Hetero-biicosahedral [Au<sub>24</sub>Pd(PPh<sub>3</sub>)<sub>10</sub>(SC<sub>2</sub>H<sub>4</sub>Ph)<sub>5</sub>Cl<sub>2</sub>]<sup>+</sup> nanocluster: selective synthesis and optical and electrochemical properties.
Nair, Lakshmi V.; Hossain, Sakiat; Takagi, Shunjiro; Imai, Yukari; Hu, Guoxiang; Wakayama, Shota; Kumar, Bharat; Kurashige, Wataru; Jiang, De-En; Negishi, Yuichi; Nanoscale 10 (2018) 18969–18979; doi:10.1039/c8nr04078h

data_1549778
_publ_section_title
;
 Hetero-biicosahedral
 [Au<sub>24</sub>Pd(PPh<sub>3</sub>)<sub>10</sub>(SC<sub>2</sub>H<sub>4</sub>Ph)<sub>5</sub>Cl<sub>2</sub>]<sup>+</sup>
 nanocluster: selective synthesis and optical and electrochemical
 properties.
;
_journal_issue                   40
_journal_name_full               Nanoscale
_journal_page_first              18969
_journal_page_last               18979
_journal_paper_doi               10.1039/c8nr04078h
_journal_volume                  10
_journal_year                    2018
_chemical_compound_source
'Crystallized by slow evaporation of a DCM-Hexane solution of the cluster at low tempereture'
_chemical_formula_moiety         'C220 H195 Au24.01 Cl2 P10 Pd0.99 S5, Cl'
_chemical_formula_sum            'C220 H194.5 Au24.01 Cl3 P10 Pd0.99 S5'
_chemical_formula_weight         8249.32
_chemical_name_common            Au24Pd-biicosahedral
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-04-27
_audit_creation_method
;
Olex2 1.2
(compiled 2018.04.18 svn.r3501 for OlexSys, GUI svn.r5488)
;
_audit_update_record
;
2018-05-19 deposited with the CCDC.
2018-08-10 downloaded from the CCDC.
;
_cell_angle_alpha                75.3930(10)
_cell_angle_beta                 74.9100(10)
_cell_angle_gamma                84.0290(10)
_cell_formula_units_Z            4
_cell_length_a                   20.474(2)
_cell_length_b                   31.755(4)
_cell_length_c                   36.216(4)
_cell_measurement_reflns_used    9778
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.69
_cell_measurement_theta_min      2.28
_cell_volume                     21981(4)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0620
_diffrn_reflns_av_unetI/netI     0.0918
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       -40
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            244227
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.720
_diffrn_reflns_theta_min         1.226
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.236
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5484
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0843 before and 0.0442 after correction. The Ratio of minimum to maximum transmission is 0.7357. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            brown
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    2.493
_exptl_crystal_description       block
_exptl_crystal_F_000             14952
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method
'Slow evaporation of a DCM-Hexane solution of the cluster at low tempereture'
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.09
_refine_diff_density_max         4.063
_refine_diff_density_min         -2.543
_refine_diff_density_rms         0.328
_refine_ls_extinction_coef       0.0000035(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     4198
_refine_ls_number_reflns         92330
_refine_ls_number_restraints     9498
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.1148
_refine_ls_R_factor_gt           0.0594
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0001P)^2^+829.1947P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1158
_refine_ls_wR_factor_ref         0.1364
_reflns_Friedel_coverage         0.000
_reflns_number_gt                57781
_reflns_number_total             92330
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nr04078h2.cif
_cod_data_source_block           Au24Pd-Biicosahedral
_cod_depositor_comments          'Adding full bibliography for 1549778.cif.'
_cod_original_formula_sum        'C220 H194.50 Au24.01 Cl3 P10 Pd0.99 S5'
_cod_database_code               1549778
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.323
_shelx_estimated_absorpt_t_min   0.124
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All C(H,H,H,H) groups
2. Shared sites
{Au47, Pd47}
{Au48, Pd48}
{Au49, Pd49}
{Au50, Pd50}
3. Restrained distances
 C419-C385
 1.52 with sigma of 0.02
 C419-C417
 1.52 with sigma of 0.02
 C471-C477
 1.52 with sigma of 0.02
 C346-C477
 1.52 with sigma of 0.02
 C427-C353
 1.47 with sigma of 0.02
 C418-C353
 1.55 with sigma of 0.02
4. Restrained planarity
 C381, C380, C379, C384, C383, C382
 with sigma of 0.1
 C367, C366, C368, C369, C370, C371
 with sigma of 0.1
5. Uiso/Uaniso restraints and constraints
All non-hydrogen atoms have similar U: within 1.7A with sigma of 0.01 and sigma
for terminal atoms of 0.02
Uanis(C397) \\sim Ueq, Uanis(C398) \\sim Ueq, Uanis(C399) \\sim Ueq,
Uanis(C400) \\sim Ueq, Uanis(C401) \\sim Ueq, Uanis(C402) \\sim Ueq,
Uanis(C367) \\sim Ueq, Uanis(C368) \\sim Ueq, Uanis(C369) \\sim Ueq,
Uanis(C370) \\sim Ueq, Uanis(C371) \\sim Ueq, Uanis(C366) \\sim Ueq: with sigma
of 0.01 and sigma for terminal atoms of 0.02
Uanis(C417) \\sim Ueq, Uanis(C419) \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.02
Uanis(C392) \\sim Ueq, Uanis(C393) \\sim Ueq, Uanis(C394) \\sim Ueq,
Uanis(C395) \\sim Ueq, Uanis(C396) \\sim Ueq, Uanis(C391) \\sim Ueq,
Uanis(C465) \\sim Ueq, Uanis(C466) \\sim Ueq, Uanis(C467) \\sim Ueq,
Uanis(C468) \\sim Ueq, Uanis(C469) \\sim Ueq, Uanis(C470) \\sim Ueq: with sigma
of 0.005 and sigma for terminal atoms of 0.001
Uanis(C418) \\sim Ueq, Uanis(C353) \\sim Ueq, Uanis(C427) \\sim Ueq,
Uanis(C426) \\sim Ueq, Uanis(C431) \\sim Ueq, Uanis(C428) \\sim Ueq,
Uanis(C429) \\sim Ueq, Uanis(C430) \\sim Ueq, Uanis(C346) \\sim Ueq,
Uanis(C477) \\sim Ueq, Uanis(C471) \\sim Ueq, Uanis(C472) \\sim Ueq,
Uanis(C473) \\sim Ueq, Uanis(C474) \\sim Ueq, Uanis(C475) \\sim Ueq,
Uanis(C476) \\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
Uanis(C327) \\sim Ueq, Uanis(C328) \\sim Ueq, Uanis(C461) \\sim Ueq,
Uanis(C326) \\sim Ueq, Uanis(C459) \\sim Ueq, Uanis(C460) \\sim Ueq,
Uanis(C329) \\sim Ueq, Uanis(C462) \\sim Ueq, Uanis(C330) \\sim Ueq,
Uanis(C463) \\sim Ueq, Uanis(C325) \\sim Ueq, Uanis(C464) \\sim Ueq: with sigma
of 0.005 and sigma for terminal atoms of 0.001
Uanis(Au49) = Uanis(Pd49)
Uanis(Au50) = Uanis(Pd50)
Uanis(Au47) = Uanis(Pd47)
Uanis(Au48) = Uanis(Pd48)
6. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.002
7. Others
 Sof(Pd47)=1-FVAR(1)
 Sof(Au47)=FVAR(1)
 Sof(Pd48)=1-FVAR(2)
 Sof(Au48)=FVAR(2)
 Sof(Pd49)=1-FVAR(3)
 Sof(Au49)=FVAR(3)
 Sof(Pd50)=1-FVAR(4)
 Sof(Au50)=FVAR(4)
 Sof(C433)=Sof(C434)=Sof(H434)=Sof(C435)=Sof(H435)=Sof(C436)=Sof(H436)=
 Sof(C437)=Sof(H437)=Sof(C438)=Sof(H438)=1-FVAR(5)
 Sof(C360)=Sof(H360)=Sof(C361)=Sof(H361)=Sof(C362)=Sof(H362)=Sof(C363)=
 Sof(H363)=Sof(C364)=Sof(H364)=Sof(C365)=FVAR(5)
 Sof(C420)=Sof(C421)=Sof(H421)=Sof(C422)=Sof(H422)=Sof(C423)=Sof(H423)=
 Sof(C424)=Sof(H424)=Sof(C425)=Sof(H425)=1-FVAR(6)
 Sof(C439)=Sof(C440)=Sof(H440)=Sof(C441)=Sof(H441)=Sof(C442)=Sof(H442)=
 Sof(C443)=Sof(H443)=Sof(C444)=Sof(H444)=FVAR(6)
 Sof(H37C)=Sof(H37D)=Sof(C445)=Sof(H445)=Sof(C446)=Sof(H446)=Sof(C447)=
 Sof(H447)=Sof(C448)=Sof(H448)=Sof(C449)=Sof(H449)=Sof(C450)=Sof(C452)=
 Sof(H45C)=Sof(H45D)=1-FVAR(7)
 Sof(H37A)=Sof(H37B)=Sof(C410)=Sof(C411)=Sof(H411)=Sof(C412)=Sof(H412)=
 Sof(C413)=Sof(H413)=Sof(C414)=Sof(H414)=Sof(C415)=Sof(H415)=Sof(C451)=
 Sof(H45A)=Sof(H45B)=FVAR(7)
 Sof(C453)=Sof(C454)=Sof(H454)=Sof(C455)=Sof(H455)=Sof(C456)=Sof(H456)=
 Sof(C457)=Sof(H457)=Sof(C458)=Sof(H458)=1-FVAR(8)
 Sof(C347)=Sof(H347)=Sof(C348)=Sof(H348)=Sof(C349)=Sof(H349)=Sof(C350)=
 Sof(H350)=Sof(C351)=Sof(H351)=Sof(C352)=FVAR(8)
 Sof(C459)=Sof(H459)=Sof(C460)=Sof(H460)=Sof(C461)=Sof(H461)=Sof(C462)=
 Sof(H462)=Sof(C463)=Sof(H463)=Sof(C464)=1-FVAR(9)
 Sof(C325)=Sof(C326)=Sof(H326)=Sof(C327)=Sof(H327)=Sof(C328)=Sof(H328)=
 Sof(C329)=Sof(H329)=Sof(C330)=Sof(H330)=FVAR(9)
 Sof(C465)=Sof(C466)=Sof(H466)=Sof(C467)=Sof(H467)=Sof(C468)=Sof(H468)=
 Sof(C469)=Sof(H469)=Sof(C470)=Sof(H470)=1-FVAR(10)
 Sof(C391)=Sof(C392)=Sof(H392)=Sof(C393)=Sof(H393)=Sof(C394)=Sof(H394)=
 Sof(C395)=Sof(H395)=Sof(C396)=Sof(H396)=FVAR(10)
8.a Secondary CH2 refined with riding coordinates:
 C234(H23A,H23B), C235(H23C,H23D), C236(H23E,H23F), C237(H23G,H23H), C239(H23I,
 H23J), C240(H24A,H24B), C253(H25A,H25B), C260(H26A,H26B), C274(H27A,H27B),
 C299(H29A,H29B), C338(H33A,H33B), C346(H34A,H34B), C353(H35A,H35B), C378(H37A,
 H37B), C378(H37C,H37D), C403(H40A,H40B), C417(H41A,H41B), C418(H41E,H41F),
 C419(H41C,H41D), C451(H45A,H45B), C452(H45C,H45D), C477(H47A,H47B)
8.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C8(H8), C9(H9), C10(H10), C11(H11),
 C13(H13), C14(H14), C15(H15), C16(H16), C17(H17), C19(H19), C20(H20), C21(H21),
  C22(H22), C23(H23), C25(H25), C26(H26), C27(H27), C28(H28), C29(H29),
 C32(H32), C33(H33), C34(H34), C35(H35), C37(H37), C38(H38), C39(H39), C40(H40),
  C41(H41), C43(H43), C44(H44), C45(H45), C46(H46), C47(H47), C49(H49),
 C50(H50), C51(H51), C52(H52), C53(H53), C55(H55), C56(H56), C57(H57), C58(H58),
  C59(H59), C61(H61), C62(H62), C63(H63), C64(H64), C65(H65), C67(H67),
 C68(H68), C69(H69), C70(H70), C71(H71), C73(H73), C74(H74), C75(H75), C76(H76),
  C77(H77), C79(H79), C80(H80), C81(H81), C82(H82), C83(H83), C85(H85),
 C86(H86), C87(H87), C88(H88), C89(H89), C91(H91), C92(H92), C93(H93), C94(H94),
  C95(H95), C97(H97), C98(H98), C99(H99), C100(H100), C101(H101), C103(H103),
 C104(H104), C105(H105), C106(H106), C107(H107), C109(H109), C110(H110),
 C111(H111), C112(H112), C113(H113), C115(H115), C116(H116), C117(H117),
 C118(H118), C119(H119), C121(H121), C122(H122), C123(H123), C124(H124),
 C125(H125), C127(H127), C128(H128), C129(H129), C130(H130), C131(H131),
 C133(H133), C134(H134), C135(H135), C136(H136), C137(H137), C139(H139),
 C140(H140), C141(H141), C142(H142), C143(H143), C145(H145), C146(H146),
 C147(H147), C148(H148), C149(H149), C151(H151), C152(H152), C153(H153),
 C154(H154), C155(H155), C157(H157), C158(H158), C159(H159), C160(H160),
 C161(H161), C163(H163), C164(H164), C165(H165), C166(H166), C167(H167),
 C169(H169), C170(H170), C171(H171), C172(H172), C173(H173), C175(H175),
 C176(H176), C177(H177), C178(H178), C179(H179), C181(H181), C182(H182),
 C183(H183), C184(H184), C185(H185), C187(H187), C188(H188), C189(H189),
 C190(H190), C191(H191), C193(H193), C194(H194), C195(H195), C196(H196),
 C197(H197), C199(H199), C200(H200), C201(H201), C202(H202), C203(H203),
 C205(H205), C206(H206), C207(H207), C208(H208), C209(H209), C211(H211),
 C212(H212), C213(H213), C214(H214), C215(H215), C217(H217), C218(H218),
 C219(H219), C220(H220), C221(H221), C223(H223), C224(H224), C225(H225),
 C226(H226), C227(H227), C229(H229), C230(H230), C231(H231), C232(H232),
 C233(H233), C238(H238), C242(H242), C243(H243), C244(H244), C245(H245),
 C246(H246), C248(H248), C249(H249), C250(H250), C251(H251), C252(H252),
 C255(H255), C256(H256), C257(H257), C258(H258), C259(H259), C262(H262),
 C263(H263), C264(H264), C265(H265), C266(H266), C269(H269), C270(H270),
 C271(H271), C272(H272), C273(H273), C276(H276), C277(H277), C278(H278),
 C279(H279), C280(H280), C282(H282), C283(H283), C284(H284), C285(H285),
 C286(H286), C288(H288), C289(H289), C290(H290), C291(H291), C292(H292),
 C294(H294), C295(H295), C296(H296), C297(H297), C298(H298), C300(H300),
 C302(H302), C303(H303), C304(H304), C305(H305), C306(H306), C308(H308),
 C309(H309), C310(H310), C311(H311), C312(H312), C314(H314), C315(H315),
 C316(H316), C317(H317), C318(H318), C320(H320), C321(H321), C322(H322),
 C323(H323), C324(H324), C326(H326), C327(H327), C328(H328), C329(H329),
 C330(H330), C332(H332), C333(H333), C334(H334), C335(H335), C336(H336),
 C337(H337), C339(H339), C341(H341), C342(H342), C343(H343), C344(H344),
 C345(H345), C347(H347), C348(H348), C349(H349), C350(H350), C351(H351),
 C355(H355), C356(H356), C357(H357), C358(H358), C359(H359), C360(H360),
 C361(H361), C362(H362), C363(H363), C364(H364), C366(H366), C368(H368),
 C369(H369), C370(H370), C371(H371), C373(H373), C374(H374), C375(H375),
 C376(H376), C377(H377), C379(H379), C380(H380), C382(H382), C383(H383),
 C384(H384), C386(H386), C387(H387), C388(H388), C389(H389), C390(H390),
 C392(H392), C393(H393), C394(H394), C395(H395), C396(H396), C398(H398),
 C399(H399), C400(H400), C401(H401), C402(H402), C405(H405), C406(H406),
 C407(H407), C408(H408), C409(H409), C411(H411), C412(H412), C413(H413),
 C414(H414), C415(H415), C416(H416), C421(H421), C422(H422), C423(H423),
 C424(H424), C425(H425), C426(H426), C428(H428), C429(H429), C430(H430),
 C431(H431), C432(H432), C434(H434), C435(H435), C436(H436), C437(H437),
 C438(H438), C440(H440), C441(H441), C442(H442), C443(H443), C444(H444),
 C445(H445), C446(H446), C447(H447), C448(H448), C449(H449), C454(H454),
 C455(H455), C456(H456), C457(H457), C458(H458), C459(H459), C460(H460),
 C461(H461), C462(H462), C463(H463), C466(H466), C467(H467), C468(H468),
 C469(H469), C470(H470), C472(H472), C473(H473), C474(H474), C475(H475),
 C476(H476)
8.c Fitted hexagon refined as free rotating group:
 C1(C2,C3,C4,C5,C6), C12(C13,C14,C15,C16,C17), C18(C19,C20,C21,C22,C23),
 C24(C25,C26,C27,C28,C29), C30(C31,C32,C33,C34,C35), C36(C37,C38,C39,C40,C41),
 C42(C43,C44,C45,C46,C47), C48(C49,C50,C51,C52,C53), C54(C55,C56,C57,C58,C59),
 C60(C61,C62,C63,C64,C65), C66(C67,C68,C69,C70,C71), C72(C73,C74,C75,C76,C77),
 C78(C79,C80,C81,C82,C83), C84(C85,C86,C87,C88,C89), C90(C91,C92,C93,C94,C95),
 C96(C97,C98,C99,C100,C101), C102(C103,C104,C105,C106,C107), C108(C109,C110,
 C111,C112,C113), C114(C115,C116,C117,C118,C119), C120(C121,C122,C123,C124,
 C125), C126(C127,C128,C129,C130,C131), C132(C133,C134,C135,C136,C137),
 C138(C139,C140,C141,C142,C143), C144(C145,C146,C147,C148,C149), C150(C151,C152,
 C153,C154,C155), C156(C157,C158,C159,C160,C161), C162(C163,C164,C165,C166,
 C167), C168(C169,C170,C171,C172,C173), C174(C175,C176,C177,C178,C179),
 C180(C181,C182,C183,C184,C185), C186(C187,C188,C189,C190,C191), C192(C193,C194,
 C195,C196,C197), C198(C199,C200,C201,C202,C203), C204(C205,C206,C207,C208,
 C209), C210(C211,C212,C213,C214,C215), C216(C217,C218,C219,C220,C221),
 C222(C223,C224,C225,C226,C227), C228(C229,C230,C231,C232,C233), C241(C242,C243,
 C244,C245,C246), C247(C248,C249,C250,C251,C252), C254(C255,C256,C257,C258,
 C259), C261(C262,C263,C264,C265,C266), C268(C269,C270,C271,C272,C273),
 C275(C276,C277,C278,C279,C280), C281(C282,C283,C284,C285,C286), C287(C288,C289,
 C290,C291,C292), C293(C294,C295,C296,C297,C298), C301(C302,C303,C304,C305,
 C306), C307(C308,C309,C310,C311,C312), C313(C314,C315,C316,C317,C318),
 C319(C320,C321,C322,C323,C324), C325(C326,C327,C328,C329,C330), C331(C332,C333,
 C334,C335,C336), C340(C341,C342,C343,C344,C345), C347(C348,C349,C350,C351,
 C352), C354(C355,C356,C357,C358,C359), C360(C361,C362,C363,C364,C365),
 C366(C367,C368,C369,C370,C371), C372(C373,C374,C375,C376,C377), C379(C380,C381,
 C382,C383,C384), C385(C386,C387,C388,C389,C390), C391(C392,C393,C394,C395,
 C396), C397(C398,C399,C400,C401,C402), C404(C405,C406,C407,C408,C409),
 C410(C411,C412,C413,C414,C415), C420(C421,C422,C423,C424,C425), C426(C427,C428,
 C429,C430,C431), C433(C434,C435,C436,C437,C438), C439(C440,C441,C442,C443,
 C444), C445(C446,C447,C448,C449,C450), C453(C454,C455,C456,C457,C458),
 C465(C466,C467,C468,C469,C470), C471(C472,C473,C474,C475,C476)
;
_shelx_res_checksum              24718
_olex2_submission_special_instructions 'No special instructions were received'