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All results from a given calculation for HSCN (thiocyanic acid)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-489.086684
Energy at 298.15K-489.087356
HF Energy-489.086684
Nuclear repulsion energy76.276248
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 BLYP/3-21G
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' 2340 2327 10.38      
2 A' 2177 2165 4.62      
3 A' 947 942 16.11      
4 A' 614 611 0.20      
5 A' 405 403 3.44      
6 A" 450 447 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 3466.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3447.1 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 BLYP/3-21G
ABC
9.04485 0.18107 0.17751

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.084 -1.033 0.000
C2 0.000 0.730 0.000
N3 0.007 1.910 0.000
H4 1.294 -1.230 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.76442.94431.3917
C21.76441.18042.3487
N32.94431.18043.3941
H41.39172.34873.3941

picture of thiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N3 177.613 C2 S1 H4 95.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.328      
2 C -0.058      
3 N -0.394      
4 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.223 -2.660 0.000 2.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.270 -2.053 0.000
y -2.053 -28.457 0.000
z 0.000 0.000 -25.487
Traceless
 xyz
x 4.702 -2.053 0.000
y -2.053 -4.578 0.000
z 0.000 0.000 -0.123
Polar
3z2-r2-0.247
x2-y26.187
xy-2.053
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.144 -0.309 0.000
y -0.309 6.343 0.000
z 0.000 0.000 1.873


<r2> (average value of r2) Å2
<r2> 64.968
(<r2>)1/2 8.060