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

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
1 2 no C*V 1Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-491.649310
Energy at 298.15K-491.650073
HF Energy-491.649310
Nuclear repulsion energy79.583941
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 B97D3/cc-pVTZ
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' 3605 3554 166.91      
2 A' 2002 1974 589.46      
3 A' 866 854 0.88      
4 A' 694 685 323.52      
5 A' 452 446 45.26      
6 A" 475 468 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 4047.2 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 3990.5 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 B97D3/cc-pVTZ
ABC
33.04159 0.19507 0.19392

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.166 1.694 0.000
C2 0.000 0.495 0.000
S3 0.040 -1.079 0.000
H4 0.518 2.434 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21022.78061.0081
C21.21021.57472.0071
S32.78061.57473.5456
H41.00812.00713.5456

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 173.582 C2 N1 H4 129.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.119      
2 C 0.035      
3 S -0.106      
4 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.096 1.543 0.000 1.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.153 2.932 0.000
y 2.932 -19.452 0.000
z 0.000 0.000 -24.983
Traceless
 xyz
x -1.935 2.932 0.000
y 2.932 5.116 0.000
z 0.000 0.000 -3.181
Polar
3z2-r2-6.362
x2-y2-4.701
xy2.932
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.279 -0.207 0.000
y -0.207 9.303 0.000
z 0.000 0.000 3.122


<r2> (average value of r2) Å2
<r2> 60.879
(<r2>)1/2 7.802

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-491.643896
Energy at 298.15K 
HF Energy-491.643896
Nuclear repulsion energy79.663319
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 B97D3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3861 3807 630.39      
2 Σ 2118 2088 645.95      
3 Σ 851 839 19.87      
4 Π 472 465 8.36      
4 Π 472 465 8.36      
5 Π 533i 525i 138.83      
5 Π 533i 525i 138.83      

Unscaled Zero Point Vibrational Energy (zpe) 3353.5 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 3306.6 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 B97D3/cc-pVTZ
B
0.19268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.681
C2 0.000 0.000 -0.497
S3 0.000 0.000 1.089
H4 0.000 0.000 -2.672

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.18442.76950.9913
C21.18441.58512.1756
S32.76951.58513.7607
H40.99132.17563.7607

picture of Isothiocyanic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 180.000 C2 N1 H4 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.104      
2 C 0.052      
3 S -0.167      
4 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.933 2.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.944 0.000 0.000
y 0.000 -24.944 0.000
z 0.000 0.000 -15.856
Traceless
 xyz
x -4.544 0.000 0.000
y 0.000 -4.544 0.000
z 0.000 0.000 9.087
Polar
3z2-r218.175
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.097 0.000 0.000
y 0.000 3.097 0.000
z 0.000 0.000 9.115


<r2> (average value of r2) Å2
<r2> 61.044
(<r2>)1/2 7.813