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[½»Á÷] ¡¾Çë½Ì¡¿puckering parameters

5-Membered Rings : E : Envelope  - Phi = k X 36
                                T : Half Chair- Phi = k X 36 + 18
6-Membered Rings : C : Chair     - Th = 0.0
                                H : Half-Chair- Th = 50.8; Phi = k X 60 + 30
                               E : Envelope  - Th = 54.7; Phi = k X 60
                               S : Screw-Boat- Th = 67.5; Phi = k X 60 + 30
                               B : Boat      - Th = 90.0; Phi = k X 60
                              T : Twist-Boat- Th = 90.0; Phi = k X 60 + 30
7-Membered Rings : C : Chair
                                TC : Twist-Chair
                                B : Boat
                               TB : Twist-Boat
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Q(2)  =      0.7793(19) Ang.,  Phi(2) =     277.10(13) Deg
Q(3)  =      0.2019(19) Ang.,  Phi(3) =       348.3(5) Deg

Total Puckering Amplitude Q =     0.8052(19) Ang.

Conformational Analysis (G.G. Evans & J.A. Boeyens, Acta Cryst. (1989), B45, 581-590)

           Coefficients of Primitive and Normalised Forms
           M      Primitive  Coefficient Angular Value
           -------------------------------------------
CosForm    2        0.433        0.439        22.0
SinForm             0.351        0.356        21.0
CosForm    3        0.018        0.019        28.0
SinForm             0.184        0.186        27.0
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2Â¥2010-11-05 17:53:30
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3Â¥2010-11-08 13:16:13
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4Â¥2010-11-09 13:15:01
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yy0520yy

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5Â¥2010-11-10 08:41:06
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myfantasy8

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)


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yy0520yy(½ð±Ò+1):лл²ÎÓë
yy0520yy(½ð±Ò+5): 2010-11-10 14:15:13
wsht212:лл½»Á÷£¬Ï£Íû³£À´£¡ 2010-11-22 17:20:47
ÎåÔª»·Ò»°ãlis»á¸ø³ö£¬ÄãÔÚlisÎļþÖÐÎåÔª»·Ï·½ÕÒ£¬±ÈÈ磺
Closest Pucker Descriptor: Envelope on C(5)£¬ÁùÔª»·Ò»°ã»¹ÊÇÄ¿²â£¡
6Â¥2010-11-10 10:41:13
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yy0520yy

½ð³æ (Ö°Òµ×÷¼Ò)


ÒýÓûØÌû:
Originally posted by myfantasy8 at 2010-11-10 10:41:13:
ÎåÔª»·Ò»°ãlis»á¸ø³ö£¬ÄãÔÚlisÎļþÖÐÎåÔª»·Ï·½ÕÒ£¬±ÈÈ磺
Closest Pucker Descriptor: Envelope on C(5)£¬ÁùÔª»·Ò»°ã»¹ÊÇÄ¿²â£¡

Q(2)  =        0.360(2) Ang.,  Phi(2) =       157.0(4) Deg
Q(3)  =       -0.339(3) Ang.

Puckering Amplitude (Q) =       0.494(2) Ang, Theta =       133.3(3) Deg,  Phi =       157.0(4) Deg


*** NOTE *** - A Change of the Absolute Configuration Transforms Theta into 180 - Theta and Phi into 180 + Phi.
             - A Cyclic Forward Shift of the Pivot Atom from At1 to At2 Transforms Theta into 180 - Theta and Phi into Phi + 120.
             - A Change of the Sense Transforms Theta into 180 - Theta and Phi into 180 - Phi, and Vice Versa.


Conformational Analysis (G.G. Evans & J.A. Boeyens, Acta Cryst. (1989), B45, 581-590)

           Coefficients of Primitive and Normalised Forms
           M      Primitive  Coefficient Angular Value
           -------------------------------------------
CosForm    2        0.088        0.124        12.0
SinForm             0.281        0.398        10.0
           3                     0.479        -1.0
                               Analysis of Ring Substituents
                               =============================
      Bond             Distance     Angle with C&P Plane Normal
---------------------------------------------------------------
C(10)   - C(9)          1.360(4)           87.21(19)  Eq
N(2)    - N(1)          1.363(3)           84.57(15)  Eq
C(12)   - C(14)         1.508(4)           75.55(18)  Eq
Îҵľ§ÌåÖÐÒ»¸öÁùÔª»·¸ø³öµÄÐÅÏ¢£¬ÕâЩ¶¼ÊÇʲôÒâ˼£¿
7Â¥2010-11-10 15:38:18
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hqzhang

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)


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9Â¥2011-12-24 21:11:19
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-lee-

Í­³æ (³õÈëÎÄ̳)


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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
7Â¥: Originally posted by yy0520yy at 2010-11-10 15:38:18
Q(2)  =        0.360(2) Ang.,  Phi(2) =       157.0(4) Deg
Q(3)  =       -0.339(3) Ang.

Puckering Amplitude (Q) =       0.494(2) Ang, Theta =       133.3(3) Deg,  Phi =       157.0(4) Deg

...

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10Â¥2013-05-17 11:13:22
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