ON THE APPLICATION OF HEAVY ATOM INFORMATION IN DIRECT METHODS——PHASE ESTIMATION OF THE STRUCTURE FACTORS IN CRYSTALS CONTAINING HEAVY ATOMS

FAN HAI-FU; HAN FU-SEN; HE CUN-HANG

doi:10.7498/aps.30.916

Abstract
Information drawn from the heavy atom plays an important role in the determination of crystal structures containing heavy atoms. To what extent would the determination proceed successfully depends on how the heavy atom information should be used. In this paper a new procedure is proposed to make full use of the heavy atom information and make the combination between heavy atom method and direct method more efficient.
Authors and contacts
FAN HAI-FU¹,

HAN FU-SEN¹,

HE CUN-HANG²

(1)中国科学院物理研究所; (2)中国医学科学院
References

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[2]	Gao Feng, Wang Ye-Bing, Tian Xiao, Xu Peng, Chang Hong. Observation of transitions in strontium triplet state and its application in optical clock. Acta Physica Sinica, 2012, 61(17): 173201. doi: 10.7498/aps.61.173201
[3]	YANG SHI-XIN, LI FANG-HUA, LIU YU-DONG, GU YUAN-XIN, FAN HAI-FU. APPLICATION OF DIRECT METHOD TO ELECTRON CRYSTALLOGRAPHIC IMAGE PROCESSING FOR T WO-DIMENSIONAL PROTEIN CRYSTALS. Acta Physica Sinica, 2000, 49(10): 1982-1987. doi: 10.7498/aps.49.1982
[4]	GU YUAN-XIN. IMPROVING THE DIRECT METHOD FOR SOLVING SUPERSTRUCTURES. Acta Physica Sinica, 1996, 45(11): 1840-1845. doi: 10.7498/aps.45.1840
[5]	HU NING-HAI, LIU YONG-SHENG, ZHOU QING-LIAN, GUO DONG-YAO. THE APPLICATION OF ∑ RELATIONSHIP LINEAR THEORY (Ⅰ)——THE USE OF ∑4, RELATIONSHIP IN CRYSTAL STRUCTURE DETERMINATION. Acta Physica Sinica, 1987, 36(2): 131-139. doi: 10.7498/aps.36.131
[6]	FAN HAI-FU. ENANTIOMORPHIC PHASE AMBIGUITIES AND THE MODIFIED COMPONENT RELATION——THE APPLICATION OF DIRECT METHODS TO PROTEIN STRUCTURES. Acta Physica Sinica, 1984, 33(3): 399-407. doi: 10.7498/aps.33.399
[7]	LU QUAN-KANG, CHEN GUO-RANG, WANG QIAN, XIONG XlAO-MING, JIN YONG, TANG MING. THE FORM FACTOR OF RADIATION SCATTERING IN AN ANISOTROPIC PLASMA. Acta Physica Sinica, 1983, 32(5): 618-626. doi: 10.7498/aps.32.618
[8]	GU YUAN-XIN, FAN HAI-FU, QIAN JIN-ZI, ZHENG CHAO-DE, HAN FU-SEN, XU ZHANG-BAO. APPLICATION OF THE DIRECT METHODS IN THE DETERMI-NATION OF THE SUPERSTRUCTURE OF HUANGHOITE. Acta Physica Sinica, 1982, 31(9): 1263-1266. doi: 10.7498/aps.31.1263
[9]	FAN HAI-FU, ZHENG QI-TAI. GENERAL RULE ON THE APPEARANCE OF MULTIPLE SOLUTION IN THE DETERMINATION OF CRYSTAL STRUCTURES CONTAINING HEAVY ATOMS. Acta Physica Sinica, 1982, 31(2): 191-198. doi: 10.7498/aps.31.191
[10]	PAN HAI-FU, GU YUAN-XIN. ARTIFICIAL PHASE DEGENERATION IN THE DETERMINATION OF NON-CENTROSYMMETRIC STRUCTURES (Ⅱ) ——AN EXAMPLE OF SOLVING A COMPLEX HEAVY ATOM CONTAINING CRYSTAL OF SPACE GROUP P21. Acta Physica Sinica, 1982, 31(7): 969-971. doi: 10.7498/aps.31.969
[11]	ZHENG QI-TAI, SHEN FU-LIN. THE HEAVY ATOM METHOD OF MULTI-SOLUTION TYPE. Acta Physica Sinica, 1981, 30(6): 853-856. doi: 10.7498/aps.30.853
[12]	FAN HAI-FU, QIAN JIN-ZI. PROCEDURE FOR SOLVING THE PROBLEM OF PHASE DEGENERATION RESULTING FROM DIRECT METHODS. Acta Physica Sinica, 1981, 30(5): 594-601. doi: 10.7498/aps.30.594
[13]	HAN PU-SEN, FAN HAI-FU, GU YUAN-XIN. PHASE REFINEMENT ON THE CRYSTAL STRUCTURES CONTAINING HEAVY ATOMS. Acta Physica Sinica, 1981, 30(1): 111-116. doi: 10.7498/aps.30.111
[14]	FAN HAI-FU, ZHENG QI-TAI. ELIMINATION OF THE FOUR-FOLD AMBIGUITIES DUE TO THE ARRANGEMENT OF HEAVY ATOMS BY MAKING USE OF THE DIRECT METHOD. Acta Physica Sinica, 1980, 29(10): 1347-1350. doi: 10.7498/aps.29.1347
[15]	FAN HAI-FU, HE LUO, QIAN JIN-ZI, LIU SHI-XIANG. SOLVING CRYSTAL SUPERSTRUCTURES BY THE DIRECT METHOD. Acta Physica Sinica, 1978, 27(5): 554-558. doi: 10.7498/aps.27.554
[16]	. . Acta Physica Sinica, 1975, 24(1): 57-60. doi: 10.7498/aps.24.57
[17]	FAN HAI-FU. THE USE OF SIGN RELATIONSHIP IN THE DETERMINATION OF HEAVY ATOM CONTAINING CRYSTAL STRUCTURES——I. A SIGN-REFINEMENT PROCEDURE. Acta Physica Sinica, 1965, 21(6): 1105-1113. doi: 10.7498/aps.21.1105
[18]	FAN HAI-FU. THE USE OF SIGN RELATIONSHIP IN THE DETERMINATION OF HEAVY ATOM CONTAINING CRYSTAL STRUCTURES——II. "COMPONENT RELATIONSHIP" AND ITS APPLICATION. Acta Physica Sinica, 1965, 21(6): 1114-1118. doi: 10.7498/aps.21.1114
[19]	. ВЫВОД НОВЫХ И ИЗВЕСТНЫХ РАВЕНСТВ В ПРЯМОМ МЕТОДЕ СТРУКТУРНОГО АНАЛИЗА. Acta Physica Sinica, 1963, 19(9): 560-566. doi: 10.7498/aps.19.560
[20]	. О ТЕОРИИ ОБОЛОЧНЫХ СТРУКТУР ЯДЕР. Acta Physica Sinica, 1959, 15(8): 420-439. doi: 10.7498/aps.15.420

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Vol. 30, Issue 7 - 1981-04-05

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ON THE APPLICATION OF HEAVY ATOM INFORMATION IN DIRECT METHODS——PHASE ESTIMATION OF THE STRUCTURE FACTORS IN CRYSTALS CONTAINING HEAVY ATOMS

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ON THE APPLICATION OF HEAVY ATOM INFORMATION IN DIRECT METHODS——PHASE ESTIMATION OF THE STRUCTURE FACTORS IN CRYSTALS CONTAINING HEAVY ATOMS

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