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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-491.438438
Energy at 298.15K 
HF Energy-491.282856
Nuclear repulsion energy79.066222
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 B2PLYP=FULLultrafine/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' 3670 3531 225.70      
2 A' 2008 1933 706.80      
3 A' 872 839 0.91      
4 A' 686 660 361.75      
5 A' 449 432 58.14      
6 A" 476 458 5.86      

Unscaled Zero Point Vibrational Energy (zpe) 4080.2 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 3926.4 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
32.92614 0.19248 0.19136

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.178 1.704 0.000
C2 0.000 0.500 0.000
S3 0.047 -1.086 0.000
H4 0.500 2.453 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21702.79901.0108
C21.21701.58672.0165
S32.79901.58673.5684
H41.01082.01653.5684

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 173.272 C2 N1 H4 129.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability