Sample 1 - 632.8nm Measured scattering matrix elements as functions of scattering angle theta (in degrees), corresponding to curves for Sample 1 presented in Volten et al. A&A, 470, 377-386, 2007 at 632.8 nm. The experimental errors are also given except for F22/F11. F11 is normalized to 1 at a scattering angle of 30 degrees. DATA ARE FREELY AVAILABLE UNDER THE REQUEST OF CITATION OF: Volten et al. A&A, 470, 377-386, 2007, AND Munoz et al. JQSRT, 113, 565-574, 2012. angle F11 errorF11 -F12/F11 error-F12/F11 F22/F11 5 20.990 4.910 -0.005 0.000 1.001 6 14.805 2.272 -0.002 0.002 1.003 7 14.012 0.726 0.000 0.002 1.005 8 12.310 0.617 0.001 0.001 1.003 9 9.581 0.151 0.002 0.002 1.000 10 8.169 0.267 0.007 0.000 1.009 15 3.689 0.184 0.022 0.003 0.997 20 2.172 0.041 0.044 0.001 0.946 25 1.411 0.008 0.075 0.002 0.940 30 1.000 0.000 0.111 0.002 0.933 35 0.752 0.008 0.153 0.004 0.921 40 0.584 0.002 0.198 0.003 0.905 45 0.466 0.005 0.243 0.005 0.897 50 0.383 0.005 0.298 0.002 0.874 55 0.318 0.010 0.348 0.009 0.856 60 0.272 0.009 0.396 0.009 0.834 65 0.232 0.009 0.448 0.007 0.828 70 0.202 0.007 0.499 0.003 0.809 75 0.185 0.015 0.509 0.031 0.788 80 0.167 0.012 0.528 0.026 0.760 85 0.152 0.012 0.544 0.036 0.762 90 0.137 0.008 0.568 0.024 0.754 95 0.132 0.007 0.544 0.014 0.724 100 0.126 0.008 0.524 0.023 0.722 105 0.122 0.006 0.499 0.010 0.717 110 0.119 0.007 0.465 0.011 0.719 115 0.118 0.007 0.417 0.009 0.707 120 0.121 0.007 0.358 0.020 0.695 125 0.120 0.002 0.312 0.006 0.704 130 0.122 0.004 0.259 0.002 0.726 135 0.122 0.002 0.211 0.003 0.710 140 0.125 0.005 0.166 0.005 0.727 145 0.132 0.006 0.122 0.008 0.726 150 0.132 0.005 0.088 0.002 0.744 155 0.139 0.002 0.052 0.001 0.741 160 0.145 0.006 0.024 0.004 0.723 165 0.155 0.011 0.002 0.002 0.751 170 0.158 0.007 -0.010 0.000 0.758 171 0.154 0.005 -0.010 0.001 0.744 172 0.159 0.001 -0.014 0.003 0.752 173 0.171 0.019 -0.017 0.005 0.730 174 0.162 0.008 -0.015 0.003 0.746