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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-491.656761
Energy at 298.15K-491.657412
HF Energy-491.656761
Nuclear repulsion energy79.184852
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 mPW1PW91/6-311+G(3df,2p)
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' 2700 2700 6.55      
2 A' 2311 2311 21.16      
3 A' 984 984 7.79      
4 A' 719 719 0.29      
5 A' 350 350 3.81      
6 A" 418 418 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 3741.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3741.1 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 mPW1PW91/6-311+G(3df,2p)
ABC
9.67713 0.19571 0.19183

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.069 -0.993 0.000
C2 0.000 0.691 0.000
N3 -0.022 1.843 0.000
H4 1.263 -1.163 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.68492.83611.3434
C21.68491.15242.2430
N32.83611.15243.2688
H41.34342.24303.2688

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 176.561 C2 S1 H4 94.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.041      
2 C 0.768      
3 N -0.897      
4 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.901 -3.433 0.000 3.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.895 -1.433 0.000
y -1.433 -28.604 0.000
z 0.000 0.000 -25.386
Traceless
 xyz
x 5.100 -1.433 0.000
y -1.433 -4.964 0.000
z 0.000 0.000 -0.136
Polar
3z2-r2-0.272
x2-y26.709
xy-1.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.288 -0.210 0.000
y -0.210 7.777 0.000
z 0.000 0.000 4.112


<r2> (average value of r2) Å2
<r2> 61.234
(<r2>)1/2 7.825