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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-491.198509
Energy at 298.15K-491.199256
HF Energy-490.459412
Nuclear repulsion energy80.098033
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/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' 3762 3762 293.19      
2 A' 2067 2067 918.27      
3 A' 891 891 8.10      
4 A' 601 601 324.55      
5 A' 456 456 197.56      
6 A" 506 506 3.00      

Unscaled Zero Point Vibrational Energy (zpe) 4141.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4141.1 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 CCSD=FULL/6-311+G(3df,2p)
ABC
37.76708 0.19725 0.19623

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.136 1.682 0.000
C2 0.000 0.494 0.000
S3 0.027 -1.074 0.000
H4 0.515 2.443 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19632.76131.0011
C21.19631.56812.0163
S32.76131.56813.5509
H41.00112.01633.5509

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 174.481 C2 N1 H4 132.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability