<HTML><BODY>Dear developers and users of molpro<br><br>How can i input my hessian (below) taken from precaclulation?<br>What options should i add, in what format shell hessian be?<br><br><p>"Variable Value Gradient Hessian Dipole gradient<br> AA 1.393 ANG -0.03256223 2.37624959 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS 1.503 ANG 0.00077191 1.16902214 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN 122.448 DEG 0.00005895 0.00009302 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS1 1.506 ANG 0.00119903 1.15416029 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN1 121.896 DEG 0.00007416 0.00009246 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA1 160.712 DEG 0.00018189 0.00074588 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS2 1.077 ANG -0.02521897 1.43511591 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN2 117.880 DEG 0.00002193 0.00007586 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA2 -0.029 DEG 0.00004190 0.00002855 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS3 1.076 ANG -0.02519849 1.43878754 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN3 117.799 DEG 0.00002572 0.00007438 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA3 1.625 DEG 0.00003297 0.00003092 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS4 1.084 ANG -0.02051972 1.36820981 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN4 110.851 DEG 0.00004396 0.00006795 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA4 31.006 DEG 0.00000297 0.00005158 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS5 1.084 ANG -0.02021767 1.36838200 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN5 111.071 DEG 0.00003229 0.00006776 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA5 151.256 DEG -0.00000319 0.00005185 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS6 1.088 ANG -0.01986884 1.33500359 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN6 110.578 DEG 0.00004122 0.00006406 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA6 -89.114 DEG 0.00000293 0.00005161 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS7 1.085 ANG -0.02065400 1.35735208 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN7 110.977 DEG 0.00004990 0.00006753 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA7 38.451 DEG 0.00000361 0.00005158 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS8 1.083 ANG -0.01994507 1.37528515 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN8 111.254 DEG 0.00002757 0.00006819 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA8 159.038 DEG -0.00000279 0.00005219 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AS9 1.088 ANG -0.02014459 1.33380388 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN9 110.555 DEG 0.00004239 0.00006396 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA9 -81.027 DEG -0.00001009 0.00005147 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> R1 2.156 ANG 0.01952250 0.39308607 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN10 100.567 DEG -0.00025710 0.00149411 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA10 -95.666 DEG -0.00032116 0.00069852 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> R2 2.126 ANG 0.02075258 0.12378671 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN11 99.321 DEG -0.00022113 0.00102183 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA11 -91.585 DEG -0.00027184 0.00071686 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> R 1.330 ANG -0.00695207 1.03834546 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> AN12 98.452 DEG -0.00001558 0.00033879 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> TA12 17.049 DEG -0.00018075 0.00042992 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> 0.000 0.00000000 0.00000000 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> 0.000 0.00000000 0.00000000 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> 0.000 0.00000000 0.00000000 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> 0.000 0.00000000 0.00000000 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> 0.000 0.00000000 0.00000000 0.000000 0.000000 0.000000</p><p>Variable Value Gradient Hessian Dipole gradient<br> 0.000 0.00000000 0.00000000 0.000000 0.000000 0.000000"<br><br>in my sadpoint search:<br></p><p>***for molpro<br>memory,400,m<br>geomtyp=zmat<br>geometry={<br>C<br>C,1,AA;<br>C,1,AS,2,AN;<br>C,2,AS1,1,AN1,3,TA1;<br>H,1,AS2,2,AN2,4,TA2;<br>H,2,AS3,1,AN3,3,TA3;<br>H,3,AS4,1,AN4,2,TA4;<br>H,3,AS5,1,AN5,2,TA5;<br>H,3,AS6,1,AN6,2,TA6;<br>H,4,AS7,2,AN7,1,TA7;<br>H,4,AS8,2,AN8,1,TA8;<br>H,4,AS9,2,AN9,1,TA9;<br>O,1,R1,2,AN10,4,TA10;<br>O,2,R2,1,AN11,3,TA11;<br>O,13,R,1,AN12,2,TA12;<br>end</p><p>AA=1.3934151 Ang<br>AS=1.5032345 Ang<br>AN=122.4483497 Degree<br>AS1=1.5064038 Ang<br>AN1=121.8955932 Degree<br>TA1=160.7121682 Degree<br>AS2=1.0768532 Ang<br>AN2=117.8797467 Degree<br>TA2=-0.0286588 Degree<br>AS3=1.0761391 Ang<br>AN3=117.7989532 Degree<br>TA3=1.6253089 Degree<br>AS4=1.0841113 Ang<br>AN4=110.8514586 Degree<br>TA4=31.0063048 Degree<br>AS5=1.0838039 Ang<br>AN5=111.0714546 Degree<br>TA5=151.2563619 Degree<br>AS6=1.0875160 Ang<br>AN6=110.5776817 Degree<br>TA6=-89.1138783 Degree<br>AS7=1.0852438 Ang<br>AN7=110.9767565 Degree<br>TA7=38.4508612 Degree<br>AS8=1.0830632 Ang<br>AN8=111.2539404 Degree<br>TA8=159.0380662 Degree<br>AS9=1.0875012 Ang<br>AN9=110.5548057 Degree<br>TA9=-81.0273108 Degree<br>R1=2.1562870 Ang<br>AN10=100.5666315 Degree<br>TA10=-95.6660161 Degree<br>R2=2.1261480 Ang<br>AN11=99.3211681 Degree<br>TA11=-91.5849702 Degree<br>R=1.3302494 Ang<br>AN12=98.4521284 Degree<br>TA12=17.0486476 Degree<br>}<br>basis={O=AVDZ,C=AVDZ,H=AVDZ,Cl=AVDZ}<br>{uhf;wf,56,1,0,0}<br>{multi,MAXIT=512;cpmcscf,hess,accu=1.d-4;occ,32;closed,21;wf,56,1,0,0}<br>{rs2c,shift=0.3,maxit=512,maxit=512}<br>{optg,root=2,gradient=1.d-4,method=diis,readhess,baker,maxit=512;numhess,hstep=-1}<br>---</p><p> </p> </BODY></HTML>