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

using model chemistry: CCSD=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-490.892832
Energy at 298.15K-490.893592
HF Energy-490.428055
Nuclear repulsion energy78.943620
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 CCSD=FULL/aug-cc-pVDZ
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' 3686 3686 223.76      
2 A' 2019 2019 876.27      
3 A' 873 873 2.27      
4 A' 670 670 414.58      
5 A' 450 450 93.76      
6 A" 485 485 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 4090.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4090.9 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 CCSD=FULL/aug-cc-pVDZ
ABC
31.51008 0.19193 0.19077

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.160 1.709 0.000
C2 0.000 0.503 0.000
S3 0.036 -1.088 0.000
H4 0.548 2.433 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21632.80411.0122
C21.21631.59192.0057
S32.80411.59193.5579
H41.01222.00573.5579

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 173.734 C2 N1 H4 128.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability