Optical constants

Refractive index of C₇H₁₇O3P (Diisopropyl methylphosphonate, DIMP)

Querry 1987: Infrared; n,k 2.5–56 µm

Data: tabulated nk
Range: 2.5–55.56 µm
Points: 383
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.49972
Extinction coefficient k: 0.00774019

Permittivity ε₁: 2.24909
Permittivity ε₂: 0.0232162

Absorption coefficient α: 82.4288 cm⁻¹
Penetration depth δ = λ/(2πk): 242634 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.121342 µm⁻¹

Group index n_g: 2.93155
Group velocity dispersion: — fs²/mm

Dispersion parameter D: — ps/(nm·km)
Photon energy: 0.105071 eV

ε = (n + ik)², α = 4πk/λ, n_g = n − λ dn/dλ, GVD = λ³/(2πc²) d²n/dλ², D = −(λ/c) d²n/dλ². Group-velocity dispersion is given for formula data only.

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# C7H17O3P (Diisopropyl methylphosphonate, DIMP): Querry 1987: Infrared; n,k 2.5–56 µm
c7h17o3p = ls.fetch_refractiveindex("organic", "diisopropyl_methylphosphonate", "Querry-IR", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c7h17o3p.range_nm)  # (2500, 55555.6) nm
eps = c7h17o3p.eps([11800])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_8fd95b76bd97/lightsmith"
c7h17o3p = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c7h17o3p.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (diisopropyl-methylphosphonate/querry-1987-ir).

# ... load c7h17o3p as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c7h17o3p)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=2500, stop_nm=55560, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

Materials guide Open a sphere of it in Studio Quick start Ask the community

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

References

M. R. Querry. Optical constants of minerals and other materials from the millimeter to the ultraviolet. Contractor Report CRDEC-CR-88009 (1987)

Cite

M. R. Querry. Optical constants of minerals and other materials from the millimeter to the ultraviolet. Contractor Report CRDEC-CR-88009 (1987); Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

383 rows as published

CSV comma separated TXT tab separated YAML n, k Full database record original YAML All quantities CSV JSON metadata

C7H17O3P (Diisopropyl methylphosphonate, DIMP), Querry 1987: Infrared; n,k 2.5–56 µm: n and k versus wavelength
λ (µm)	n	k
2.5	1.388	0.0
2.5063	1.388	0.0
2.5126	1.386	0.0
2.5189	1.387	0.0
2.5253	1.388	0.0
2.5306	1.387	0.0
2.5381	1.385	0.0
2.5445	1.386	0.0
2.551	1.388	0.0
2.5575	1.387	0.0
2.5641	1.335	0.0
2.5707	1.385	0.0
2.5773	1.386	0.0
2.584	1.386	0.0
2.5907	1.385	0.0
2.5974	1.366	0.0
2.6042	1.389	0.0
2.611	1.388	0.0
2.6178	1.388	0.0
2.6247	1.387	0.0
2.6316	1.386	0.0
2.6385	1.386	0.0
2.6455	1.388	0.0
2.6525	1.389	0.0
2.6596	1.388	0.0
2.6667	1.386	0.0
2.6738	1.387	0.0
2.681	1.387	0.0
2.6882	1.388	0.0
2.6954	1.387	0.0
2.7027	1.386	0.0
2.71	1.386	0.0
2.7174	1.387	0.0
2.7248	1.387	0.0
2.7322	1.385	0.0
2.7397	1.382	0.0
2.7473	1.385	0.0
2.7548	1.385	0.0
2.7624	1.385	0.0
2.7701	1.383	0.0
2.7778	1.385	0.0
2.7855	1.384	0.0
2.7933	1.386	0.0
2.8011	1.386	0.0
2.809	1.385	0.0
2.8169	1.384	0.0
2.8249	1.384	0.0
2.8329	1.385	0.0
2.8409	1.385	0.0
2.849	1.385	0.0
2.8571	1.386	0.0
2.8653	1.387	0.0
2.8736	1.384	0.0
2.8818	1.383	0.0
2.8902	1.382	0.0
2.8986	1.382	0.0
2.907	1.383	0.0
2.9155	1.384	0.001
2.924	1.385	0.0
2.9326	1.386	0.0
2.9412	1.385	0.0
2.9499	1.383	0.0
2.9586	1.383	0.0
2.9674	1.383	0.0
2.9762	1.382	0.0
2.9851	1.381	0.0
2.994	1.383	0.0
3.003	1.385	0.0
3.012	1.385	0.0
3.0211	1.384	0.0
3.0303	1.384	0.0
3.0395	1.383	0.0
3.0488	1.381	0.0
3.0581	1.38	0.0
3.0675	1.381	0.0
3.0769	1.381	0.0
3.0864	1.382	0.0
3.096	1.38	0.0
3.1056	1.378	0.0
3.1153	1.377	0.0
3.125	1.38	0.001
3.1348	1.381	0.0
3.1447	1.381	0.0
3.1546	1.379	0.0
3.1646	1.378	0.0
3.1746	1.377	0.0
3.1847	1.378	0.0
3.1949	1.378	0.0
3.2051	1.377	0.0
3.2154	1.375	0.0
3.2258	1.374	0.0
3.2362	1.374	0.0
3.2468	1.372	0.0
3.2573	1.372	0.0
3.268	1.372	0.0
3.2787	1.371	0.0
3.2895	1.369	0.0
3.3003	1.367	0.0
3.3113	1.361	0.0
3.3223	1.352	0.001
3.3333	1.346	0.007
3.3445	1.337	0.031
3.3557	1.362	0.067
3.367	1.406	0.043
3.3784	1.397	0.019
3.3898	1.386	0.017
3.4014	1.383	0.024
3.413	1.397	0.027
3.4247	1.403	0.017
3.4364	1.396	0.011
3.4483	1.399	0.005
3.4602	1.391	0.006
3.4722	1.391	0.014
3.4843	1.395	0.006
3.4965	1.395	0.005
3.5088	1.393	0.003
3.5211	1.391	0.003
3.5336	1.391	0.002
3.5461	1.39	0.001
3.5587	1.389	0.0
3.5714	1.387	0.001
3.5842	1.388	0.003
3.5971	1.389	0.002
3.6101	1.389	0.001
3.6232	1.388	0.0
3.6364	1.386	0.0
3.6496	1.385	0.0
3.663	1.385	0.0
3.6765	1.385	0.001
3.69	1.385	0.001
3.7037	1.385	0.001
3.7175	1.386	0.0
3.7313	1.385	0.001
3.7453	1.387	0.001
3.7594	1.387	0.0
3.7736	1.385	0.0
3.7879	1.381	0.0
3.8023	1.38	0.001
3.8168	1.383	0.003
3.8314	1.384	0.001
3.8462	1.384	0.0
3.861	1.383	0.0
3.876	1.383	0.001
3.8911	1.384	0.0
3.9063	1.383	0.0
3.9216	1.383	0.0
3.937	1.383	0.0
3.9526	1.382	0.0
3.9683	1.382	0.0
3.9841	1.383	0.0
4.0	1.383	0.0
4.0161	1.382	0.0
4.0323	1.382	0.0
4.0486	1.381	0.0
4.065	1.379	0.0
4.0816	1.378	0.0
4.0984	1.378	0.0
4.1152	1.379	0.0
4.1322	1.378	0.0
4.1494	1.377	0.0
4.1667	1.377	0.001
4.1841	1.38	0.0
4.2017	1.379	0.0
4.2194	1.379	0.0
4.2373	1.378	0.0
4.2553	1.379	0.0
4.2735	1.377	0.0
4.2918	1.376	0.0
4.3103	1.375	0.0
4.329	1.376	0.001
4.3478	1.377	0.001
4.3668	1.377	0.0
4.386	1.375	0.0
4.4053	1.376	0.002
4.4248	1.378	0.001
4.4444	1.377	0.0
4.4643	1.375	0.0
4.4843	1.375	0.002
4.5045	1.376	0.002
4.5249	1.377	0.001
4.5455	1.375	0.0
4.5662	1.375	0.0
4.5872	1.375	0.0
4.6083	1.374	0.0
4.6296	1.374	0.0
4.6512	1.373	0.0
4.6729	1.373	0.0
4.6948	1.372	0.0
4.717	1.371	0.002
4.7393	1.372	0.003
4.7619	1.373	0.003
4.7847	1.372	0.002
4.8077	1.373	0.003
4.8309	1.373	0.003
4.8544	1.374	0.003
4.878	1.373	0.001
4.902	1.373	0.001
4.9261	1.371	0.001
4.9505	1.371	0.002
4.9751	1.37	0.003
5.0	1.371	0.005
5.0251	1.373	0.004
5.0505	1.373	0.003
5.0761	1.372	0.002
5.102	1.372	0.003
5.1282	1.373	0.003
5.1546	1.373	0.002
5.1813	1.371	0.001
5.2083	1.371	0.001
5.2356	1.37	0.001
5.2632	1.37	0.002
5.291	1.37	0.001
5.3191	1.369	0.001
5.3476	1.369	0.001
5.3763	1.368	0.001
5.4054	1.368	0.001
5.4348	1.367	0.0
5.4645	1.367	0.001
5.4945	1.366	0.001
5.5249	1.366	0.001
5.5556	1.366	0.0
5.5866	1.363	0.0
5.618	1.361	0.001
5.6497	1.361	0.004
5.6818	1.363	0.004
5.7143	1.363	0.002
5.7471	1.362	0.001
5.7803	1.36	0.003
5.814	1.36	0.004
5.848	1.361	0.005
5.8824	1.362	0.004
5.9172	1.362	0.003
5.9524	1.36	0.002
5.988	1.359	0.003
6.024	1.36	0.003
6.0606	1.359	0.002
6.0976	1.358	0.001
6.135	1.356	0.0
6.1728	1.355	0.001
6.2112	1.354	0.001
6.25	1.353	0.001
6.2893	1.352	0.001
6.3291	1.35	0.0
6.3694	1.349	0.0
6.4103	1.346	0.0
6.4516	1.344	0.002
6.4935	1.343	0.002
6.5359	1.343	0.002
6.5789	1.343	0.002
6.6225	1.333	0.001
6.6667	1.329	0.005
6.7114	1.329	0.005
6.7568	1.323	0.004
6.8027	1.321	0.026
6.8493	1.337	0.023
6.8966	1.341	0.019
6.9444	1.335	0.012
6.993	1.324	0.012
7.0423	1.319	0.015
7.0922	1.317	0.01
7.1429	1.297	0.013
7.1942	1.272	0.055
7.2464	1.327	0.07
7.2993	1.376	0.055
7.3529	1.347	0.021
7.4074	1.336	0.022
7.4627	1.326	0.015
7.5188	1.307	0.009
7.5758	1.273	0.032
7.6336	1.329	0.086
7.6923	1.325	0.022
7.7519	1.296	0.021
7.8125	1.267	0.034
7.874	1.234	0.063
7.9365	1.215	0.117
8.0	1.225	0.266
8.0645	1.5	0.245
8.1301	1.465	0.069
8.1967	1.411	0.035
8.2645	1.386	0.033
8.3333	1.362	0.028
8.4034	1.336	0.033
8.4746	1.334	0.074
8.547	1.357	0.046
8.6207	1.342	0.036
8.6957	1.305	0.041
8.7719	1.34	0.083
8.8496	1.321	0.045
8.9286	1.286	0.061
9.009	1.334	0.143
9.0909	1.386	0.057
9.1743	1.337	0.024
9.2593	1.296	0.019
9.3458	1.268	0.019
9.434	1.232	0.025
9.5236	1.188	0.039
9.6154	1.117	0.064
9.7087	1.019	0.144
9.8039	0.971	0.38
9.901	1.196	0.542
10.0	1.233	0.489
10.101	1.325	0.721
10.2041	1.802	0.742
10.3093	1.932	0.267
10.4167	1.754	0.104
10.5263	1.662	0.063
10.6383	1.594	0.05
10.7527	1.535	0.052
10.8696	1.5	0.124
10.989	1.572	0.1
11.1111	1.556	0.119
11.236	1.591	0.051
11.3636	1.555	0.029
11.4943	1.54	0.017
11.6279	1.521	0.009
11.7647	1.504	0.009
11.9048	1.487	0.004
12.0482	1.474	0.007
12.1951	1.46	0.009
12.3457	1.432	0.016
12.5	1.396	0.068
12.6582	1.497	0.15
12.8205	1.54	0.034
12.987	1.496	0.015
13.1579	1.476	0.014
13.3333	1.477	0.032
13.5135	1.477	0.015
13.6986	1.454	0.013
13.8889	1.459	0.06
14.0845	1.498	0.022
14.2857	1.483	0.009
14.4928	1.473	0.002
14.7059	1.469	0.002
14.9254	1.456	0.0
15.1515	1.454	0.0
15.3846	1.451	0.003
15.625	1.446	0.002
15.873	1.44	0.0
16.129	1.438	0.0
16.3934	1.435	0.001
16.6667	1.426	0.0
16.9492	1.421	0.0
17.2414	1.412	0.004
17.5439	1.409	0.004
17.8571	1.402	0.014
18.1818	1.4	0.018
18.5185	1.388	0.018
18.8679	1.358	0.032
19.2308	1.349	0.1
19.6078	1.391	0.147
20.0	1.508	0.147
20.4082	1.504	0.064
20.8333	1.492	0.044
21.2766	1.477	0.028
21.7391	1.466	0.026
22.2222	1.46	0.028
22.7273	1.453	0.033
23.2558	1.452	0.043
23.8095	1.468	0.045
24.3902	1.474	0.039
25.0	1.471	0.031
25.641	1.474	0.028
26.3158	1.475	0.024
27.027	1.48	0.015
27.7778	1.472	0.005
28.5714	1.467	0.005
29.4118	1.458	0.001
30.303	1.454	0.005
31.25	1.451	0.006
32.2581	1.45	0.008
33.3333	1.449	0.008
34.4828	1.444	0.016
35.7143	1.449	0.024
37.037	1.458	0.026
38.4615	1.469	0.024
40.0	1.477	0.011
41.6667	1.472	0.0
43.4783	1.463	0.0
45.4545	1.449	0.0
47.619	1.458	0.0
50.0	1.453	0.0
52.6316	1.448	0.0
55.5556	1.441	0.0

Optical transmission calculator

Free-standing sample in vacuum, normal incidence

Transmittance T: —
Reflectance R: —

Fresnel reflection calculator

R_p: —
R_s: —
R = (R_p+R_s)/2: —
Phase φ_p: —
Phase φ_s: —
Brewster angle θ_B: —
Critical angle θ_C: —

C₇H₁₇O3P (Diisopropyl methylphosphonate, DIMP): all datasets

About C7H17O3P (Diisopropyl methylphosphonate, DIMP)

Diisopropyl methylphosphonate (C₇H₁₇O₃P) is a clear, colorless liquid that is typically utilized for its chelating and complexing properties. This organophosphorus compound has significant relevance in the fields of chemistry and materials science due to its ability to interact with various metal ions. Because of its phosphonate group, it can form complexes with metal cations, often serving as an intermediary or a reactant in various chemical syntheses. Care should be exercised when handling diisopropyl methylphosphonate, ensuring that proper safety precautions are observed, as with many organophosphorus compounds.

More about C7H17O3P (Diisopropyl methylphosphonate, DIMP) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/organic/C7H17O3P - diisopropyl methylphosphonate/nk/Querry-IR.yml
ID: ds_8fd95b76bd97
API: /v1/datasets/ds_8fd95b76bd97

Plot