function T = res2temp627(R)
  
  res2temp627 = @(R) 0.399341181655472610 + 10.8420092277810909 * (1000./R) + -26.4597939187660813 * (1000./R).^2 + 245.9828566655493379 * (1000./R).^3 + -668.069876596331596 * (1000./R).^4 + 1001.69882618263364 * (1000./R) .^5 + -267.272089680656791 * (1000./R).^6;
  
  T = res2temp627(R);