Table S2 Supporting information for: The threshold-photoelectron spectrum of SiH2: experiment and modeling with MCTDH method L. H. Coudert, N. L. Chen, B. Gans, S. Boyé-Péronne, G. A. Garcia, S. Hartweg, and J.-C. Loison The experimental ion yield spectrum is given below in xy format. 8.001 -8.047533e-04 8.006 -6.983348e-04 8.011 2.442747e-03 8.016 5.629859e-03 8.021 5.626966e-03 8.026 4.732980e-03 8.031 2.244116e-03 8.036 4.625896e-04 8.041 2.179131e-03 8.046 1.218582e-03 8.051 1.187524e-03 8.056 2.442822e-03 8.061 9.306785e-04 8.066 1.984551e-03 8.071 2.967579e-03 8.076 2.607034e-03 8.081 1.625917e-03 8.086 3.391330e-03 8.091 3.533495e-03 8.096 3.854786e-03 8.101 7.204013e-03 8.106 1.013232e-02 8.111 1.326563e-02 8.116 1.528067e-02 8.121 1.427223e-02 8.126 -1.903222e-03 8.131 6.849096e-03 8.136 1.404876e-02 8.141 1.294214e-02 8.146 1.386520e-02 8.151 1.925965e-02 8.156 2.499164e-02 8.161 2.965958e-02 8.166 1.534631e-02 8.171 5.964254e-03 8.176 1.878270e-02 8.181 2.654295e-02 8.186 4.944024e-02 8.191 5.990451e-02 8.196 8.758386e-02 8.201 1.036782e-01 8.206 1.037042e-01 8.211 1.179065e-01 8.216 1.419152e-01 8.221 1.646264e-01 8.226 1.677104e-01 8.231 1.262071e-01 8.236 1.010808e-01 8.241 1.684422e-01 8.246 1.280285e-01 8.251 8.821992e-02 8.256 7.152168e-02 8.261 4.675322e-02 8.266 4.424416e-02 8.271 5.263947e-02 8.276 4.483611e-02 8.281 3.889809e-02 8.286 2.494553e-02 8.291 3.026693e-02 8.296 2.121322e-02 8.301 5.714253e-02 8.306 3.876070e-02 8.311 4.552067e-02 8.316 4.193708e-02 8.321 5.410362e-02 8.326 6.090784e-02 8.331 5.748940e-02 8.336 4.425384e-02 8.341 3.763035e-02 8.346 2.862350e-02 8.351 4.117516e-02 8.356 4.142869e-02 8.361 2.771348e-02 8.366 2.545302e-02 8.371 2.116300e-02 8.376 2.554800e-02 8.381 1.311508e-02 8.386 1.975748e-02 8.391 1.510291e-02 8.396 3.709868e-02 8.401 3.497087e-02 8.406 4.083411e-02 8.411 5.304291e-02 8.416 5.745436e-02 8.421 4.980010e-02 8.426 7.750609e-02 8.431 8.469185e-02 8.436 7.391397e-02 8.441 5.554494e-02 8.446 7.134467e-02 8.451 9.759512e-02 8.456 8.433384e-02 8.461 7.352374e-02 8.466 6.746930e-02 8.471 7.688691e-02 8.476 8.679298e-02 8.481 8.791015e-02 8.486 6.837577e-02 8.491 6.272915e-02 8.496 5.282076e-02 8.501 6.384015e-02 8.506 3.459412e-02 8.511 3.077630e-02 8.516 2.366421e-02 8.521 3.261676e-02 8.526 4.771484e-02 8.531 5.369058e-02 8.536 4.910582e-02 8.541 3.453318e-02 8.546 5.750225e-02 8.551 5.644871e-02 8.556 5.633740e-02 8.561 6.865852e-02 8.566 6.037815e-02 8.571 4.500970e-02 8.576 3.387666e-02 8.581 3.213512e-02 8.586 3.455098e-02 8.591 4.005414e-02 8.596 5.947451e-02 8.601 4.779049e-02 8.606 2.175762e-02 8.611 2.060283e-02 8.616 2.766403e-02 8.621 4.730415e-02 8.626 3.133855e-02 8.631 3.614601e-02 8.636 4.325052e-02 8.641 4.565450e-02 8.646 4.345434e-02 8.651 7.661420e-02 8.656 7.198378e-02 8.661 8.085142e-02 8.666 6.872443e-02 8.671 9.163458e-02 8.676 1.214659e-01 8.681 1.074283e-01 8.686 1.046600e-01 8.691 1.059114e-01 8.696 4.228329e-02 8.701 6.697942e-02 8.706 1.242509e-01 8.711 9.397482e-02 8.716 6.168390e-02 8.721 6.409109e-02 8.726 6.252022e-02 8.731 7.821777e-02 8.736 5.827437e-02 8.741 7.059011e-02 8.746 8.391797e-02 8.751 7.829553e-02 8.756 5.892096e-02 8.761 5.773522e-02 8.766 7.474124e-02 8.771 1.080322e-01 8.776 9.521198e-02 8.781 8.417739e-02 8.786 7.431054e-02 8.791 1.004931e-01 8.796 9.199169e-02 8.801 7.751099e-02 8.806 1.036939e-01 8.811 1.091240e-01 8.816 8.432983e-02 8.821 9.948972e-02 8.826 1.010948e-01 8.831 1.028286e-01 8.836 7.384699e-02 8.841 8.835594e-02 8.846 8.299591e-02 8.851 6.778151e-02 8.856 7.733330e-02 8.861 9.539979e-02 8.866 8.155989e-02 8.871 8.946913e-02 8.876 8.747021e-02 8.881 8.685703e-02 8.886 1.186970e-01 8.891 1.082682e-01 8.896 9.408463e-02 8.901 1.283762e-01 8.906 1.690841e-01 8.911 2.111538e-01 8.916 1.469668e-01 8.921 1.413452e-01 8.926 1.743214e-01 8.931 1.385223e-01 8.936 1.276631e-01 8.941 1.687816e-01 8.946 1.610819e-01 8.951 1.243870e-01 8.956 1.438654e-01 8.961 1.136421e-01 8.966 9.050734e-02 8.971 1.258950e-01 8.976 1.365462e-01 8.981 1.204375e-01 8.986 1.445137e-01 8.991 1.042011e-01 8.996 1.021141e-01 9.001 1.374287e-01 9.006 1.855235e-01 9.011 2.107017e-01 9.016 1.967864e-01 9.021 1.862621e-01 9.026 2.363777e-01 9.031 2.070090e-01 9.036 2.263668e-01 9.041 2.466500e-01 9.046 2.615320e-01 9.051 2.400567e-01 9.056 2.029611e-01 9.061 2.216088e-01 9.066 2.196031e-01 9.071 1.959486e-01 9.076 1.481892e-01 9.081 1.745557e-01 9.086 1.665639e-01 9.091 1.579816e-01 9.096 1.398418e-01 9.101 1.517625e-01 9.106 1.406830e-01 9.111 1.738412e-01 9.116 2.143576e-01 9.121 3.171882e-01 9.126 2.607883e-01 9.131 2.661395e-01 9.136 3.305890e-01 9.141 3.754041e-01 9.146 4.641160e-01 9.151 4.043774e-01 9.156 4.630097e-01 9.161 4.046179e-01 9.166 4.681251e-01 9.171 4.004344e-01 9.176 4.027987e-01 9.181 4.148605e-01 9.186 3.702182e-01 9.191 2.491249e-01 9.196 2.471782e-01 9.201 2.643834e-01 9.206 2.866060e-01 9.211 2.728130e-01 9.216 2.435353e-01 9.221 1.889822e-01 9.226 2.022296e-01 9.231 2.967150e-01 9.236 3.315870e-01 9.241 3.884018e-01 9.246 4.440546e-01 9.251 4.981372e-01 9.256 5.838344e-01 9.261 5.556384e-01 9.266 6.346208e-01 9.271 6.823978e-01 9.276 5.839385e-01 9.281 5.559053e-01 9.286 6.144824e-01 9.291 4.437106e-01 9.296 4.812361e-01 9.301 4.867117e-01 9.306 4.407653e-01 9.311 3.668793e-01 9.316 3.090186e-01 9.321 2.472321e-01 9.326 2.870695e-01 9.331 3.650659e-01 9.336 3.703403e-01 9.341 3.129113e-01 9.346 3.753694e-01 9.351 4.129432e-01 9.356 5.295583e-01 9.361 6.046194e-01 9.366 6.952393e-01 9.371 7.544643e-01 9.376 8.789825e-01 9.381 8.728368e-01 9.386 8.092702e-01 9.391 7.731149e-01 9.396 8.092965e-01 9.401 8.838645e-01 9.406 5.867068e-01 9.411 5.393843e-01 9.416 6.350926e-01 9.421 6.388316e-01 9.426 5.443370e-01 9.431 4.926007e-01 9.436 4.381216e-01 9.441 4.297631e-01 9.446 4.213957e-01 9.451 4.065667e-01 9.456 3.808367e-01 9.461 4.691162e-01 9.466 8.058934e-01 9.471 7.574782e-01 9.476 8.125301e-01 9.481 8.908289e-01 9.486 1.000000e+00 9.491 9.509167e-01 9.496 8.095766e-01 9.501 8.699202e-01 9.506 8.617881e-01 9.511 9.693242e-01 9.516 8.121392e-01 9.521 7.053750e-01 9.526 7.665382e-01 9.531 7.221543e-01 9.536 6.461130e-01 9.541 5.192185e-01 9.546 5.469420e-01 9.551 4.872213e-01 9.556 4.748858e-01 9.561 4.685327e-01 9.566 4.871711e-01 9.571 6.913527e-01 9.576 6.588878e-01 9.581 6.142466e-01 9.586 8.588249e-01 9.591 8.439384e-01 9.596 8.170292e-01 9.601 8.005746e-01 9.606 9.332313e-01 9.611 9.064780e-01 9.616 8.059321e-01 9.621 7.442578e-01 9.626 8.293408e-01 9.631 9.175681e-01 9.636 5.521634e-01 9.641 6.531373e-01 9.646 6.117265e-01 9.651 5.652376e-01 9.656 5.149254e-01 9.661 5.379016e-01 9.666 4.790636e-01 9.671 5.631524e-01 9.676 5.581617e-01 9.681 5.213650e-01 9.686 6.232978e-01 9.691 8.193054e-01 9.696 8.773042e-01 9.701 6.624654e-01 9.706 6.431545e-01 9.711 8.009316e-01 9.716 5.543472e-01 9.721 6.841086e-01 9.726 9.327228e-01 9.731 6.051054e-01 9.736 5.347461e-01 9.741 5.723394e-01 9.746 5.684325e-01 9.751 4.626996e-01 9.756 4.187697e-01 9.761 5.285632e-01 9.766 4.919045e-01 9.771 5.689479e-01 9.776 4.583588e-01 9.781 3.699934e-01 9.786 5.357934e-01 9.791 5.130439e-01 9.796 4.322329e-01 9.801 4.566946e-01 9.806 5.984352e-01 9.811 5.722112e-01 9.816 4.714589e-01 9.821 5.543523e-01 9.826 4.660243e-01 9.831 3.666190e-01 9.836 4.656729e-01 9.841 5.701320e-01 9.846 4.038678e-01 9.851 3.342294e-01 9.856 3.375504e-01 9.861 4.188061e-01 9.866 4.888120e-01 9.871 4.686736e-01 9.876 4.244011e-01 9.881 2.969902e-01 9.886 3.347515e-01 9.891 4.436845e-01 9.896 4.134599e-01 9.901 3.232615e-01 9.906 2.945147e-01 9.911 3.106501e-01 9.916 3.143610e-01 9.921 2.013649e-01 9.926 1.994786e-01 9.931 2.676695e-01 9.936 3.416016e-01 9.941 3.251427e-01 9.946 2.299435e-01 9.951 2.373130e-01 9.956 2.992040e-01 9.961 3.447452e-01 9.966 1.988238e-01 9.971 1.929871e-01 9.976 1.467768e-01 9.981 1.618715e-01 9.986 2.073549e-01 9.991 1.429668e-01 9.996 1.467785e-01 10.001 1.472684e-01 10.006 1.379193e-01 10.011 2.369642e-01 10.016 1.978207e-01 10.021 1.492245e-01 10.026 1.421552e-01 10.031 1.034592e-01 10.036 1.278439e-01 10.041 8.534611e-02 10.046 1.327572e-01 10.051 9.224404e-02 10.056 1.247547e-01 10.061 1.259299e-01 10.066 8.329766e-02 10.071 1.190254e-01 10.076 8.946918e-02 10.081 8.857772e-02 10.086 6.554148e-02 10.091 8.648165e-02 10.096 1.227976e-01 10.101 7.369158e-02 10.106 9.525869e-02 10.111 8.268012e-02 10.116 1.679138e-01 10.121 1.241313e-01 10.126 1.553855e-01 10.131 1.470917e-01 10.136 7.207380e-02 10.141 4.655347e-02 10.146 6.944335e-02 10.151 7.739073e-02 10.156 1.035557e-02 10.161 8.279191e-03 10.166 4.153204e-03 10.171 2.555306e-03 10.176 4.159897e-02 10.181 1.584198e-01 10.186 1.014727e-01 10.191 3.819521e-02 10.196 3.424430e-02 10.201 9.349591e-02 10.206 -7.290592e-03 10.211 -7.410313e-03 10.216 7.958448e-02 10.221 3.318025e-02 10.226 1.714414e-02 10.231 8.686500e-02 10.236 5.348113e-02 10.241 1.348155e-02 10.246 -4.751070e-03 10.251 4.596324e-03 10.256 -1.891772e-03 10.261 2.710637e-02 10.266 1.502692e-02 10.271 -3.806083e-03 10.276 1.493232e-02 10.281 1.133591e-02 10.286 2.552325e-02 10.291 2.189591e-03 10.296 5.442889e-03 10.301 1.301034e-02 10.306 1.956301e-02 10.311 6.053637e-03 10.316 5.723272e-03 10.321 1.840843e-02 10.326 4.328361e-02 10.331 2.966670e-02 10.336 -4.200833e-03 10.341 -1.251155e-02 10.346 -6.212391e-03 10.351 1.304656e-02 10.356 7.691871e-03 10.361 1.401521e-03 10.366 -4.657415e-03 10.371 -2.827044e-03 10.376 1.449059e-02 10.381 -2.830211e-03 10.386 -9.289312e-03 10.391 -1.571385e-02 10.396 2.270599e-03 10.401 -2.570769e-03 10.406 1.154070e-02 10.411 -1.348149e-02 10.416 -2.205319e-03 10.421 -1.299601e-02 10.426 -1.194577e-02 10.431 -1.725444e-02 10.436 3.111133e-04 10.441 -8.407633e-03 10.446 -1.251859e-02 10.451 -1.181236e-02 10.456 -1.551417e-02 10.461 -1.510410e-02 10.466 -1.054346e-02 10.471 -1.508576e-03 10.476 -2.924288e-02 10.481 -2.623405e-02 10.486 -1.824039e-02 10.491 -1.511415e-02 10.496 -1.901235e-02 10.501 -3.573037e-02 10.506 -8.506303e-03 10.511 -1.986457e-02 10.516 -2.782717e-02 10.521 -3.191252e-02 10.526 -3.316430e-02 10.531 -2.434878e-02 10.536 -4.015906e-02 10.541 -2.021245e-02 10.546 -2.477686e-03 10.551 -3.995399e-02 10.556 -4.929316e-02 10.561 -4.485877e-02 10.566 -3.087950e-02 10.571 -1.718499e-02 10.576 -1.898706e-02 10.581 -4.985182e-02 10.586 -5.153446e-02 10.591 -2.282540e-02 10.596 -1.032724e-02 10.601 -3.166299e-02 10.606 -3.158177e-02 10.611 -2.963763e-02 10.616 -3.130593e-02 10.621 -5.705865e-02 10.626 -4.805913e-02 10.631 -2.642529e-02 10.636 -3.282582e-02 10.641 -4.591595e-03 10.646 -3.290447e-02 10.651 -5.385573e-02 10.656 -4.753647e-02 10.661 -2.774155e-02 10.666 -2.619696e-02 10.671 -3.178824e-02 10.676 -1.457305e-02 10.681 -3.955193e-02 10.686 -4.225087e-02 10.691 -2.194189e-02 10.696 -2.720090e-02 10.701 -3.262057e-02 10.706 -1.517358e-02 10.711 -2.671751e-02 10.716 -1.648624e-02 10.721 -2.842513e-02 10.726 -2.869069e-02 10.731 -4.286254e-02 10.736 -5.839251e-02 10.741 -3.159966e-02 10.746 -2.766933e-02 10.751 -2.979009e-02 10.756 -4.036993e-02 10.761 -5.277435e-02 10.766 -1.428172e-02 10.771 -2.330073e-02 10.776 -2.983534e-02 10.781 -2.723382e-02 10.786 -6.464392e-03 10.791 -2.877745e-02 10.796 -2.318840e-02 10.801 -3.536660e-02 10.806 -1.961597e-02 10.811 -2.035241e-02 10.816 -4.777206e-02 10.821 -3.609586e-02 10.826 -1.909332e-02 10.831 1.522660e-03 10.836 -2.047570e-03 10.841 -3.309176e-02 10.846 -9.803859e-03 10.851 2.371888e-03 10.856 -1.611263e-02 10.861 -2.927700e-02 10.866 -1.515303e-02 10.871 -8.259035e-03 10.876 -1.961525e-02 10.881 -9.953004e-03 10.886 -3.760839e-02 10.891 -6.031461e-03 10.896 -1.691048e-02 10.901 -1.453571e-02 10.906 -2.046500e-02 10.911 -9.717998e-03 10.916 -1.073011e-02 10.921 -1.484925e-02 10.926 -3.085345e-02 10.931 -2.428390e-02 10.936 -1.364289e-02 10.941 -1.727279e-02 10.946 -1.881217e-02 10.951 3.184670e-03 10.956 1.107393e-02 10.961 -1.055627e-02 10.966 -7.404075e-03 10.971 -1.695464e-02 10.976 4.985351e-03 10.981 -6.359101e-03 10.986 -5.130808e-03 10.991 -8.845153e-03 10.996 1.034209e-03