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All results from a given calculation for HNCS (Isothiocyanic acid)

using model chemistry: TPSSh/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-491.641222
Energy at 298.15K-491.641971
HF Energy-491.641222
Nuclear repulsion energy79.415896
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3687 3535 203.18      
2 A' 2057 1972 615.81      
3 A' 878 842 2.06      
4 A' 676 648 366.62      
5 A' 452 433 57.69      
6 A" 478 458 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 4113.9 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 3944.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G**
ABC
34.15189 0.19414 0.19304

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.172 1.696 0.000
C2 0.000 0.497 0.000
S3 0.044 -1.082 0.000
H4 0.495 2.452 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21112.78591.0086
C21.21111.57932.0171
S32.78591.57933.5627
H41.00862.01713.5627

picture of Isothiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 173.444 C2 N1 H4 130.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.539      
2 C 0.266      
3 S -0.049      
4 H 0.322      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.202 1.901 0.000 2.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.509 -0.237 0.000
y -0.237 8.805 0.000
z 0.000 0.000 2.304


<r2> (average value of r2) Å2
<r2> 61.036
(<r2>)1/2 7.813