Structures by: Petrova R.

Total: 52

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=15.3324(6)Å   b=5.1202(2)Å   c=18.0418(7)Å

α=90°   β=90.979(4)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=15.3847(5)Å   b=5.2035(2)Å   c=18.2280(7)Å

α=90°   β=90.913(3)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=11.7774(7)Å   b=5.3159(16)Å   c=23.349(3)Å

α=90°   β=97.592(7)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=11.8744(7)Å   b=5.3140(5)Å   c=23.4934(14)Å

α=90°   β=97.072(5)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=7.4723(5)Å   b=17.3131(8)Å   c=11.3273(5)Å

α=90°   β=90°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=7.6060(6)Å   b=17.2147(9)Å   c=11.3303(6)Å

α=90°   β=90°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=10.966(5)Å   b=12.084(5)Å   c=11.968(5)Å

α=90°   β=110.14(4)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=10.9709(4)Å   b=11.8263(3)Å   c=11.9472(4)Å

α=90°   β=110.334(4)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=29.4285(19)Å   b=8.8477(5)Å   c=11.4839(6)Å

α=90°   β=97.468(5)°   γ=90°

C18H16N2O2

C18H16N2O2

Kurteva, VanyaShivatchev, BorisPetrova, RosicaAntonov, LiudmilLubenov, Lubomir A.Atanassova, MariaSimova, Svetlana

RSC Adv. (2015)

a=29.4372(12)Å   b=9.0498(4)Å   c=11.4930(4)Å

α=90°   β=97.479(4)°   γ=90°

Sodiumhydrogensquaratemonohydrate

Na,C4H1O4,H2O1

Nadia PetrovaBoris ShivachevTsonko KolevRosica Petrova

Acta Crystallographica Section E (2006) 62, 6 m1359-m1361

a=3.6239(10)Å   b=8.1320(11)Å   c=9.392(4)Å

α=90.00°   β=97.97(3)°   γ=90.00°

Betaine of aminoguanidine monohydrate

C2H6N4O2,H2O

Tsonko KolevRosica Petrova

Acta Crystallographica Section E (2003) 59, 4 o447-o449

a=9.1929(8)Å   b=4.8380(5)Å   c=13.2467(11)Å

α=90.00°   β=93.073(7)°   γ=90.00°

(3RS,4RS)-3-(2-Furyl)-2-phenetyl-4-(pyrrolidin-1-ylcarbonyl)-3,4- dihydroisoquinolin-1(2H)-one

C26H26N2O3

Rosica PetrovaBoris ShivachevKrasimir KosevMalinka StoyanovaSilvia Angelova

Acta Crystallographica Section E (2005) 61, 7 o2248-o2250

a=11.9675(15)Å   b=11.066(2)Å   c=32.7891(14)Å

α=90.00°   β=90.00°   γ=90.00°

Bis phenylguanidinium carbonate monohydrate

2C7H10N31,CO32,H2O

Kolev, TsonkoTodorov, TodorPetrova, Rosica

Acta Crystallographica Section E (2002) 58, 2 o111-o113

a=15.527(3)Å   b=10.648(5)Å   c=13.081(5)Å

α=90.00°   β=125.98(2)°   γ=90.00°

2-{3-[(E)-(3,4-Dimethoxyphenyl)ethenyl]-5,5-dimethylcyclohex-2- enylidene}malononitrile

C21H22N2O2

Tsonko KolevDenitsa YanchevaBoris ShivachevRosica PetrovaMichael Spiteller

Acta Crystallographica Section E (2005) 61, 3 o550-o552

a=8.711(2)Å   b=18.005(3)Å   c=12.5175(18)Å

α=90.00°   β=107.66(2)°   γ=90.00°

6-O-acetylcodeine

C20H23NO4

Tsonko KolevRumyana BakalskaBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2005) 61, 8 o2582-o2584

a=8.628(2)Å   b=12.727(2)Å   c=15.4842(19)Å

α=90.00°   β=90.00°   γ=90.00°

Codeinone

C18H19NO3

Tsonko KolevRumyana BakalskaBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2006) 62, 1 o255-o257

a=7.2541(10)Å   b=14.0943(14)Å   c=14.3507(15)Å

α=90.00°   β=90.00°   γ=90.00°

2-[(2-ethoxy-3,4-dioxocyclobut-1-en-1-yl)amino]-3-phenylpropaneamide

C15H16N2O4,0.5H2O

Kolev, TsonkoPetrova, RosicaSpiteller, Michael

Acta Crystallographica Section E (2004) 60, 4 o634-o636

a=9.244(3)Å   b=12.115(3)Å   c=14.2116(19)Å

α=90.00°   β=95.78(2)°   γ=90.00°

[1-(hydroxyethylamino)propyl]phosphonic acid

C5H14NO4P

Shivachev, BorisPetrova, RosicaKossev, KrassimirTroev, Kolio

Acta Crystallographica Section E (2005) 61, 1 o134-o136

a=9.525(3)Å   b=5.992(3)Å   c=14.817(2)Å

α=90.00°   β=94.77(2)°   γ=90.00°

Phenylglycinium hydrogen squarate monohydrate

C12H13NO7

Angelova, O.Petrova, R.Radomirska, V.Kolev, T.

Acta Crystallographica Section C (1996) 52, 9 2218-2220

a=8.366(2)Å   b=11.066(2)Å   c=14.562(2)Å

α=90°   β=90°   γ=90°

N-(2-pyridinium)urea perchlorate

C6H8N3O,ClO4

Velichka VelikovaOlyana AngelovaRosica PetrovaKrasimir Kossev

Acta Crystallographica Section C (1997) 53, 7 971-973

a=5.946(2)Å   b=16.441(4)Å   c=9.582(2)Å

α=90°   β=100.14(2)°   γ=90°

2-(nitramino)pyridine

C5H5N3O2

Angelova, OlyanaPetrova, RosicaAtanasov, Vladimir

Acta Crystallographica Section C (1998) 54, 3 441-442

a=18.331(4)Å   b=3.678(3)Å   c=17.0520(10)Å

α=90°   β=98.43(2)°   γ=90°

Magnesium sulfate tetraurea monohydrate

Mg(O4C4N8H16),(H2O),(SO4)

Todor TodorovRosica PetrovaKrasimir KossevJosef MacíčekOlyana Angelova

Acta Crystallographica Section C (1998) 54, 4 456-458

a=9.345(2)Å   b=14.683(4)Å   c=11.244(3)Å

α=90°   β=93.07(2)°   γ=90°

Hexakis(urea)magnesium chlorate

C6H24MgN12O6,2(ClO3)

Todorov, TodorPetrova, RosicaKossev, KrasimirMacíček, JosefAngelova, Olyana

Acta Crystallographica Section C (1998) 54, 7 927-929

a=10.435(2)Å   b=7.312(3)Å   c=14.596(2)Å

α=90°   β=101.29(2)°   γ=90°

Tetrakis(Thiourea)cadmium perrhenate

C4H16CdN8O8Re2S4

Petrova, R.Angelova, O.Bakardjieva, S.Macícek, J.

Acta Crystallographica Section C (1996) 52, 10 2432-2434

a=7.016(2)Å   b=13.603(2)Å   c=11.551(2)Å

α=90°   β=107.16(1)°   γ=90°

Bisthiourea-cadmium perrhenate

C2H8CdN4O8Re2S2

Petrova, R.Angelova, O.Macícek, J.

Acta Crystallographica Section C (1996) 52, 8 1935-1939

a=5.935(4)Å   b=11.358(1)Å   c=10.490(2)Å

α=90°   β=94.66(1)°   γ=90°

Bisthiourea-cadmium perrhenate

C2H8CdN4O8Re2S2

Petrova, R.Angelova, O.Macícek, J.

Acta Crystallographica Section C (1996) 52, 8 1935-1939

a=8.931(2)Å   b=9.066(3)Å   c=10.125(1)Å

α=76.46(2)°   β=67.08(1)°   γ=66.39(3)°

Neodymium diselenite seleniousf acid dihydrate

Nd2(Se2O5)3,H2SeO3,2H2O

Miluvka StanchevaRosica PetrovaJosef Macíček

Acta Crystallographica Section C (1998) 54, 6 699-701

a=10.665(5)Å   b=7.219(2)Å   c=23.662(3)Å

α=90.00°   β=90.00°   γ=90.00°

Hexakis(Thiourea)cadmium perrhenate monohydrate

[Cd(CH4N2S)6],2(ReO4),H2O

Rosica PetrovaOlyana AngelovaJosef Macíček

Acta Crystallographica Section C (1997) 53, 5 565-568

a=15.543(2)Å   b=14.0250(10)Å   c=14.676(5)Å

α=90°   β=112.42(2)°   γ=90°

N-(2-pyridinium)urea perrhenate

C6H8N3O.ReO4

Velichka VelikovaRosica PetrovaOlyana Angelova

Acta Crystallographica Section C (1997) 53, 9 1230-1232

a=5.2150(10)Å   b=9.167(3)Å   c=10.597(4)Å

α=74.61(3)°   β=84.65(2)°   γ=86.42(5)°

Magnesium Sulfate Hexaurea Hemihydrate

[Mg(CH4N2O)6](SO4),0.5(H2O)

Todor TodorovRosica PetrovaKrasimir KossevJosef MacíčekOlyana Angelova

Acta Crystallographica Section C (1998) 54, 12 1758-1760

a=15.316(5)Å   b=19.798(5)Å   c=14.484(2)Å

α=90°   β=90°   γ=90°

3'-Aminocyclohexanespiro-5'-hydantoin--phenylboronic acid (1/1)

C8H13N3O2,C6H7BO2

Boris ShivachevRosica PetrovaEmilia Naydenova

Acta Crystallographica Section E (2006) 62, 9 o3887-o3889

a=6.0430(10)Å   b=12.0940(11)Å   c=12.3011(12)Å

α=62.514(7)°   β=89.291(9)°   γ=80.182(8)°

Pyridinium-betaine of squaric acid

C9H5NO3

Tsonko KolevDenitsa YanchevaBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2007) 63, 7 o3259-o3259

a=5.0654(2)Å   b=18.8003(17)Å   c=8.1609(4)Å

α=90.00°   β=90.00°   γ=90.00°

Isoquinolinone

C9H7NO

Rosica PetrovaRositsa TitorenkovaBoris Shivachev

Acta Crystallographica Section E (2007) 63, 12 o4751-o4751

a=11.6138(17)Å   b=5.2965(9)Å   c=12.2946(9)Å

α=90.00°   β=111.745(9)°   γ=90.00°

4-phenylpyridinium hydrogentartrate dihydrate

C11H10N,C4H5O6,2H2O

Tsonko KolevBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2007) 63, 5 o2511-o2511

a=7.3051(16)Å   b=11.850(2)Å   c=18.165(3)Å

α=90.00°   β=90.00°   γ=90.00°

1,2,3,4-Tetrahydroisoquinolinium hydrogensquarate

C9H12N,C4HO4

Tsonko KolevBoris ShivachevRosica PetrovaIliyan IvanovStoyanka AtanasovaStela Statkova

Acta Crystallographica Section E (2007) 63, 8 o3353-o3354

a=8.1456(10)Å   b=10.936(2)Å   c=13.6897(12)Å

α=77.81(2)°   β=78.170(17)°   γ=74.319(13)°

[(4,4-dimethyl-2-oxo-1,3-oxazolidin-3-yl)methyl]phosphonic acid

C6H12NO5P

Petar TodorovEmilia NaydenovaRosica PetrovaBoris ShivachevKolio Troev

Acta Crystallographica Section C (2006) 62, 11 o661-o662

a=9.2775(13)Å   b=6.7213(16)Å   c=14.875(2)Å

α=90.00°   β=94.614(11)°   γ=90.00°

3-benzoylpyridinium betaine of squaric acid

C16H9NO4

Tsonko KolevDenitsa YanchevaBoris ShivachevRosica PetrovaMichael Spiteller

Acta Crystallographica Section C (2005) 61, 4 o213-o215

a=7.9319(11)Å   b=13.6577(14)Å   c=12.0890(12)Å

α=90.00°   β=103.903(12)°   γ=90.00°

Cycloheptanespiro-4'-imidazolidine-2',5'-dithione

C9H14N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=7.4041(14)Å   b=17.859(4)Å   c=8.4491(14)Å

α=90.00°   β=105.848(19)°   γ=90.00°

Cyclohexanespiro-4'-imidazolidine-2',5'-dithione

C8H12N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=8.6896(10)Å   b=12.2674(15)Å   c=9.7864(10)Å

α=90.00°   β=109.86(9)°   γ=90.00°

Cyclooctanespiro-4'-imidazolidine-2',5'-dithione

C10H16N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=8.484(2)Å   b=11.5018(18)Å   c=23.992(10)Å

α=90.00°   β=90.00°   γ=90.00°

Ammonium hydrogen squarate--water (3/2)

H4N1,C4HO41,2/3H2O

Kolev, TsonkoGlavcheva, ZornitzaPetrova, RosicaAngelova, Olyana

Acta Crystallographica Section C (2000) 56, 1 110-112

a=10.031(3)Å   b=8.2799(17)Å   c=10.968(2)Å

α=90.000°   β=99.274(2)°   γ=90.000°

3-amino-cyclohexanspiro-5-hydantoin

C8H13N3O2

Boris ShivachevRosica PetrovaEmilia Naydenova

Acta Crystallographica Section C (2005) 61, 8 o524-o526

a=14.0813(13)Å   b=10.2094(19)Å   c=12.372(3)Å

α=90.00°   β=91.621(14)°   γ=90.00°

3-amino-cyclohexanspiro-5-hydantoin

C8H13N3O2

Boris ShivachevRosica PetrovaEmilia Naydenova

Acta Crystallographica Section C (2005) 61, 8 o524-o526

a=6.1743(12)Å   b=26.765(3)Å   c=6.0257(12)Å

α=90.00°   β=111.425(11)°   γ=90.00°

Cyclopentanespiro-4'-imidazolidine-2',5'-dithione

C7H10N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=7.898(5)Å   b=8.4607(19)Å   c=13.587(2)Å

α=90.00°   β=90.00°   γ=90.00°

(Cd (Re O4)2) (C O (N H2)2)4

C4H16CdN8O12Re2

Petrova, R.Bakardjieva, S.Todorov, T.Angelova, O.Mihailova, B.

Zeitschrift fuer Kristallographie (149,1979-) (2000) 215, 309-316

a=7.229Å   b=7.899Å   c=9.361Å

α=73.91°   β=78.83°   γ=70.29°

(Cd (Re O4)2) (C O (N H2)2)6

C6H24CdN12O14Re2

Petrova, R.Angelova, O.Todorov, T.Mihailova, B.Bakardjieva, S.

Zeitschrift fuer Kristallographie (149,1979-) (2000) 215, 309-316

a=10.772Å   b=7.625Å   c=15.095Å

α=90°   β=101.03°   γ=90°

(Ca (Re O4)2) (C O (N H2)2)5

C5H20CaN10O13Re2

Petrova, R.Todorov, T.Angelova, O.Mihailova, B.Bakardjieva, S.

Zeitschrift fuer Kristallographie (149,1979-) (2000) 215, 309-316

a=8.745Å   b=9.795Å   c=13.931Å

α=70.71°   β=89.47°   γ=85.44°

(Pb (Re O4)2) ((N H2)2 C O) (H2 O)

CH6N2O10PbRe2

Macicek, J.Angelova, O.Petrova, R.

Zeitschrift fuer Kristallographie (149,1979-) (1995) 210, 24-30

a=10.284Å   b=7.389Å   c=14.402Å

α=90°   β=99.72°   γ=90°

(Ba (Re O4)2) ((N H2)2 C O)3

C3H12BaN6O11Re2

Macicek, J.Angelova, O.Petrova, R.

Zeitschrift fuer Kristallographie (149,1979-) (1995) 210, 24-30

a=13.703Å   b=7.828Å   c=14.865Å

α=90°   β=94.55°   γ=90°

Cl2.3Pb4.32S8.7Sb3.68

Cl2.3Pb4.32S8.7Sb3.68

Kostov-Kytin V VPetrova, R.Macicek, J.

European Journal of Mineralogy (1997) 9, 1191-1197

a=15.04Å   b=15.51Å   c=4.09Å

α=90°   β=90°   γ=90°