l-Histidinium tetra­fluoro­succinate

Akkurt, M.; Öztürk, S.; Ramajothi, J.; Büyükgüngör, O.; Dhanuskodi, S.

doi:10.1107/S1600536804004180

L-Histidinium tetrafluorosuccinate

M. Akkurt, S. Öztürk, J. Ramajothi, O. Büyükgüngör and S. Dhanuskodi

In the crystal structure of the title compound, C₆H₁₁N₃O₂²⁺·C₄F₄O₄^2-, the anions and cations are linked to each other through hydrogen bonds.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536804004180/na6294sup1.cif Contains datablocks global, I
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536804004180/na6294Isup2.hkl Contains datablock I

CCDC reference: 238696

checkCIF report

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.003 Å
R factor = 0.022
wR factor = 0.056
Data-to-parameter ratio = 6.3

checkCIF/PLATON results

No syntax errors found



Alert level B
PLAT432_ALERT_2_B Short Inter X...Y Contact  F3     ..  C3      ..       2.86 Ang.

Alert level C
PLAT089_ALERT_3_C Poor Data / Parameter Ratio (Zmax .LT. 18) .....       6.34
PLAT431_ALERT_2_C Short Inter HL..A Contact  F3     ..  O6      ..       2.98 Ang.

Alert level G
REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is
            correct. If it is not, please give the correct count in the
            _publ_section_exptl_refinement section of the submitted CIF.
           From the CIF: _diffrn_reflns_theta_max           25.99
           From the CIF: _reflns_number_total               1413
           Count of symmetry unique reflns         1412
           Completeness (_total/calc)            100.07%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured         1
           Fraction of Friedel pairs measured     0.001
           Are heavy atom types Z>Si present           no

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   2 ALERT level C = Check and explain
   1 ALERT level G = General alerts; check

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 ALERT type 2 Indicator that the structure model may be wrong or deficient
   1 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion

Computing details top

Data collection: X-AREA (Stoe & Cie, 2002); cell refinement: X-AREA; data reduction: X-RED32 (Stoe & Cie, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEPIII (Farrugia, 1997); software used to prepare material for publication: PARST (Nardelli, 1995) and WinGX (Farrugia, 1999).

L-histidinium tetrafluorosuccinate top

Crystal data top

C₆H₁₁N₃O₂²⁺·C₄F₄O₄²⁻	F(000) = 704
M_r = 345.22	D_x = 1.779 Mg m⁻³
Monoclinic, C2	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: C 2y	Cell parameters from 21085 reflections
a = 21.8863 (16) Å	θ = 1.8–29.9°
b = 5.1411 (4) Å	µ = 0.18 mm⁻¹
c = 15.5619 (12) Å	T = 293 K
β = 132.601 (5)°	Block, colourless
V = 1288.9 (2) Å³	0.56 × 0.48 × 0.36 mm
Z = 4

Data collection top

Stoe IPDS 2 diffractometer	1413 independent reflections
Radiation source: sealed X-ray tube, 12 x 0.4 mm long-fine focus	1374 reflections with I > 2σ(I)
Plane graphite monochromator	R_int = 0.032
Detector resolution: 6.67 pixels mm^-1	θ_max = 26.0°, θ_min = 1.8°
ω scans	h = −26→26
Absorption correction: integration (X-RED32; Stoe & Cie, 2002)	k = −6→6
T_min = 0.906, T_max = 0.938	l = −19→18
12924 measured reflections

Refinement top

Refinement on F²	Secondary atom site location: difference Fourier map
Least-squares matrix: full	Hydrogen site location: inferred from neighbouring sites
R[F² > 2σ(F²)] = 0.022	H atoms treated by a mixture of independent and constrained refinement
wR(F²) = 0.056	w = 1/[σ²(F_o²) + (0.0296P)² + 0.5241P] where P = (F_o² + 2F_c²)/3
S = 1.08	(Δ/σ)_max < 0.001
1413 reflections	Δρ_max = 0.22 e Å⁻³
223 parameters	Δρ_min = −0.19 e Å⁻³
1 restraint	Extinction correction: SHELXL97 (Sheldrick, 1997), Fc^*=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4
Primary atom site location: structure-invariant direct methods	Extinction coefficient: 0.0264 (18)

Special details top

Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles

Refinement. Refinement on F^{2 for ALL reflections except those flagged by the user
for potential systematic errors. Weighted} ^R^-factors ^wR ^{and all goodnesses of fit} ^S ^{are based on} ^F2, conventional R-factors R are based on F, with F set to zero for negative F^{2. The observed criterion of} ^F2 > σ(F^{2) is used only for calculating -}^R^-factor-obs ^etc^{. and is not relevant to the choice of reflections for
refinement.} ^R^{-factors based on} ^F2 are statistically about twice as large as those based on F, and R-factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
O1	0.24064 (9)	0.4506 (3)	0.07144 (13)	0.0338 (4)
O2	0.36130 (8)	0.6629 (3)	0.17469 (13)	0.0353 (4)
N1	0.38737 (10)	0.5093 (4)	0.48735 (13)	0.0319 (5)
N2	0.30145 (9)	0.8253 (4)	0.40107 (13)	0.0266 (4)
N3	0.16775 (9)	0.8316 (4)	0.09251 (13)	0.0258 (4)
C1	0.33574 (10)	0.8073 (4)	0.35236 (14)	0.0229 (5)
C2	0.38977 (11)	0.6072 (5)	0.40733 (15)	0.0295 (5)
C3	0.33386 (11)	0.6453 (5)	0.48182 (15)	0.0305 (5)
C4	0.31258 (11)	0.9919 (4)	0.26055 (15)	0.0236 (5)
C5	0.25209 (10)	0.8835 (4)	0.13627 (14)	0.0212 (5)
C6	0.28341 (11)	0.6383 (4)	0.12341 (14)	0.0229 (5)
F1	0.64530 (7)	0.1552 (3)	0.36415 (10)	0.0360 (3)
F2	0.58220 (8)	0.2542 (3)	0.18492 (12)	0.0450 (5)
F3	0.53414 (7)	−0.2686 (2)	0.27280 (11)	0.0363 (4)
F4	0.46968 (7)	−0.1148 (3)	0.10037 (10)	0.0418 (4)
O3	0.69644 (8)	−0.2930 (3)	0.34758 (12)	0.0332 (4)
O4	0.65080 (10)	−0.1545 (4)	0.17649 (13)	0.0410 (5)
O5	0.49928 (8)	0.1655 (3)	0.32986 (11)	0.0335 (4)
O6	0.41846 (7)	0.2822 (3)	0.14309 (11)	0.0306 (4)
C7	0.65465 (11)	−0.1541 (4)	0.25954 (16)	0.0260 (5)
C8	0.60086 (12)	0.0536 (4)	0.25571 (16)	0.0264 (5)
C9	0.51829 (11)	−0.0478 (4)	0.21401 (15)	0.0247 (5)
C10	0.47427 (10)	0.1533 (4)	0.23147 (15)	0.0238 (5)
H1N	0.41940	0.39430	0.53800	0.042 (7)*
H2	0.42270	0.53630	0.39850	0.053 (8)*
H2N	0.26480	0.95700	0.38240	0.044 (7)*
H3	0.32350	0.64110	0.52900	0.040 (6)*
H3A	0.16830	0.69290	0.12920	0.040 (7)*
H3B	0.15020	0.96760	0.10710	0.039 (7)*
H3C	0.13000	0.80120	0.01350	0.037 (6)*
H4A	0.29200	1.15230	0.26590	0.030 (6)*
H4B	0.36120	1.04420	0.27680	0.024 (5)*
H5	0.24610	1.00840	0.09150	0.027 (6)*
H22	0.3808 (19)	0.515 (8)	0.167 (3)	0.070 (10)*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
O1	0.0397 (7)	0.0217 (7)	0.0427 (8)	−0.0002 (6)	0.0290 (7)	−0.0044 (7)
O2	0.0302 (7)	0.0336 (8)	0.0455 (8)	0.0028 (7)	0.0270 (6)	−0.0092 (7)
N1	0.0302 (8)	0.0370 (10)	0.0224 (7)	0.0094 (8)	0.0154 (6)	0.0083 (8)
N2	0.0260 (7)	0.0320 (9)	0.0254 (7)	0.0038 (7)	0.0189 (6)	−0.0004 (7)
N3	0.0239 (7)	0.0292 (8)	0.0245 (7)	0.0054 (7)	0.0165 (6)	0.0032 (7)
C1	0.0202 (7)	0.0282 (10)	0.0201 (8)	−0.0001 (8)	0.0136 (7)	−0.0031 (8)
C2	0.0261 (9)	0.0381 (11)	0.0250 (8)	0.0080 (9)	0.0176 (7)	0.0032 (9)
C3	0.0277 (9)	0.0410 (11)	0.0227 (8)	0.0011 (10)	0.0170 (7)	0.0015 (9)
C4	0.0274 (8)	0.0200 (9)	0.0278 (8)	0.0004 (8)	0.0204 (7)	−0.0027 (8)
C5	0.0260 (8)	0.0201 (9)	0.0223 (8)	0.0027 (7)	0.0183 (7)	0.0034 (7)
C6	0.0289 (8)	0.0219 (9)	0.0220 (8)	0.0040 (8)	0.0189 (7)	0.0030 (7)
F1	0.0287 (5)	0.0398 (7)	0.0408 (6)	−0.0082 (6)	0.0240 (5)	−0.0160 (6)
F2	0.0580 (8)	0.0317 (7)	0.0672 (9)	0.0153 (7)	0.0511 (7)	0.0202 (7)
F3	0.0308 (6)	0.0250 (6)	0.0497 (7)	0.0006 (5)	0.0259 (5)	0.0063 (6)
F4	0.0343 (6)	0.0516 (9)	0.0268 (6)	0.0053 (6)	0.0156 (5)	−0.0129 (6)
O3	0.0351 (7)	0.0342 (8)	0.0360 (7)	0.0132 (6)	0.0264 (6)	0.0099 (7)
O4	0.0517 (8)	0.0473 (10)	0.0434 (8)	0.0181 (8)	0.0399 (7)	0.0113 (8)
O5	0.0310 (6)	0.0467 (9)	0.0249 (6)	−0.0063 (7)	0.0198 (6)	−0.0098 (7)
O6	0.0264 (6)	0.0339 (8)	0.0271 (6)	0.0089 (6)	0.0164 (6)	−0.0004 (6)
C7	0.0255 (8)	0.0251 (9)	0.0335 (9)	0.0018 (8)	0.0224 (8)	0.0009 (8)
C8	0.0299 (9)	0.0238 (9)	0.0320 (9)	0.0029 (8)	0.0235 (8)	0.0022 (8)
C9	0.0234 (8)	0.0251 (9)	0.0207 (8)	0.0022 (8)	0.0130 (7)	−0.0009 (7)
C10	0.0183 (7)	0.0277 (10)	0.0244 (8)	−0.0013 (8)	0.0140 (7)	−0.0047 (8)

Geometric parameters (Å, º) top

F1—C8	1.358 (2)	N2—H2N	0.9332
F2—C8	1.355 (3)	N3—H3B	0.8978
F3—C9	1.348 (2)	N3—H3C	0.9185
F4—C9	1.353 (2)	N3—H3A	0.9085
O1—C6	1.199 (3)	C1—C4	1.490 (3)
O2—C6	1.310 (3)	C1—C2	1.349 (3)
O2—H22	0.92 (5)	C4—C5	1.529 (2)
O3—C7	1.236 (2)	C5—C6	1.512 (3)
O4—C7	1.237 (3)	C2—H2	0.8974
O5—C10	1.230 (2)	C3—H3	0.9035
O6—C10	1.244 (2)	C4—H4B	0.9509
N1—C3	1.316 (4)	C4—H4A	0.9698
N1—C2	1.377 (3)	C5—H5	0.8895
N2—C3	1.316 (3)	C7—C8	1.560 (4)
N2—C1	1.384 (3)	C8—C9	1.540 (4)
N3—C5	1.497 (3)	C9—C10	1.557 (4)
N1—H1N	0.8451

F1···C3ⁱ	3.368 (3)	N2···N1	2.135 (3)
F1···C3ⁱⁱ	3.290 (3)	N2···C7^x	3.416 (3)
F1···O3ⁱⁱⁱ	3.124 (2)	N2···F1^x	3.181 (3)
F1···F3	2.829 (2)	N2···O3^xi	2.690 (3)
F1···O3	2.649 (2)	N3···O6^vii	2.775 (2)
F1···C3^iv	3.187 (3)	N3···O4^xi	3.079 (3)
F1···O5	2.862 (3)	N3···O1	2.683 (3)
F1···N2^iv	3.181 (3)	N3···F2^x	3.062 (3)
F2···N3^iv	3.062 (3)	N3···O4^x	2.958 (3)
F2···F4	2.647 (2)	C1···O2	3.256 (3)
F2···O6	3.183 (3)	C2···C2ⁱⁱ	3.572 (4)
F2···C7ⁱⁱⁱ	3.259 (3)	C2···C6	3.323 (2)
F2···O3ⁱⁱⁱ	3.084 (2)	C2···O2	3.244 (3)
F2···O4	2.637 (3)	C2···C4^v	3.585 (3)
F3···O6^v	2.983 (2)	C3···F1ⁱⁱ	3.290 (3)
F3···O3	2.897 (3)	C3···F1^x	3.187 (3)
F3···O5	2.696 (2)	C3···C7^x	3.369 (3)
F3···F1	2.829 (2)	C3···F3^ix	2.862 (2)
F3···C10^v	3.134 (2)	C3···O3^ix	3.158 (3)
F3···C3ⁱ	2.862 (2)	C3···F1^ix	3.368 (3)
F3···O2^v	2.991 (3)	C3···O3^x	3.159 (3)
F3···N1ⁱ	3.083 (2)	C4···C2ⁱⁱⁱ	3.585 (3)
F4···F2	2.647 (2)	C4···O1ⁱⁱⁱ	3.229 (2)
F4···O6	2.622 (2)	C4···O4^xi	3.359 (4)
F1···H3ⁱⁱ	2.8168	C5···O1^vii	3.360 (3)
F2···H3B^iv	2.7065	C5···O6^vii	3.337 (2)
F2···H3A^iv	2.5718	C5···O1ⁱⁱⁱ	3.040 (3)
F3···H22^v	2.78 (5)	C6···C2	3.323 (2)
F3···H3ⁱ	2.5351	C6···O6	3.310 (3)
F4···H3C^vi	2.6907	C6···O1^vii	3.145 (3)
O1···C5^v	3.040 (3)	C7···C3^iv	3.369 (3)
O1···C4^v	3.229 (2)	C7···F2^v	3.259 (3)
O1···N3	2.683 (3)	C7···N2^iv	3.416 (3)
O1···C5^vi	3.360 (3)	C9···O2^v	3.398 (3)
O1···C6^vi	3.145 (3)	C10···O2^v	3.208 (3)
O1···O2^vi	3.204 (2)	C10···O2	3.286 (3)
O1···O6^vii	3.231 (2)	C10···F3ⁱⁱⁱ	3.134 (2)
O2···O1^vii	3.204 (2)	C1···H3A	2.9338
O2···C10ⁱⁱⁱ	3.208 (3)	C2···H4A^v	2.9183
O2···F3ⁱⁱⁱ	2.991 (3)	C2···H2ⁱⁱ	3.0528
O2···C10	3.286 (3)	C6···H5^vi	3.0206
O2···O6	2.544 (3)	C7···H3A^iv	2.8647
O2···C1	3.256 (3)	C7···H3B^viii	3.0178
O2···C2	3.244 (3)	C7···H2N^viii	2.6879
O2···C9ⁱⁱⁱ	3.398 (3)	C10···H22	2.42 (4)
O3···F3	2.897 (3)	C10···H1Nⁱⁱ	2.9187
O3···F2^v	3.084 (2)	C10···H4B^v	3.0495
O3···C3ⁱ	3.158 (3)	C10···H3C^vi	2.9226
O3···F1^v	3.124 (2)	H1N···O5ⁱⁱ	1.9558
O3···C3^iv	3.159 (3)	H1N···C10ⁱⁱ	2.9187
O3···F1	2.649 (2)	H2···C2ⁱⁱ	3.0528
O3···N2^viii	2.690 (3)	H2···O2	2.8327
O4···F2	2.637 (3)	H2N···C7^xi	2.6879
O4···N3^iv	2.958 (3)	H2N···O3^xi	1.7568
O4···C4^viii	3.359 (4)	H2N···H4A	2.4719
O4···N3^viii	3.079 (3)	H3···F1ⁱⁱ	2.8168
O5···N1ⁱⁱ	2.796 (2)	H3···F3^ix	2.5351
O5···F1	2.862 (3)	H3···O3^ix	2.2647
O5···F3	2.696 (2)	H3A···C1	2.9338
O6···F4	2.622 (2)	H3A···F2^x	2.5718
O6···C6	3.310 (3)	H3A···O4^x	2.0639
O6···F3ⁱⁱⁱ	2.983 (2)	H3A···O1	2.6063
O6···F2	3.183 (3)	H3A···C7^x	2.8647
O6···N3^vi	2.775 (2)	H3B···H4A	2.5015
O6···O2	2.544 (3)	H3B···F2^x	2.7065
O6···C5^vi	3.337 (2)	H3B···C7^xi	3.0178
O6···O1^vi	3.231 (2)	H3B···O4^xi	2.2185
O1···H5^v	2.2868	H3C···O6^vii	1.8904
O1···H3C	2.6400	H3C···C10^vii	2.9226
O1···H5^vi	2.7565	H3C···F4^vii	2.6907
O1···H4A^v	2.8580	H3C···O1	2.6400
O1···H3A	2.6063	H4A···C2ⁱⁱⁱ	2.9183
O2···H4B	2.5244	H4A···H2N	2.4719
O2···H2	2.8327	H4A···O1ⁱⁱⁱ	2.8580
O3···H3ⁱ	2.2647	H4A···O4^xi	2.5791
O3···H2N^viii	1.7568	H4A···H3B	2.5015
O4···H4A^viii	2.5791	H4B···O5ⁱⁱⁱ	2.6125
O4···H3A^iv	2.0639	H4B···O2	2.5244
O4···H3B^viii	2.2185	H4B···C10ⁱⁱⁱ	3.0495
O5···H4B^v	2.6125	H5···O1ⁱⁱⁱ	2.2868
O5···H22	2.74 (4)	H5···O1^vii	2.7565
O5···H1Nⁱⁱ	1.9558	H5···C6^vii	3.0206
O6···H22	1.63 (5)	H22···O6	1.63 (5)
O6···H3C^vi	1.8904	H22···C10	2.42 (4)
N1···N2	2.135 (3)	H22···F3ⁱⁱⁱ	2.78 (5)
N1···O5ⁱⁱ	2.796 (2)	H22···O5	2.74 (4)
N1···F3^ix	3.083 (2)

C6—O2—H22	112 (3)	N2—C3—H3	121.55
C2—N1—C3	108.9 (2)	C1—C4—H4A	109.62
C1—N2—C3	109.5 (2)	C1—C4—H4B	109.40
C3—N1—H1N	124.92	C5—C4—H4A	111.33
C2—N1—H1N	125.73	C5—C4—H4B	107.12
C3—N2—H2N	126.99	H4A—C4—H4B	103.76
C1—N2—H2N	123.25	N3—C5—H5	106.84
C5—N3—H3A	111.49	C4—C5—H5	105.66
C5—N3—H3B	110.68	C6—C5—H5	109.75
C5—N3—H3C	110.75	O3—C7—O4	129.3 (3)
H3B—N3—H3C	108.66	O3—C7—C8	114.3 (2)
H3A—N3—H3B	106.16	O4—C7—C8	116.44 (19)
H3A—N3—H3C	108.97	F1—C8—F2	106.61 (17)
N2—C1—C2	105.74 (19)	F1—C8—C7	109.18 (18)
N2—C1—C4	121.6 (2)	F1—C8—C9	107.6 (2)
C2—C1—C4	132.6 (2)	F2—C8—C7	110.9 (2)
N1—C2—C1	107.4 (2)	F2—C8—C9	107.05 (19)
N1—C3—N2	108.5 (2)	C7—C8—C9	115.11 (18)
C1—C4—C5	114.98 (17)	F3—C9—F4	106.63 (16)
C4—C5—C6	112.92 (17)	F3—C9—C8	108.04 (18)
N3—C5—C4	112.7 (2)	F3—C9—C10	110.3 (2)
N3—C5—C6	108.74 (18)	F4—C9—C8	107.3 (2)
O1—C6—C5	122.9 (2)	F4—C9—C10	111.41 (18)
O2—C6—C5	111.01 (18)	C8—C9—C10	112.95 (17)
O1—C6—O2	126.1 (2)	O5—C10—O6	128.7 (2)
N1—C2—H2	121.09	O5—C10—C9	116.38 (18)
C1—C2—H2	131.53	O6—C10—C9	114.90 (17)
N1—C3—H3	129.49

C2—N1—C3—N2	0.4 (3)	O4—C7—C8—F1	−138.9 (2)
C3—N1—C2—C1	−0.2 (3)	O4—C7—C8—F2	−21.8 (3)
C3—N2—C1—C4	−178.21 (19)	O4—C7—C8—C9	99.9 (3)
C1—N2—C3—N1	−0.5 (3)	F1—C8—C9—F3	−73.8 (2)
C3—N2—C1—C2	0.4 (2)	F1—C8—C9—F4	171.54 (16)
N2—C1—C4—C5	−102.7 (2)	F1—C8—C9—C10	48.4 (2)
C4—C1—C2—N1	178.2 (2)	F2—C8—C9—F3	171.88 (17)
N2—C1—C2—N1	−0.1 (2)	F2—C8—C9—F4	57.3 (2)
C2—C1—C4—C5	79.2 (3)	F2—C8—C9—C10	−65.9 (2)
C1—C4—C5—N3	67.1 (3)	C7—C8—C9—F3	48.1 (2)
C1—C4—C5—C6	−56.6 (3)	C7—C8—C9—F4	−66.5 (2)
N3—C5—C6—O1	9.2 (3)	C7—C8—C9—C10	170.36 (15)
N3—C5—C6—O2	−171.53 (15)	F3—C9—C10—O5	39.5 (3)
C4—C5—C6—O1	135.1 (2)	F3—C9—C10—O6	−141.1 (2)
C4—C5—C6—O2	−45.7 (3)	F4—C9—C10—O5	157.6 (2)
O3—C7—C8—F1	39.9 (3)	F4—C9—C10—O6	−22.9 (3)
O3—C7—C8—F2	157.1 (2)	C8—C9—C10—O5	−81.5 (2)
O3—C7—C8—C9	−81.2 (2)	C8—C9—C10—O6	97.9 (2)

Symmetry codes: (i) −x+1, y−1, −z+1; (ii) −x+1, y, −z+1; (iii) x, y+1, z; (iv) x+1/2, y−1/2, z; (v) x, y−1, z; (vi) −x+1/2, y−1/2, −z; (vii) −x+1/2, y+1/2, −z; (viii) x+1/2, y−3/2, z; (ix) −x+1, y+1, −z+1; (x) x−1/2, y+1/2, z; (xi) x−1/2, y+3/2, z.

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
N1—H1N···O5ⁱⁱ	0.85	1.96	2.796 (2)	172
N2—H2N···O3^xi	0.93	1.76	2.690 (3)	179
N3—H3A···O4^x	0.91	2.06	2.958 (3)	168
N3—H3B···O4^xi	0.90	2.22	3.079 (3)	160
N3—H3C···O6^vii	0.92	1.89	2.775 (2)	161
O2—H22···O6	0.92 (5)	1.63 (5)	2.544 (3)	171 (4)
C3—H3···F3^ix	0.90	2.54	2.862 (2)	102
C3—H3···O3^ix	0.90	2.26	3.158 (3)	170
C4—H4A···O4^xi	0.97	2.58	3.359 (4)	138
C5—H5···O1ⁱⁱⁱ	0.89	2.29	3.040 (3)	142

Symmetry codes: (ii) −x+1, y, −z+1; (iii) x, y+1, z; (vii) −x+1/2, y+1/2, −z; (ix) −x+1, y+1, −z+1; (x) x−1/2, y+1/2, z; (xi) x−1/2, y+3/2, z.

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L-Histidinium tetra­fluoro­succinate

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L-Histidinium tetrafluorosuccinate