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

using model chemistry: SVWN/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 SVWN/6-311+G(3df,2p)
 hartrees
Energy at 0K-490.138685
Energy at 298.15K-490.139422
HF Energy-490.138685
Nuclear repulsion energy80.173270
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 SVWN/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' 3627 3627 276.82      
2 A' 2066 2066 651.90      
3 A' 895 895 2.35      
4 A' 612 612 276.81      
5 A' 455 455 79.43      
6 A" 485 485 5.03      

Unscaled Zero Point Vibrational Energy (zpe) 4069.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4069.7 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 SVWN/6-311+G(3df,2p)
ABC
39.62372 0.19772 0.19674

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.137 1.680 0.000
C2 0.000 0.487 0.000
S3 0.029 -1.072 0.000
H4 0.495 2.470 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20012.75671.0120
C21.20011.55972.0437
S32.75671.55973.5729
H41.01202.04373.5729

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 174.518 C2 N1 H4 134.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.760      
2 C 0.529      
3 S -0.001      
4 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.035 1.556 0.000 1.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.576 2.898 0.000
y 2.898 -19.064 0.000
z 0.000 0.000 -25.365
Traceless
 xyz
x -2.361 2.898 0.000
y 2.898 5.907 0.000
z 0.000 0.000 -3.545
Polar
3z2-r2-7.091
x2-y2-5.512
xy2.898
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.209 -0.203 0.000
y -0.203 9.908 0.000
z 0.000 0.000 4.183


<r2> (average value of r2) Å2
<r2> 60.422
(<r2>)1/2 7.773