Stir together flour ,1 1/2 cups of sugar,cocoa,soda,and salt in ungreased 12=8 inch baking pan.
make 3 wells in the mixture ;pour oil in one,vinegar in one, and vanilla in one. Pour in coffee and stir all with a fork until well mixed.Spread into an even layer.
Combine 1/3 cups sugar and cinnamon' sprinkle half over batter.
Bake in 350 oven for 35 to 40 minutes.Sprinkle remaining cinnamon sugar over hot cake. cool 15 to 20 minutes befor cutting