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

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-485.935695
Energy at 298.15K-485.936122
HF Energy-485.935695
Nuclear repulsion energy75.970419
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2803 2594 8.93      
2 A' 2191 2027 0.43      
3 A' 1050 972 11.54      
4 A' 684 633 0.44      
5 A' 323 299 2.32      
6 A" 364 337 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 3707.9 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3430.6 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/STO-3G
ABC
9.07274 0.18009 0.17658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.071 -1.035 0.000
C2 0.000 0.708 0.000
N3 -0.025 1.926 0.000
H4 1.306 -1.177 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.74482.96171.3837
C21.74481.21832.2936
N32.96171.21833.3769
H41.38372.29363.3769

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 176.497 C2 S1 H4 93.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.240      
2 C -0.081      
3 N -0.184      
4 H 0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.811 -3.065 0.000 3.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.992 -1.128 0.000
y -1.128 -25.954 0.000
z 0.000 0.000 -21.827
Traceless
 xyz
x 3.898 -1.128 0.000
y -1.128 -5.044 0.000
z 0.000 0.000 1.146
Polar
3z2-r22.293
x2-y25.961
xy-1.128
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.695 -0.399 0.000
y -0.399 4.223 0.000
z 0.000 0.000 0.576


<r2> (average value of r2) Å2
<r2> 63.412
(<r2>)1/2 7.963