# Species Formula 1933 HexamethyldisilazaneC6H19NSi2 1934 HexamethyldisiloxaneC6H18OSi2 1935 H6Si2O7H6O7Si2 1936 TrisilaneH8Si3 1937 Cyclopentasilane (Geo)H10Si5 1938 Si(SiMe3)4 (GUFMOJ) (Geo)C12H36Si5 1939 Si(SiMe3)4 (GUFMOJ)C12H36Si5 1940 Phosphorus, cationP 1941 Phosphorus, atomP 1942 PhosphinideneHP 1943 Phosphino H2P 1944 Phosphine cationH3P 1945 Phosphine (Geo)H3P 1946 PhosphineH3P 1947 PH4(+)H4P 1948 Carbon monophosphideCP 1949 Carbon phosphide (Geo)CP 1950 MethinophosphideHCP 1951 MethinophosphineHCP 1952 Methinophosphide (Geo)HCP 1953 Methylphosphine (Geo)CH5P
SYMMETRY PM7 Phosphino HR=JANAF86 H=30.1 H 0.00000000 +0 0.0000000 +0 0.0000000 +0 0 0 0 P 1.52173891 +1 0.0000000 +0 0.0000000 +0 1 0 0 H 1.52173891 +0 98.6872824 +1 0.0000000 +0 2 1 0