data	no data	no data	no data	no data
104	Rf	rutherfordium	no data	no data	no data	131	0.6566	0.272
105	Db	dubnium	no data	no data	no data	126	0.6695	0.277
106	Sg	seaborgium	no data	no data	no data	121	0.6832	0.283
107	Bh	bohrium	no data	no data	no data	119	0.6889	0.285
108	Hs	hassium	no data	no data	no data	118	0.6918	0.286
109	Mt	meitnerium	no data	no data	no data	113	0.7069	0.292
110	Ds	darmstadtium	no data	no data	no data	112	0.7101	0.294
111	Rg	roentgenium	no data	no data	no data	118	0.6918	0.286
112	Cn	copernicium	no data	no data	no data	130	0.6591	0.273
113	Nh	nihonium	no data	no data	no data	no data	no data	no data
114	Fl	flerovium	no data	no data	no data	no data	no data	no data
115	Mc	moscovium	no data	no data	no data	no data	no data	no data
116	Lv	livermorium	no data	no data	no data	no data	no data	no data
117	Ts	tennessine	no data	no data	no data	no data	no data	no data
118	Og	oganesson	no data	no data	no data	no data	no data	no data

What about Fermi levels?

Note:  The data are derived from  https://en.wikipedia.org/wiki/Atomic_radii_of_the_elements_(data_page)