$comment
SF-ADC2-x
$end

$molecule
0 3
C
C   1 ccs
C   2 ccd        1 ccc
C   3 ccs        2 ccc         1 dihh
H   1 hc        2 hccs         3 dihc
H   2 hc        3 hccd         4 dihc
H   3 hc        4 hccs         1 dihc
H   4 hc        1 hccd         2 dihc

ccs         1.566000
ccd         1.343000
hc         1.074000
ccc         90.000
hccs        134.910
hccd        135.090
dihh         0.000
dihc        180.000

$end

$rem
JOBTYPE = sp
METHOD = ADC(2)-X
BASIS = CC-PVTZ
PURECART = 2222
MEM_TOTAL = 4000
MEM_STATIC = 100
EE_TRIPLETS = 3
EE_SINGLETS = 3
N_FROZEN_CORE = 0
SF_STATES = 2
SPIN_FLIP = TRUE 
UNRESTRICTED = TRUE
RPA = FALSE
$end