National Institute of Standards and Technology

Computational Chemistry Comparison and Benchmark DataBase
Release 22	May 2022
NIST Standard Reference Database 101

I	Introduction
II	Experimental data
III	Calculated data
IV	Data comparisons
V	Cost comparisons
VI	Input and output files
VII	Tutorials and Units
VIII	Links to other sites
IX	Feedback
X	Older CCCBDB versions
XII	Geometries
XIII	Vibrations
XIV	Reaction data
XV	Entropy data
XVI	Bibliographic data
XVII	Ion data
XVIII	Bad calculations
XIX	Index of properties
XX	H-bond dimers
XXI	Oddities

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IV.D.8.

Average Bond Length Differences by Model Chemistry

Calculated at CCD/TZVP

Species	Name	Bond type	Bond Length (Å)
			Experimental	unc.	Calculated	Difference	atom1	atom2
C4H10O	Methyl propyl ether	rCC	1.530		1.093	-0.437	5	13
SiP	Silicon monophosphide	rSiP	2.078	±0.002	2.017	-0.060	1	2
CN	Cyano radical	rC#N	1.172		1.131	-0.041	1	2
C5H8O	Methyl cyclopropyl ketone	rCH	1.126		1.088	-0.038	3	7
C2H	Ethynyl radical	rC#C	1.217		1.180	-0.037	1	2
FNO2	Nitryl fluoride	rNF	1.467	±0.015	1.433	-0.034	1	2
C2H2O2	Ethanedial	rCH	1.132		1.101	-0.031	1	3
CO+	carbon monoxide cation	rC=O	1.115	±0.000	1.092	-0.023	1	2
CH3CH2CH2CH3	Butane	rCH	1.117		1.095	-0.022	1	5
C3F6	hexafluoropropene	rCF	1.329	±0.003	1.308	-0.021	1	4
NO	Nitric oxide	rN=O	1.154	±0.000	1.132	-0.021	1	2
LiOH	lithium hydroxide	rOH	0.969		0.948	-0.021	1	3
C9H8	Indene	rCC	1.415	±0.170	1.395	-0.020	1	2
C5H6	Propellane	rCC	1.596	±0.005	1.576	-0.020	2	5
C4H8O2	Ethyl acetate	rCH	1.105		1.086	-0.019	1	7
C5H8	Ethenylcyclopropane	rCH	1.099		1.084	-0.015	1	6
H2Cl+	dihydrogen monochloride cation	rHCl	1.321	±0.000	1.306	-0.014	1	2
HF+	hydrogen fluoride cation	rHF	1.014		1.001	-0.014	1	2
HSe	Selenium monohydride	rSeH	1.475	±0.010	1.461	-0.014	1	2
BN	boron nitride	rB=N	1.325		1.312	-0.013	1	2
N3	azide radical	rNN	1.181		1.168	-0.013	1	2
B2H6	Diborane	rBH	1.200		1.187	-0.013	1	5
CH3CH2CHO	Propanal	rCH	1.103		1.090	-0.013	1	6
C10H8	Azulene	rC:C	1.414		1.402	-0.013	7	9
SiH2Cl2	dichlorosilane	rSiH	1.480	±0.015	1.468	-0.012	1	2
OCSe	Carbonyl selenide	rC=O	1.159		1.147	-0.012	1	2
F2	Fluorine diatomic	rFF	1.412		1.400	-0.012	1	2
CH2NH	Methanimine	rCH	1.103		1.091	-0.012	1	3
FO	Oxygen monofluoride	rFO	1.354		1.342	-0.012	1	2
AsH	Arsenic monohydride	rAsH	1.535	±0.001	1.523	-0.012	1	2
HCCl	Chloromethylene	rCH	1.119	±0.036	1.107	-0.011	1	3
CSe	Carbon monoselenide	rC=Se	1.676	±0.000	1.665	-0.011	1	2
C5H6	Propellane	rCC	1.525	±0.002	1.514	-0.011	1	2
NSe	Nitrogen monoselenide	rN=Se	1.652		1.642	-0.010	1	2
HOCl	hypochlorous acid	rOH	0.973	±0.002	0.964	-0.009	1	2
CH3CH2CHO	Propanal	rCH	1.105		1.096	-0.009	2	8
CH3CH2CHO	Propanal	rCH	1.115		1.106	-0.009	3	10
HClO4	perchloric acid	rOH	0.980		0.971	-0.009	3	6
SeO2	Selenium dioxide	rSeO	1.607	±0.001	1.598	-0.009	1	2
CH3CHO	Acetaldehyde	rCH	1.114		1.105	-0.009	1	4
HO2	Hydroperoxy radical	rOO	1.331		1.322	-0.009	1	2
CH2	Methylene	rCH	1.085		1.077	-0.008	1	2
ArH+	Argon hydride cation	rArH	1.292	±0.000	1.284	-0.008	1	2
CH2PH	Phosphaethene	rCH	1.090	±0.015	1.082	-0.008	1	3
CH3NH2	methyl amine	rCN	1.471	±0.003	1.463	-0.008	1	2
C4H6	Bicyclo[1.1.0]butane	rCC	1.497		1.489	-0.008	1	2
CH3OC2H5	Ethane, methoxy-	rCO	1.415	±0.005	1.408	-0.007	1	2
C3H6O	2-Propen-1-ol	rCH	1.091	±0.010	1.084	-0.007	3	9
KrH+	Protonated Krypton	rHKr	1.421	±0.000	1.414	-0.007	1	2
C3H6O	2-Propen-1-ol	rCH	1.092	±0.010	1.085	-0.007	2	7
HeH+	Helium hydride cation	rHHe	0.790		0.783	-0.007	1	2
H2CSe	Selenoformaldehyde	rC=Se	1.753		1.746	-0.007	1	2
B2H6	Diborane	rBH	1.320		1.313	-0.007	1	3
HS+	sulfur monohydride cation	rSH	1.374		1.368	-0.007	1	2
HSiCl	Chlorosilylene	rSiH	1.525	±0.005	1.518	-0.007	1	3
CH2PH	Phosphaethene	rCH	1.090	±0.015	1.083	-0.007	1	4
H2CSe	Selenoformaldehyde	rHC	1.090		1.084	-0.006	1	3
CH3NH2	methyl amine	rNH	1.018	±0.001	1.012	-0.006	2	6
HBr+	hydrogen bromide cation	rHBr	1.448		1.442	-0.006	1	2
O2	Oxygen diatomic	rO=O	1.208		1.201	-0.006	1	2
O2+	diatomic oxygen cation	rOO	1.116		1.110	-0.006	1	2
CH2CO	Ketene	rCH	1.083		1.077	-0.006	1	4
NH4+	ammonium cation	rHN	1.029	±0.000	1.023	-0.006	1	2
C2H2+	acetylene cation	rC=C	1.253	±0.001	1.247	-0.006	1	2
C3H3NO	Oxazole	rCO	1.357	±0.003	1.352	-0.006	1	2
CH3CCH	propyne	rCH	1.096		1.090	-0.006	1	5
NO+	nitric oxide cation	rN=O	1.066		1.060	-0.006	1	2
C2H2O2	Ethanedial	rCC	1.526		1.521	-0.005	1	2
CH3CH2CHO	Propanal	rCH	1.096		1.091	-0.005	1	5
C3H6O	2-Propen-1-ol	rCH	1.102	±0.020	1.097	-0.005	1	6
FNO2	Nitryl fluoride	rN=O	1.180	±0.005	1.175	-0.005	1	3
CH2CHCH2CH3	1-Butene	rCC	1.536		1.531	-0.005	1	2
C10H8	Azulene	rC:C	1.398		1.394	-0.004	1	3
C3H3NO	Oxazole	rCO	1.370	±0.002	1.365	-0.004	1	5
CH3CHS	Thioacetaldehyde	rCH	1.098		1.094	-0.004	2	6
HBr	hydrogen bromide	rHBr	1.414	±0.000	1.410	-0.004	1	2
CH2CO	Ketene	rC=O	1.162		1.158	-0.004	2	3
H2Se	Hydrogen selenide	rSeH	1.460		1.456	-0.004	1	2
CH3NO	nitrosomethane	rCH	1.094		1.090	-0.004	1	4
CHF3	Methane, trifluoro-	rCH	1.091	±0.014	1.087	-0.004	1	2
CH3CH2CH2CH3	Butane	rCC	1.531		1.527	-0.004	1	2
C10H8	Azulene	rC:C	1.405	±0.001	1.401	-0.004	2	9
C3F6	hexafluoropropene	rC=C	1.329	±0.003	1.325	-0.004	1	2
CSe2	Carbon diselenide	rC=Se	1.692	±0.000	1.689	-0.003	1	2
GeO	Germanium monoxide	rOGe	1.625		1.621	-0.003	1	2
CF	Fluoromethylidyne	rCF	1.276		1.273	-0.003	1	2
CH3CHFCH3	2-Fluoropropane	rCH	1.093	±0.006	1.090	-0.003	4	8
CN-	cyanide anion	rC#N	1.177	±0.004	1.174	-0.003	1	2
C2H2ClF	1-chloro-1-fluoroethylene	rCH	1.082	±0.001	1.079	-0.003	2	5
CH2Cl2	Methylene chloride	rCH	1.085	±0.002	1.082	-0.003	1	2
CH3CHFCH3	2-Fluoropropane	rCH	1.094	±0.005	1.091	-0.003	4	10
NH2SH	Thiohydroxylamine	rSH	1.344	±0.029	1.342	-0.002	2	3
C3H8	Propane	rCH	1.096		1.094	-0.002	1	4
CH3CHClCH3	Propane, 2-chloro-	rCH	1.091		1.089	-0.002	2	5
HNCNH	diiminomethane	rC=N	1.224	±0.001	1.222	-0.002	1	2
C4H8O2	Ethyl acetate	rCC	1.508		1.506	-0.002	1	2
CH3OC2H5	Ethane, methoxy-	rCH	1.099	±0.007	1.097	-0.002	1	6
SeO	Selenium monoxide	rSeO	1.639	±0.001	1.637	-0.002	1	2
CO	Carbon monoxide	rC#O	1.128	±0.000	1.126	-0.002	1	2
CH3CHS	Thioacetaldehyde	rCH	1.090		1.088	-0.002	2	5
BO	boron monoxide	rB=O	1.205		1.203	-0.002	1	2
C4H8O2	Ethyl acetate	rCC	1.515		1.513	-0.002	5	6
C3H6	Cyclopropane	rCH	1.083		1.081	-0.002	1	4
CH3OC2H5	Ethane, methoxy-	rCH	1.092	±0.007	1.090	-0.002	4	11
C4H8	cyclobutane	rCH	1.093		1.092	-0.002	1	5
AsH3	Arsine	rAsH	1.511	±0.000	1.509	-0.001	1	2
SiH3F	monofluorosilane	rSiH	1.476		1.475	-0.001	1	3
C4H8O2	Ethyl acetate	rC=O	1.203		1.202	-0.001	2	4
CH3NO	nitrosomethane	rCH	1.092		1.091	-0.001	1	5
CH3OC2H5	Ethane, methoxy-	rCH	1.100	±0.003	1.099	-0.001	3	8
N2	Nitrogen diatomic	rN#N	1.098		1.097	-0.001	1	2
CH2CHF	Ethene, fluoro-	rCH	1.082		1.081	-0.001	1	4
CF3COOH	trifluoroacetic acid	rC=O	1.192	±0.003	1.191	-0.001	2	4
GeH	germylidene	rGeH	1.588		1.587	-0.001	1	2
BH	Boron monohydride	rBH	1.232		1.231	-0.001	1	2
HO2	Hydroperoxy radical	rOH	0.971		0.970	-0.001	1	3
CH3CH2CHO	Propanal	rCC	1.509		1.508	-0.001	2	3
CH3CH2CHO	Propanal	rCC	1.523		1.522	-0.001	1	2
BH3	boron trihydride	rBH	1.190		1.189	-0.001	1	2
SiH3Cl	chlorosilane	rSiH	1.475		1.474	-0.001	1	3
SCSe	Carbon sulfide selenide	rC=Se	1.695	±0.002	1.694	-0.001	1	3
C4H8	cyclobutane	rCH	1.091		1.090	-0.001	1	6
C3H4	cyclopropene	rCH	1.088		1.087	-0.001	1	6
C2H2	Acetylene	rCH	1.063		1.062	-0.001	1	3
CF3COOH	trifluoroacetic acid	rCC	1.546	±0.005	1.545	-0.001	1	2
C3H6O	2-Propen-1-ol	rCH	1.096	±0.030	1.096	-0.000	1	5
C2	Carbon diatomic	rC=C	1.243		1.242	0.000	1	2
C2H2	Acetylene	rC#C	1.203		1.202	0.000	1	2
C3H3NO	Oxazole	rCH	1.075	±0.001	1.075	0.000	4	7
SiC	silicon monocarbide	rCSi	1.722		1.722	0.000	1	2
C3H3NO	Oxazole	rCH	1.075	±0.001	1.075	0.000	2	6
CH	Methylidyne	rCH	1.120		1.120	0.000	1	2
C10H8	Azulene	rCH	1.084		1.084	0.000	4	14
SCSe	Carbon sulfide selenide	rC=S	1.553	±0.002	1.553	0.000	1	2
C10H8	Azulene	rCH	1.080		1.080	0.000	9	17
C3H3NO	Oxazole	rCH	1.073	±0.001	1.073	0.000	5	8
SiH4	Silane	rSiH	1.480	±0.000	1.480	0.000	1	2
C4H8O2	Ethyl acetate	rCO	1.345		1.345	0.000	2	3
H2	Hydrogen diatomic	rHH	0.741		0.742	0.000	1	2
CH3CHS	Thioacetaldehyde	rCH	1.089		1.089	0.000	1	4
ScH	Scandium monohydride	rScH	1.775	±0.000	1.776	0.001	1	2
BeH	beryllium monohydride	rBeH	1.343		1.343	0.001	1	2
CH3CHClCH3	Propane, 2-chloro-	rCH	1.092		1.093	0.001	3	6
BeH2	beryllium dihydride	rBeH	1.326	±0.000	1.327	0.001	1	2
C2H2+	acetylene cation	rCH	1.077	±0.005	1.078	0.001	1	3
CH3CHFCH3	2-Fluoropropane	rCH	1.092		1.093	0.001	1	3
H2O	Water	rOH	0.958	±0.000	0.959	0.001	1	2
HF	Hydrogen fluoride	rHF	0.917	±0.000	0.918	0.001	1	2
C3H4	cyclopropene	rCH	1.072		1.073	0.001	2	4
CH4	Methane	rCH	1.087	±0.001	1.088	0.001	1	2
CH3Br	methyl bromide	rCH	1.082	±0.001	1.084	0.002	1	3
CH3CCH	propyne	rCH	1.060		1.062	0.002	3	4
CH3CSNH2	Ethanethioamide	rC=S	1.647	±0.002	1.649	0.002	1	2
OH	Hydroxyl radical	rOH	0.970		0.972	0.002	1	2
CH3CHO	Acetaldehyde	rCH	1.086		1.088	0.002	2	5
SiH+	silicon monohydride cation	rSiH	1.504		1.506	0.002	1	2
OH-	hydroxide anion	rOH	0.964		0.966	0.002	1	2
C5H8O	Methyl cyclopropyl ketone	rCC	1.510		1.512	0.002	2	3
HCl+	hydrogen chloride cation	rHCl	1.315		1.317	0.002	1	2
CH3OC2H5	Ethane, methoxy-	rCH	1.086	±0.010	1.088	0.002	1	5
CH3OC2H5	Ethane, methoxy-	rCH	1.089	±0.008	1.092	0.003	4	10
HOBr	Hypobromous acid	rOH	0.961		0.964	0.003	1	2
CH2F2	Methane, difluoro-	rCF	1.351	±0.001	1.354	0.003	1	4
PO	Phosphorus monoxide	rP=O	1.476		1.479	0.003	1	2
GeS	Germanium monosulfide	rS=Ge	2.012	±0.000	2.015	0.003	1	2
CHF3	Methane, trifluoro-	rCF	1.328	±0.003	1.331	0.003	1	3
CH2CHF	Ethene, fluoro-	rCH	1.077		1.080	0.003	2	5
He2+	helium diatomic cation	rHeHe	1.081	±0.001	1.084	0.003	1	2
H2CS	Thioformaldehyde	rC=S	1.611		1.614	0.004	1	2
C2H3	vinyl	rCH	1.085		1.089	0.004	2	4
C3H6	Cyclopropane	rCC	1.501		1.505	0.004	1	2
CH3CHFCH3	2-Fluoropropane	rCH	1.088	±0.006	1.092	0.004	4	6
BF	Boron monofluoride	rBF	1.267	±0.000	1.270	0.004	1	2
C3H6O	2-Propen-1-ol	rCH	1.078	±0.010	1.082	0.004	3	8
NO-	nitric oxide anion	rN=O	1.258	±0.010	1.262	0.004	1	2
C5H8	Ethenylcyclopropane	rCC	1.475		1.479	0.004	1	2
CH3NH2	methyl amine	rCH	1.093	±0.000	1.097	0.004	1	3
C10H8	Azulene	rCH	1.081		1.085	0.004	1	11
HCl	Hydrogen chloride	rHCl	1.275	±0.000	1.278	0.004	1	2
C10H8	Azulene	rCH	1.083		1.087	0.004	5	15
SiH2F2	difluorosilane	rSiH	1.462		1.466	0.004	1	4
BF3	Borane, trifluoro-	rBF	1.307		1.311	0.004	1	2
SiH3+	Silyl cation	rSiH	1.460	±0.010	1.465	0.005	1	2
NH3BF3	Amminetrifluoroboron	rBN	1.673		1.678	0.005	1	2
CH3OC2H5	Ethane, methoxy-	rCO	1.407	±0.004	1.412	0.005	2	3
GeH3F	monofluorogermane	rGeH	1.515	±0.000	1.519	0.005	1	3
CBr4	Carbon tetrabromide	rCBr	1.942	±0.002	1.947	0.005	1	2
CH2F2	Methane, difluoro-	rCH	1.084	±0.003	1.089	0.005	1	2
HS	Mercapto radical	rSH	1.341		1.346	0.005	1	2
OCSe	Carbonyl selenide	rC=Se	1.709		1.715	0.006	1	3
SiH	Silylidyne	rSiH	1.520		1.526	0.006	1	2
HS-	mercapto anion	rSH	1.343		1.350	0.006	1	2
BeO	beryllium oxide	rBe=O	1.331		1.338	0.007	1	2
PH	phosphorus monohydride	rPH	1.422		1.430	0.007	1	2
GeF+	Germanium monofluoride cation	rFGe	1.665	±0.000	1.673	0.008	1	2
MgH	magnesium monohydride	rMgH	1.730		1.738	0.008	1	2
C10H8	naphthalene	rC:C	1.410		1.418	0.008	2	3
C3O2	Carbon suboxide	rC=O	1.146		1.154	0.008	2	4
PN	Phosphorus mononitride	rP#N	1.491		1.499	0.008	1	2
NH2CONH2	Urea	rNH	0.998		1.007	0.009	4	8
LiH	Lithium Hydride	rLiH	1.595	±0.000	1.604	0.009	1	2
SiS	silicon monosulfide	rSiS	1.929	±0.000	1.939	0.010	1	2
CH2CHCH2CH3	1-Butene	rCC	1.493		1.503	0.010	2	3
C10H8	Azulene	rC:C	1.377		1.388	0.010	5	7
CH2Br2	dibromomethane	rCBr	1.925	±0.002	1.936	0.011	1	4
GaF	Gallium monofluoride	rFGa	1.774	±0.000	1.786	0.011	1	2
B2	Boron diatomic	rBB	1.590		1.602	0.012	1	2
HOBr	Hypobromous acid	rBrO	1.834		1.846	0.012	2	3
CrH	Chromium hydride	rHCr	1.655	±0.001	1.667	0.012	1	2
CH2Cl2	Methylene chloride	rCCl	1.767	±0.002	1.779	0.012	1	4
SiO	Silicon monoxide	rSiO	1.510	±0.000	1.522	0.013	1	2
GeH3F	monofluorogermane	rGeF	1.731	±0.000	1.744	0.013	1	2
CH3Br	methyl bromide	rCBr	1.934	±0.000	1.947	0.013	1	2
HCCl	Chloromethylene	rCCl	1.696	±0.003	1.709	0.013	1	2
As4	Arsenic tetramer	rAsAs	2.435		2.448	0.013	1	2
GeF	Germanium monofluoride	rFGe	1.745		1.759	0.014	1	2
OPCl	Phosphorus oxychloride	rP=O	1.462	±0.011	1.476	0.014	1	2
P2	Phosphorus diatomic	rP#P	1.893		1.908	0.015	1	2
LiNH2	lithium amide	rLiN	1.736	±0.003	1.751	0.015	1	2
C10H8	Azulene	rC:C	1.484		1.499	0.015	7	8
C2H	Ethynyl radical	rCH	1.047		1.062	0.015	1	3
C3H5	Allyl radical	rCH	1.069		1.085	0.016	1	2
HOCl	hypochlorous acid	rClO	1.697	±0.001	1.715	0.017	1	3
AsF	Arsenic monofluoride	rFAs	1.736	±0.001	1.754	0.018	1	2
SO+	sulfur monoxide cation	rO=S	1.424		1.442	0.018	1	2
C2H6O2S	Dimethyl sulfone	rCS	1.777	±0.006	1.796	0.019	1	4
NS	Mononitrogen monosulfide	rNS	1.497	±0.000	1.516	0.019	1	2
AlCl	Aluminum monochloride	rAlCl	2.130	±0.000	2.150	0.020	1	2
Se2	Selenium diatomic	rSe=Se	2.166	±0.001	2.186	0.020	1	2
SiBr+	Silicon monobromide cation	rSiBr	2.095	±0.000	2.116	0.020	1	2
C3O2	Carbon suboxide	rC=C	1.251		1.271	0.020	1	2
LiOH	lithium hydroxide	rLiO	1.582		1.602	0.021	1	2
SOF4	Sulfur tetrafluoride oxide	rFS	1.596	±0.003	1.617	0.021	1	3
GeCl	Germanium monochloride	rClGe	2.164	±0.000	2.184	0.021	1	2
BrF	Bromine monofluoride	rFBr	1.759	±0.000	1.780	0.022	1	2
HClO4	perchloric acid	rO=Cl	1.414	±0.001	1.436	0.022	1	2
SF4	Sulfur tetrafluoride	rSF	1.646	±0.003	1.669	0.023	1	2
C5H8O	Cyclopentanone	rCC	1.504		1.527	0.023	2	3
F2SO	Thionyl Fluoride	rO=S	1.413	±0.000	1.436	0.023	1	2
NaH	sodium hydride	rNaH	1.887	±0.000	1.910	0.023	1	2
AlNC	Aluminum isocyanide	rAlN	1.855	±0.005	1.878	0.024	1	2
SiH3Cl	chlorosilane	rSiCl	2.051		2.074	0.024	1	2
SO	Sulfur monoxide	rS=O	1.481		1.505	0.024	1	2
GaBr	Gallium monobromide	rGaBr	2.352	±0.000	2.377	0.025	1	2
SSO	Disulfur monoxide	rS=O	1.456		1.481	0.025	1	2
SF4	Sulfur tetrafluoride	rSF	1.545	±0.003	1.570	0.025	1	4
SeCl2	Selenium Dichloride	rClSe	2.157	±0.003	2.182	0.025	1	2
SSO	Disulfur monoxide	rS=S	1.884		1.910	0.026	2	3
SiH2Cl2	dichlorosilane	rSiCl	2.033	±0.003	2.059	0.026	1	4
ClOF3	Chlorine trifluoride oxide	rFCl	1.713	±0.003	1.739	0.026	1	4
HClO4	perchloric acid	rOCl	1.641	±0.002	1.667	0.026	1	3
Li2	Lithium diatomic	rLiLi	2.673		2.700	0.027	1	2
AlF	Aluminum monofluoride	rAlF	1.654	±0.000	1.681	0.027	1	2
SiH3F	monofluorosilane	rSiF	1.595		1.622	0.027	1	2
PF2	Phosphorus difluoride	rPF	1.579		1.606	0.027	1	2
SF	Monosulfur monofluoride	rSF	1.599		1.627	0.028	1	2
AlC	Aluminum carbide	rC=Al	1.955		1.984	0.028	1	2
ClO	Monochlorine monoxide	rClO	1.596	±0.001	1.625	0.029	1	2
SiF	silicon monofluoride	rSiF	1.604		1.633	0.029	1	2
SOF4	Sulfur tetrafluoride oxide	rFS	1.539	±0.003	1.568	0.029	1	5
SiCl	Clorosilylidyne	rSiCl	2.061	±0.000	2.090	0.029	1	2
S2	Sulfur diatomic	rS=S	1.889		1.918	0.029	1	2
F2SO	Thionyl Fluoride	rFS	1.585	±0.000	1.615	0.029	1	3
ClF	Chlorine monofluoride	rFCl	1.628	±0.000	1.658	0.030	1	2
SiF2	Silicon difluoride	rFSi	1.590	±0.000	1.620	0.030	1	2
HSiCl	Chlorosilylene	rSiCl	2.067	±0.003	2.097	0.030	1	2
AlBr	Aluminum monobromide	rAlBr	2.295		2.325	0.030	1	2
OPCl	Phosphorus oxychloride	rPCl	2.059	±0.004	2.091	0.032	1	3
C2H6O2S	Dimethyl sulfone	rS=O	1.431	±0.004	1.465	0.034	1	2
GaAs	Gallium arsenide	rGa#As	2.530	±0.020	2.567	0.037	1	2
BrO	Bromine monoxide	rOBr	1.718		1.755	0.037	1	2
HSSSH	trisulfane	rSS	2.054	±0.000	2.091	0.037	1	2
CFCl	chlorofluoromethylene	rCCl	1.714		1.752	0.038	1	3
LiO	lithium oxide	rLiO	1.688		1.727	0.038	1	2
PS	phosphorus sulfide	rP=S	1.900		1.940	0.040	1	2
LiCl	lithium chloride	rLiCl	2.021	±0.000	2.061	0.040	1	2
Cl2+	chlorine diatomic cation	rClCl	1.892		1.932	0.040	1	2
HClO4	perchloric acid	rO=Cl	1.404	±0.001	1.446	0.042	1	4
LiF	lithium fluoride	rLiF	1.564	±0.000	1.606	0.042	1	2
ClOF3	Chlorine trifluoride oxide	rFCl	1.603	±0.004	1.645	0.042	1	3
SCl2	Sulfur dichloride	rSCl	2.013	±0.001	2.056	0.044	1	2
NaCl	Sodium Chloride	rNaCl	2.361	±0.000	2.405	0.044	1	2
LiBr	Lithium Bromide	rLiBr	2.170	±0.000	2.215	0.044	1	2
Br2	Bromine diatomic	rBrBr	2.281		2.325	0.044	1	2
BrCl	Bromine monochloride	rClBr	2.136	±0.000	2.181	0.045	1	2
NaF	sodium fluoride	rNaF	1.926	±0.000	1.972	0.046	1	2
Cl2	Chlorine diatomic	rClCl	1.988		2.037	0.049	1	2
SCl	sulfur monochloride	rSCl	1.975		2.027	0.051	1	2
NCl	nitrogen monochloride	rNCl	1.611	±0.000	1.663	0.052	1	2
TiCl	Titanium Monochloride	rClTi	2.265	±0.000	2.326	0.061	1	2
NaLi	lithium sodium	rLiNa	2.889		2.953	0.064	1	2
C4H8O2	Ethyl acetate	rCO	1.448		1.513	0.065	5	6
KH	Potassium hydride	rKH	2.243	±0.001	2.380	0.137	1	2
CaH	Calcium monohydride	rCaH	2.003	±0.000	2.167	0.164	1	2
CaC	Calcium monocarbide	rC#Ca	2.302		2.496	0.194	1	2
CaBr	Calcium monobromide	rCaBr	2.594	±0.000	2.802	0.209	1	2
Al2Cl6	Aluminum, di-μ-chlorotetrachlorodi-	rAlCl	2.040	±0.040	2.275	0.235	1	3
C4H10O	Methyl propyl ether	rCH	1.099		1.408	0.309	1	2
CaO	Calcium monoxide	rOCa	1.822		2.159	0.337	1	2

299 molecules.