data_2004941
_journal_name_full  'Acta Crystallographica'
_journal_year       1996
_journal_volume    'C52'
_journal_page_first     1348
_journal_page_last     1350
_publ_section_title
;
Tetrakis(diphenylamido-N)hafnium
;
_chemical_formula_iupac     '[Hf (C12 H10 N1)4]'
_chemical_formula_moiety     'C48 H40 Hf N4'
_chemical_formula_sum     'C48 H40 Hf N4'
_chemical_formula_structural     'C48 H40 Hf N4'
_chemical_formula_weight     851.33
_symmetry_cell_setting    'triclinic'
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'
_symmetry_space_group_name_H-M     'P -1'
_cell_length_a     9.781(2)
_cell_length_b     10.597(2)
_cell_length_c     20.216(4)
_cell_angle_alpha     101.49(3)
_cell_angle_beta     93.85(3)
_cell_angle_gamma     109.53(3)
_cell_volume     1914.8(7)
_cell_formula_units_Z     2
_exptl_crystal_density_diffrn     1.477
_cell_measurement_temperature     193(2)
loop_
_atom_site_label
_atom_site_occupancy
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Hf1 1  .83215(2)  .23068(2)  .239672(8)  .02485(8)
N1 1  .8747(4)  .3222(4)  .1594(2)  .0294(8)
N2 1  .9800(4)  .3652(4)  .3239(2)  .0279(7)
N3 1  .8176(4)  .0281(3)  .2089(2)  .0264(7)
N4 1  .6211(4)  .2076(4)  .2581(2)  .0297(8)
C1 1 1.0319(5)  .3794(4)  .1641(2)  .0291(9)
C2 1 1.1034(5)  .5202(5)  .1702(2)  .0361(10)
H2 1 1.051(6)    .576(5)    .167(3)    .044(15)
C3 1 1.2541(5)  .5747(6)  .1787(3)  .0421(12)
H3 1 1.297(5)    .664(5)    .184(2)    .027(12)
C4 1 1.3371(5)  .4926(6)  .1835(3)  .0468(13)
H4 1 1.440(6)    .530(6)    .186(3)    .050(15)
C5 1 1.2669(5)  .3533(6)  .1773(3)  .0432(12)
H5 1 1.323(6)    .292(6)    .176(3)    .053(16)
C6 1 1.1142(5)  .2960(5)  .1671(2)  .0334(10)
H6 1 1.069(5)    .194(5)    .157(3)    .041(14)
C7 1  .7913(5)  .3472(4)  .1066(2)  .0283(9)
C8 1  .8397(5)  .3542(5)  .0441(2)  .0352(10)
H8 1  .930(6)    .344(5)    .036(3)    .039(13)
C9 1  .7538(6)  .3682(5)  -.0095(2)  .0441(12)
H9 1  .790(6)    .373(6)    -.052(3)    .060(17)
C10 1  .6166(6)  .3742(5)  -.0011(3)  .0455(12)
H10 1  .564(7)    .384(6)    -.036(3)    .062(18)
C11 1  .5681(6)  .3694(5)  .0610(3)  .0436(12)
H11 1  .478(6)    .378(5)    .068(3)    .039(13)
C12 1  .6554(5)  .3583(5)  .1151(2)  .0357(10)
H12 1  .626(5)    .354(5)    .158(3)    .040(14)
C13 1 1.0542(5)  .3232(4)  .3741(2)  .0299(9)
C14 1 1.0129(5)  .3295(5)  .4393(2)  .0365(10)
H14 1  .939(6)    .366(5)    .452(3)    .043(14)
C15 1 1.0773(6)  .2790(6)  .4858(3)  .0459(12)
H15 1 1.050(6)    .293(5)    .528(3)    .042(14)
C16 1 1.1835(6)  .2246(6)  .4687(3)  .0472(13)
H16 1 1.226(6)    .190(6)    .497(3)    .052(16)
C17 1 1.2295(6)  .2240(5)  .4060(3)  .0421(12)
H17 1 1.301(6)    .190(6)    .395(3)    .054(16)
C18 1 1.1654(5)  .2729(5)  .3581(2)  .0327(10)
H18 1 1.197(6)    .269(5)    .313(3)    .046(14)
C19 1 1.0197(5)  .5095(5)  .3332(2)  .0309(9)
C20 1  .9220(6)  .5633(5)  .3057(3)  .0399(11)
H20 1  .828(6)    .502(5)    .280(3)    .038(13)
C21 1  .9595(7)  .7031(6)  .3122(3)  .0468(13)
H21 1  .887(6)    .728(6)    .292(3)    .047(15)
C22 1 1.0941(7)  .7934(6)  .3463(3)  .0554(15)
H22 1 1.119(6)    .881(6)    .354(3)    .040(14)
C23 1 1.1913(7)  .7440(6)  .3741(3)  .0519(14)
H23 1 1.283(8)    .803(7)    .397(4)    .08(2)
C24 1 1.1549(5)  .6033(5)  .3680(3)  .0412(11)
H24 1 1.222(5)    .573(5)    .383(2)    .030(12)
C25 1  .8195(4)  -.0619(4)  .1464(2)  .0290(9)
C26 1  .8225(5) -0.1928(5)  .1445(3)  .0365(10)
H26 1  .816(5)   -0.225(5)    .185(3)    .035(13)
C27 1  .8253(5) -0.2785(5)  .0838(3)  .0398(11)
H27 1  .831(5)   -0.366(5)    .083(2)    .032(12)
C28 1  .8287(5) -0.2358(5)  .0238(3)  .0421(12)
H28 1  .832(4)   -0.289(4)    -.017(2)    .015(10)
C29 1  .8281(5) -0.1041(6)  .0252(3)  .0414(11)
H29 1  .832(5)    -.078(5)    -.014(3)    .042(14)
C30 1  .8223(5)  -.0196(5)  .0853(2)  .0347(10)
H30 1  .825(5)    .068(5)    .088(2)    .025(11)
C31 1  .7576(5)  -.0385(4)  .2624(2)  .0285(9)
C32 1  .6123(5) -0.1280(5)  .2524(3)  .0401(11)
H32 1  .553(7)   -0.149(6)    .209(3)    .069(19)
C33 1  .5534(6) -0.1826(6)  .3053(3)  .0460(12)
H33 1  .457(5)   -0.235(5)    .299(2)    .033(12)
C34 1  .6386(6) -0.1450(5)  .3690(3)  .0444(12)
H34 1  .596(7)   -0.184(7)    .404(4)    .08(2)
C35 1  .7817(6)  -.0591(5)  .3786(3)  .0422(11)
H35 1  .850(6)    -.032(6)    .419(3)    .051(15)
C36 1  .8420(5)  -.0066(5)  .3248(2)  .0358(10)
H36 1  .932(5)    .046(5)    .333(2)    .026(12)
C37 1  .4890(5)  .1145(4)  .2154(2)  .0309(9)
C38 1  .4932(5)  .0605(5)  .1477(2)  .0369(10)
H38 1  .572(5)    .082(5)    .131(2)    .026(12)
C39 1  .3676(6)  -.0304(5)  .1052(3)  .0464(12)
H39 1  .376(5)    -.066(5)    .061(3)    .036(13)
C40 1  .2342(6)  -.0680(6)  .1296(3)  .0502(13)
H40 1  .152(6)   -0.126(6)    .097(3)    .053(16)
C41 1  .2307(6)  -.0162(6)  .1965(3)  .0503(13)
H41 1  .143(6)    -.041(5)    .212(3)    .043(14)
C42 1  .3547(5)  .0728(5)  .2394(3)  .0382(11)
H42 1  .345(5)    .094(4)    .281(2)    .020(11)
C43 1  .6073(5)  .2737(5)  .3254(2)  .0350(10)
C44 1  .6290(5)  .2192(6)  .3800(2)  .0429(12)
H44 1  .642(5)    .131(5)    .370(3)    .041(14)
C45 1  .6292(6)  .2893(8)  .4459(3)  .057(2)
H45 1  .648(5)    .257(5)    .480(3)    .036(13)
C46 1  .6108(6)  .4140(7)  .4571(3)  .059(2)
H46 1  .614(6)    .464(6)    .504(3)    .064(18)
C47 1  .5836(7)  .4651(6)  .4028(3)  .060(2)
H47 1  .572(6)    .553(6)    .407(3)    .056(17)
C48 1  .5799(6)  .3952(5)  .3370(3)  .0471(12)
H48 1  .564(6)    .435(6)    .292(3)    .064(17)