![\begin{tikzpicture}[declare function = {bd=1.336; ba=92.11; Hvdw=1.20; Svdw=1.80;lw=1.5; vdw=2;}]\coordinate (O) at (0,0);\coordinate (a) at (bd,0);\coordinate (b) at ({bd*cos(ba)},{bd*sin(ba)});\coordinate (bb) at ({bd*cos(ba/2)},{bd*sin(ba/2)});\coordinate (d) at ($(O)!bd/2!ba/2+180 : (a)$);\draw [line width = lw, gray] (O) -- (a);\draw [line width = lw, gray] (O) -- (b);\draw [teal] (O) edge [out=-90,in=-90] (a) ;\draw [teal, ultra thick, -stealth] (O) -- (bb) node[above,blue]{\tiny $0.970\rm\,D$};\node[blue] at (bd/2, -0.5) {\tiny$1.336\rm\,\AA$};\draw[blue] pic [semithick, densely dotted, < - >, >=stealth, "$92.11^\circ$", font=\tiny, draw=teal, angle eccentricity=1.5, angle radius = 7mm] { angle=a--O--b };\shade[ball color = yellow, opacity = 1] (O) circle (vdw*1.80 mm);\shade[ball color = white, opacity = 1] (a) circle (vdw*1.2 mm);\shade[ball color = white, opacity = 1] (b) circle (vdw*1.2 mm);\node [xshift=-8mm] at (O) {\tiny $-0.284$}; \node [xshift=7mm] at (a) {\tiny $+0.142$}; \node [xshift=-7mm] at (b) {\tiny $+0.142$}; \end{tikzpicture}](https://gaia-sb.iwate-med.ac.jp/pharm/filter/tex/pix.php/19db2f670312c0339dbabdb0bde5dd02.svg "\begin{tikzpicture}[declare function = {bd=1.336; ba=92.11; Hvdw=1.20; Svdw=1.80;lw=1.5; vdw=2;}]\coordinate (O) at (0,0);\coordinate (a) at (bd,0);\coordinate (b) at ({bd*cos(ba)},{bd*sin(ba)});\coordinate (bb) at ({bd*cos(ba/2)},{bd*sin(ba/2)});\coordinate (d) at ($(O)!bd/2!ba/2+180 : (a)$);\draw [line width = lw, gray] (O) -- (a);\draw [line width = lw, gray] (O) -- (b);\draw [teal] (O) edge [out=-90,in=-90] (a) ;\draw [teal, ultra thick, -stealth] (O) -- (bb) node[above,blue]{\tiny $0.970\rm\,D$};\node[blue] at (bd/2, -0.5) {\tiny$1.336\rm\,\AA$};\draw[blue] pic [semithick, densely dotted, < - >, >=stealth, \"$92.11^\circ$\", font=\tiny, draw=teal, angle eccentricity=1.5, angle radius = 7mm] { angle=a--O--b };\shade[ball color = yellow, opacity = 1] (O) circle (vdw*1.80 mm);\shade[ball color = white, opacity = 1] (a) circle (vdw*1.2 mm);\shade[ball color = white, opacity = 1] (b) circle (vdw*1.2 mm);\node [xshift=-8mm] at (O) {\tiny $-0.284$}; \node [xshift=7mm] at (a) {\tiny $+0.142$}; \node [xshift=-7mm] at (b) {\tiny $+0.142$}; \end{tikzpicture}")
\begin{tikzpicture}[
declare function = {
bd=1.336; ba=92.11; Hvdw=1.20; Svdw=1.80;
lw=1.5; vdw=2;
}]
\coordinate (O) at (0,0);
\coordinate (a) at (bd,0);
\coordinate (b) at ({bd*cos(ba)},{bd*sin(ba)});
\coordinate (bb) at ({bd*cos(ba/2)},{bd*sin(ba/2)});
\coordinate (d) at ($(O)!bd/2!ba/2+180 : (a)$);
\draw [line width = lw, gray] (O) -- (a);
\draw [line width = lw, gray] (O) -- (b);
\draw [teal] (O) edge [out=-90,in=-90] (a) ;
\draw [teal, ultra thick, -stealth] (O) -- (bb) node[above,blue]{\tiny $0.970\rm\,D$};
\node[blue] at (bd/2, -0.5) {\tiny$1.336\rm\,\AA$};
\draw[blue] pic [semithick, densely dotted, < - >, >=stealth, "$92.11^\circ$", font=\tiny, draw=teal, angle eccentricity=1.5, angle radius = 7mm] { angle=a--O--b };
\shade[ball color = yellow, opacity = 1] (O) circle (vdw*1.80 mm);
\shade[ball color = white, opacity = 1] (a) circle (vdw*1.2 mm);
\shade[ball color = white, opacity = 1] (b) circle (vdw*1.2 mm);
\node [xshift=-8mm] at (O) {\tiny $-0.284$};
\node [xshift=7mm] at (a) {\tiny $+0.142$};
\node [xshift=-7mm] at (b) {\tiny $+0.142$};
\end{tikzpicture}