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The title compound, [MeC(NHiPr)2][Ga(C6F5)4] crystallizes as discrete ions forming interionic hydrogen bonds of the type N-H...F.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S0108270100003899/qb0173sup1.cif
Contains datablocks jor17, II

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S0108270100003899/qb0173IIsup2.hkl
Contains datablock I

CCDC reference: 144695

Comment top

As part of our reactivity studies of cationic Group 13 metal complexes (Coles & Jordan, 1997; Ihara et al., 1998; Radzewich et al., 1998, 1999), the reaction of the Ga amidinate salt [{MeC(NiPr)2}2Ga2Me3][B(C6F5)4], (I), with H2O was investigated. Compound (I) reacts readily with H2O to yield the title compound, (II).

Complex (II) crystallizes as discrete acetamidinium cations {MeC(NHiPr)2}+ and Ga(C6F5)4- anions that form interionic hydrogen bonds. There are two likely hydrogen-bonding interactions N1—H1···F21(1/2 - x, -1/2 + y, z) and N2—H2···F16(-1/2 + x, y, 1/2 - z), with N···F separations of 3.121 (4) and 3.135 (3) Å, and N—H···F angles of 162 and 167°, respectively.

The bond distances and angles in the cation (Table 1) are very similar to those in the closely related acetamidinium cations in [MeC(NH2)2]Cl (Cannon et al., 1975) and [{MeC(NH2)2}2]CO3 (Norrestam, 1984). The bond angles about the central C28 atom [average 120.0 (6)°] are very similar and their sum is ca 360°, as expected for an sp2-carbon. The bond distances C28—N1 [1.306 (4) Å] and C28—N2 [1.311 (4) Å] are statistically equivalent. These bond distances are intermediate between normal Csp2—N single (1.458 Å; Sutton, 1965) and CN double [1.271 (2) Å; Levine, 1963] bond distances and are similar to those in [{MeC(NH2)2}2]CO3 (Norrestam, 1984). Thus, the π electrons are delocalized over the NCN unit. The NiPr units are normal and the C27 and C30 iPr groups are oriented syn and anti with respect to the C29 Me group [torsion angles: C30—N2—C28—C20 - 176.8 (3)°; C27—N1—C28—C29 0.3 (5)°].

The Ga(C6F5)4- anion adopts a nearly ideal tetrahedral structure. The angles about the Ga atom range between 105.0 (1) (C1—Ga—C13) and 112.8 (1)° (C1—Ga—C19), and thus remain close to the ideal tetrahedral angle of 109.47°. The Ga—C bond lengths [average 2.009 (13) Å] are in excellent agreement with the Ga—C distances in [(Ph3P)2N][Ga(C6F5)4] [average 2.01 (2) Å; Tebbe et al., 1996] and are slightly longer than those in GaPh3 [average 1.957 (16) Å; Malone & McDonald, 1970], probably due to a less electrophilic Ga center in Ga(C6F5)4-.

Experimental top

Analytically pure (II) (70 mg, 0.35 mmol) was dissolved in wet C6H5Cl (ca 0.5 ml) and layered with pentane (ca 3 ml). Colorless crystals of (II) formed after 3 d at 296 K.

Computing details top

Data collection: SMART (Bruker, 1996); cell refinement: SMART; data reduction: SHELXTL (Sheldrick, 1997); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.

(II) top
Crystal data top
(C8H19N2)[Ga(C6F5)4]Dx = 1.743 Mg m3
Mr = 881.21Mo Kα radiation, λ = 0.71073 Å
Orthorhombic, PbcaCell parameters from 5204 reflections
a = 21.4651 (12) Åθ = 2–27°
b = 13.3773 (8) ŵ = 0.96 mm1
c = 23.3868 (14) ÅT = 193 K
V = 6715.4 (7) Å3Block, yellow
Z = 80.35 × 0.32 × 0.10 mm
F(000) = 3488
Data collection top
Bruker CCD area-detector
diffractometer
6850 independent reflections
Radiation source: fine-focus sealed tube3685 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.084
ϕ scansθmax = 26.4°, θmin = 1.7°
Absorption correction: empirical (using intensity measurements)
(SADABS; Blessing, 1995)
h = 026
Tmin = 0.730, Tmax = 0.910k = 016
31325 measured reflectionsl = 029
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.045Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.075H-atom parameters constrained
S = 1.01 w = 1/[σ2(Fo2) + (0.018P)2]
where P = (Fo2 + 2Fc2)/3
6850 reflections(Δ/σ)max < 0.001
501 parametersΔρmax = 0.54 e Å3
0 restraintsΔρmin = 0.62 e Å3
Crystal data top
(C8H19N2)[Ga(C6F5)4]V = 6715.4 (7) Å3
Mr = 881.21Z = 8
Orthorhombic, PbcaMo Kα radiation
a = 21.4651 (12) ŵ = 0.96 mm1
b = 13.3773 (8) ÅT = 193 K
c = 23.3868 (14) Å0.35 × 0.32 × 0.10 mm
Data collection top
Bruker CCD area-detector
diffractometer
6850 independent reflections
Absorption correction: empirical (using intensity measurements)
(SADABS; Blessing, 1995)
3685 reflections with I > 2σ(I)
Tmin = 0.730, Tmax = 0.910Rint = 0.084
31325 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0450 restraints
wR(F2) = 0.075H-atom parameters constrained
S = 1.01Δρmax = 0.54 e Å3
6850 reflectionsΔρmin = 0.62 e Å3
501 parameters
Special details top

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) 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
xyzUiso*/Ueq
Ga0.194642 (15)0.51404 (3)0.085128 (15)0.02842 (10)
F20.15938 (8)0.35577 (13)0.00361 (8)0.0348 (5)
F30.09805 (9)0.18092 (14)0.00205 (8)0.0461 (6)
F40.04889 (9)0.11822 (15)0.10284 (9)0.0537 (6)
F50.06413 (9)0.23119 (16)0.19839 (9)0.0553 (6)
F60.12699 (9)0.40314 (15)0.19382 (8)0.0478 (6)
F80.25073 (8)0.70001 (14)0.02328 (9)0.0471 (6)
F90.21259 (9)0.80882 (15)0.06716 (9)0.0560 (6)
F100.09778 (9)0.77666 (16)0.11313 (9)0.0596 (6)
F110.02450 (9)0.62906 (15)0.07094 (9)0.0551 (6)
F120.06397 (7)0.51537 (14)0.01590 (8)0.0369 (5)
F140.28221 (8)0.52247 (15)0.02924 (7)0.0407 (5)
F150.40159 (8)0.47103 (16)0.04396 (8)0.0490 (6)
F160.46641 (8)0.38543 (16)0.04193 (9)0.0535 (6)
F170.41078 (8)0.35012 (16)0.14407 (9)0.0562 (6)
F180.29093 (8)0.40436 (16)0.16059 (8)0.0477 (6)
F200.30374 (9)0.61860 (15)0.16117 (8)0.0481 (6)
F210.29733 (9)0.73682 (16)0.25227 (9)0.0567 (6)
F220.18592 (10)0.78659 (16)0.29804 (9)0.0627 (6)
F230.07862 (9)0.71443 (16)0.25009 (9)0.0575 (6)
F240.08438 (8)0.59526 (16)0.15837 (8)0.0473 (6)
N10.10520 (13)0.1598 (2)0.34098 (13)0.0443 (9)
H10.12680.19330.31540.053*
N20.06356 (12)0.3095 (2)0.36789 (11)0.0353 (8)
H20.03900.34050.39230.042*
C10.14550 (13)0.3887 (2)0.09427 (14)0.0246 (8)
C20.13612 (14)0.3262 (3)0.04815 (14)0.0261 (8)
C30.10512 (15)0.2380 (3)0.04932 (16)0.0312 (9)
C40.07973 (15)0.2051 (3)0.10053 (17)0.0345 (9)
C50.08773 (15)0.2631 (3)0.14805 (16)0.0348 (9)
C60.12003 (15)0.3503 (3)0.14421 (16)0.0332 (9)
C70.15985 (14)0.6018 (2)0.02255 (13)0.0245 (8)
C80.19417 (15)0.6787 (3)0.00017 (15)0.0325 (8)
C90.17551 (16)0.7371 (3)0.04587 (16)0.0355 (9)
C100.11813 (18)0.7199 (3)0.06934 (15)0.0381 (10)
C110.08108 (15)0.6460 (3)0.04808 (15)0.0339 (9)
C120.10297 (14)0.5890 (2)0.00337 (15)0.0275 (8)
C130.28143 (14)0.4686 (2)0.06705 (14)0.0272 (8)
C140.31246 (14)0.4811 (2)0.01558 (14)0.0296 (8)
C150.37327 (16)0.4547 (3)0.00641 (15)0.0337 (9)
C160.40629 (15)0.4110 (3)0.04970 (16)0.0355 (9)
C170.37742 (16)0.3936 (3)0.10135 (16)0.0374 (10)
C180.31714 (15)0.4224 (3)0.10847 (15)0.0338 (9)
C190.19403 (15)0.6001 (2)0.15608 (13)0.0270 (8)
C200.24636 (16)0.6388 (3)0.18202 (15)0.0320 (9)
C210.24403 (17)0.7003 (3)0.22903 (16)0.0366 (10)
C220.18813 (18)0.7250 (3)0.25261 (15)0.0382 (9)
C230.13452 (17)0.6891 (3)0.22837 (16)0.0365 (10)
C240.13890 (15)0.6280 (3)0.18137 (15)0.0316 (9)
C250.18166 (17)0.0279 (3)0.35101 (19)0.0734 (14)
H25A0.20580.04950.31770.110*
H25B0.18650.04440.35620.110*
H25C0.19670.06270.38520.110*
C260.0887 (2)0.0053 (4)0.2896 (2)0.140 (3)
H26A0.04580.02810.28380.211*
H26B0.08920.06750.29390.211*
H26C0.11420.02450.25660.211*
C270.11424 (18)0.0521 (3)0.34183 (19)0.0545 (12)
H270.09050.02500.37520.065*
C280.06865 (14)0.2125 (3)0.37394 (15)0.0314 (9)
C290.03027 (15)0.1627 (3)0.41896 (15)0.0425 (10)
H29A0.05770.12890.44630.064*
H29B0.00250.11360.40110.064*
H29C0.00530.21310.43910.064*
C300.09452 (15)0.3723 (3)0.32468 (15)0.0385 (10)
H300.09680.33370.28810.046*
C310.05455 (18)0.4639 (3)0.31482 (16)0.0602 (12)
H31A0.01430.44360.29890.090*
H31B0.07560.50890.28800.090*
H31C0.04790.49860.35120.090*
C320.16051 (16)0.3991 (3)0.34296 (16)0.0565 (12)
H32A0.15890.44400.37600.085*
H32B0.18200.43240.31130.085*
H32C0.18310.33800.35330.085*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Ga0.02855 (19)0.0353 (2)0.0215 (2)0.00341 (19)0.00270 (19)0.0001 (2)
F20.0441 (11)0.0412 (13)0.0192 (12)0.0017 (10)0.0035 (9)0.0004 (10)
F30.0650 (13)0.0368 (13)0.0365 (14)0.0004 (11)0.0078 (11)0.0077 (12)
F40.0639 (14)0.0374 (14)0.0598 (17)0.0148 (11)0.0033 (12)0.0044 (11)
F50.0729 (15)0.0562 (15)0.0367 (15)0.0159 (12)0.0161 (12)0.0129 (12)
F60.0746 (15)0.0482 (14)0.0207 (13)0.0152 (12)0.0067 (11)0.0014 (11)
F80.0386 (12)0.0477 (14)0.0551 (15)0.0156 (11)0.0083 (10)0.0052 (11)
F90.0713 (15)0.0441 (14)0.0526 (16)0.0087 (12)0.0116 (11)0.0165 (12)
F100.0836 (16)0.0567 (15)0.0384 (15)0.0198 (13)0.0078 (12)0.0157 (12)
F110.0432 (13)0.0697 (17)0.0525 (16)0.0084 (12)0.0239 (11)0.0044 (12)
F120.0273 (10)0.0403 (12)0.0430 (13)0.0038 (10)0.0039 (9)0.0014 (11)
F140.0405 (11)0.0615 (14)0.0202 (11)0.0146 (10)0.0046 (9)0.0056 (11)
F150.0476 (12)0.0705 (16)0.0288 (13)0.0137 (12)0.0067 (10)0.0039 (12)
F160.0357 (12)0.0720 (17)0.0529 (16)0.0166 (11)0.0003 (11)0.0083 (13)
F170.0456 (13)0.0722 (17)0.0510 (15)0.0111 (12)0.0134 (11)0.0272 (13)
F180.0469 (13)0.0615 (15)0.0347 (14)0.0001 (11)0.0018 (10)0.0216 (12)
F200.0323 (11)0.0612 (14)0.0507 (15)0.0125 (11)0.0018 (11)0.0187 (11)
F210.0583 (14)0.0657 (15)0.0461 (15)0.0196 (12)0.0180 (12)0.0166 (12)
F220.0892 (17)0.0581 (15)0.0409 (15)0.0047 (13)0.0041 (13)0.0250 (13)
F230.0539 (14)0.0663 (16)0.0523 (16)0.0087 (12)0.0162 (12)0.0125 (13)
F240.0310 (11)0.0682 (16)0.0429 (15)0.0006 (11)0.0062 (10)0.0089 (12)
N10.047 (2)0.042 (2)0.044 (2)0.0021 (16)0.0150 (16)0.0001 (18)
N20.0419 (18)0.046 (2)0.0176 (18)0.0134 (16)0.0093 (14)0.0043 (16)
C10.0191 (17)0.035 (2)0.020 (2)0.0005 (15)0.0020 (15)0.0023 (17)
C20.0266 (19)0.035 (2)0.017 (2)0.0007 (17)0.0000 (16)0.0055 (18)
C30.032 (2)0.032 (2)0.030 (2)0.0047 (18)0.0056 (18)0.0045 (19)
C40.034 (2)0.025 (2)0.044 (3)0.0038 (17)0.0009 (18)0.006 (2)
C50.042 (2)0.034 (2)0.028 (3)0.0037 (19)0.0051 (18)0.012 (2)
C60.038 (2)0.037 (2)0.025 (2)0.0009 (18)0.0041 (18)0.0023 (19)
C70.0246 (19)0.027 (2)0.021 (2)0.0039 (16)0.0016 (16)0.0028 (17)
C80.0275 (19)0.035 (2)0.034 (2)0.0007 (19)0.0009 (19)0.0039 (19)
C90.047 (3)0.029 (2)0.031 (2)0.0001 (18)0.0085 (19)0.0010 (19)
C100.056 (3)0.031 (2)0.027 (3)0.014 (2)0.003 (2)0.0014 (19)
C110.032 (2)0.039 (2)0.031 (2)0.0108 (19)0.0066 (18)0.0054 (19)
C120.027 (2)0.027 (2)0.028 (2)0.0009 (17)0.0071 (17)0.0044 (18)
C130.0329 (19)0.028 (2)0.021 (2)0.0019 (16)0.0076 (15)0.0021 (17)
C140.0286 (19)0.035 (2)0.025 (2)0.0035 (18)0.0113 (17)0.0035 (18)
C150.037 (2)0.037 (2)0.027 (2)0.0017 (17)0.0014 (18)0.0022 (18)
C160.025 (2)0.043 (2)0.039 (3)0.0063 (18)0.0034 (19)0.002 (2)
C170.035 (2)0.040 (2)0.037 (3)0.0035 (18)0.0162 (19)0.015 (2)
C180.038 (2)0.036 (2)0.027 (2)0.0065 (18)0.0007 (18)0.0082 (18)
C190.0309 (19)0.031 (2)0.019 (2)0.0047 (18)0.0028 (18)0.0002 (16)
C200.029 (2)0.035 (2)0.031 (3)0.0040 (18)0.0006 (18)0.0006 (19)
C210.045 (2)0.037 (2)0.027 (3)0.008 (2)0.0090 (19)0.0009 (19)
C220.059 (3)0.033 (2)0.023 (2)0.002 (2)0.003 (2)0.0058 (18)
C230.045 (2)0.036 (2)0.028 (3)0.007 (2)0.0063 (19)0.0006 (19)
C240.029 (2)0.037 (2)0.028 (2)0.0035 (18)0.0066 (17)0.0021 (19)
C250.076 (3)0.049 (3)0.095 (4)0.011 (3)0.025 (3)0.004 (3)
C260.148 (5)0.077 (4)0.196 (7)0.034 (4)0.113 (5)0.075 (4)
C270.068 (3)0.028 (2)0.067 (3)0.000 (2)0.014 (2)0.005 (2)
C280.026 (2)0.047 (3)0.022 (2)0.0060 (18)0.0050 (16)0.007 (2)
C290.038 (2)0.057 (3)0.032 (2)0.0038 (19)0.0003 (18)0.011 (2)
C300.048 (2)0.044 (3)0.024 (2)0.000 (2)0.0097 (18)0.0002 (19)
C310.079 (3)0.055 (3)0.046 (3)0.011 (2)0.012 (2)0.017 (2)
C320.054 (3)0.063 (3)0.052 (3)0.007 (2)0.014 (2)0.023 (2)
Geometric parameters (Å, º) top
Ga—C11.993 (3)C1—C61.388 (4)
Ga—C132.005 (3)C2—C31.355 (4)
Ga—C72.019 (3)C3—C41.387 (5)
Ga—C192.020 (3)C4—C51.366 (5)
F2—C21.368 (3)C5—C61.360 (4)
F3—C31.352 (4)C7—C81.373 (4)
F4—C41.338 (4)C7—C121.374 (4)
F5—C51.351 (4)C8—C91.383 (5)
F6—C61.367 (4)C9—C101.368 (4)
F8—C81.362 (3)C10—C111.363 (5)
F9—C91.342 (4)C11—C121.377 (4)
F10—C101.347 (4)C13—C181.381 (4)
F11—C111.346 (3)C13—C141.386 (4)
F12—C121.369 (3)C14—C151.369 (4)
F14—C141.351 (3)C15—C161.367 (4)
F15—C151.344 (4)C16—C171.377 (5)
F16—C161.347 (3)C17—C181.360 (4)
F17—C171.360 (3)C19—C241.375 (4)
F18—C181.364 (4)C19—C201.378 (4)
F20—C201.352 (3)C20—C211.374 (4)
F21—C211.358 (3)C21—C221.361 (4)
F22—C221.346 (4)C22—C231.369 (4)
F23—C231.346 (4)C23—C241.373 (5)
F24—C241.360 (3)C25—C271.498 (4)
N1—C281.306 (4)C26—C271.477 (5)
N1—C271.454 (4)C28—C291.493 (4)
N2—C281.311 (4)C30—C311.514 (5)
N2—C301.472 (4)C30—C321.522 (4)
C1—C21.380 (4)
C1—Ga—C13105.03 (12)C18—C13—Ga120.2 (3)
C1—Ga—C7111.78 (13)C14—C13—Ga126.4 (2)
C13—Ga—C7111.54 (13)F14—C14—C15116.2 (3)
C1—Ga—C19112.84 (13)F14—C14—C13119.5 (3)
C13—Ga—C19110.62 (13)C15—C14—C13124.3 (3)
C7—Ga—C19105.18 (13)F15—C15—C16119.0 (3)
C28—N1—C27127.3 (3)F15—C15—C14121.8 (3)
C28—N2—C30126.9 (3)C16—C15—C14119.3 (3)
C2—C1—C6112.1 (3)F16—C16—C15120.3 (3)
C2—C1—Ga120.2 (3)F16—C16—C17120.4 (3)
C6—C1—Ga127.6 (3)C15—C16—C17119.2 (3)
C3—C2—F2116.7 (3)F17—C17—C18122.1 (3)
C3—C2—C1125.7 (3)F17—C17—C16118.7 (3)
F2—C2—C1117.6 (3)C18—C17—C16119.2 (3)
F3—C3—C2122.0 (3)C17—C18—F18116.9 (3)
F3—C3—C4118.9 (3)C17—C18—C13124.7 (3)
C2—C3—C4119.1 (3)F18—C18—C13118.5 (3)
F4—C4—C5121.5 (3)C24—C19—C20114.2 (3)
F4—C4—C3120.3 (3)C24—C19—Ga120.9 (2)
C5—C4—C3118.2 (3)C20—C19—Ga124.8 (3)
F5—C5—C6121.3 (3)F20—C20—C21116.2 (3)
F5—C5—C4118.8 (3)F20—C20—C19120.6 (3)
C6—C5—C4119.8 (3)C21—C20—C19123.2 (3)
C5—C6—F6116.3 (3)F21—C21—C22119.6 (3)
C5—C6—C1125.0 (3)F21—C21—C20120.3 (3)
F6—C6—C1118.7 (3)C22—C21—C20120.1 (3)
C8—C7—C12113.5 (3)F22—C22—C21120.0 (3)
C8—C7—Ga121.2 (2)F22—C22—C23120.8 (3)
C12—C7—Ga125.2 (3)C21—C22—C23119.2 (3)
F8—C8—C7118.6 (3)F23—C23—C22120.3 (3)
F8—C8—C9116.8 (3)F23—C23—C24120.8 (3)
C7—C8—C9124.6 (3)C22—C23—C24118.8 (3)
F9—C9—C10120.3 (3)F24—C24—C23116.7 (3)
F9—C9—C8121.2 (3)F24—C24—C19118.9 (3)
C10—C9—C8118.4 (3)C23—C24—C19124.4 (3)
F10—C10—C11119.8 (3)N1—C27—C26111.0 (4)
F10—C10—C9120.2 (4)N1—C27—C25110.2 (3)
C11—C10—C9120.1 (4)C26—C27—C25112.7 (4)
F11—C11—C10120.2 (3)N1—C28—N2121.4 (3)
F11—C11—C12121.1 (3)N1—C28—C29120.5 (3)
C10—C11—C12118.7 (3)N2—C28—C29118.1 (3)
F12—C12—C7119.2 (3)N2—C30—C31108.1 (3)
F12—C12—C11116.1 (3)N2—C30—C32111.2 (3)
C7—C12—C11124.7 (3)C31—C30—C32112.3 (3)
C18—C13—C14113.4 (3)

Experimental details

Crystal data
Chemical formula(C8H19N2)[Ga(C6F5)4]
Mr881.21
Crystal system, space groupOrthorhombic, Pbca
Temperature (K)193
a, b, c (Å)21.4651 (12), 13.3773 (8), 23.3868 (14)
V3)6715.4 (7)
Z8
Radiation typeMo Kα
µ (mm1)0.96
Crystal size (mm)0.35 × 0.32 × 0.10
Data collection
DiffractometerBruker CCD area-detector
diffractometer
Absorption correctionEmpirical (using intensity measurements)
(SADABS; Blessing, 1995)
Tmin, Tmax0.730, 0.910
No. of measured, independent and
observed [I > 2σ(I)] reflections
31325, 6850, 3685
Rint0.084
(sin θ/λ)max1)0.625
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.045, 0.075, 1.01
No. of reflections6850
No. of parameters501
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.54, 0.62

Computer programs: SMART (Bruker, 1996), SMART, SHELXTL (Sheldrick, 1997), SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), SHELXTL.

Selected geometric parameters (Å, º) top
Ga—C11.993 (3)N1—C281.306 (4)
Ga—C132.005 (3)N1—C271.454 (4)
Ga—C72.019 (3)N2—C281.311 (4)
Ga—C192.020 (3)N2—C301.472 (4)
C1—Ga—C13105.03 (12)C13—Ga—C19110.62 (13)
C1—Ga—C7111.78 (13)C7—Ga—C19105.18 (13)
C13—Ga—C7111.54 (13)C28—N1—C27127.3 (3)
C1—Ga—C19112.84 (13)C28—N2—C30126.9 (3)
 

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