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All results from a given calculation for NHCHSH (Methanimidothioic acid)

using model chemistry: CCSD(T)/6-31G*

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(T)/6-31G*
 hartrees
Energy at 0K-492.000326
Energy at 298.15K-492.004002
HF Energy-491.542782
Nuclear repulsion energy93.576200
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(T)/6-31G*
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' 3419 3290        
2 A' 3093 2975        
3 A' 2708 2605        
4 A' 1656 1593        
5 A' 1419 1365        
6 A' 1237 1190        
7 A' 958 922        
8 A' 732 705        
9 A' 433 417        
10 A" 1063 1022        
11 A" 735 707        
12 A" 363 349        

Unscaled Zero Point Vibrational Energy (zpe) 8907.5 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 8569.9 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(T)/6-31G*
ABC
1.88484 0.20031 0.18107

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.256 1.038 0.000
C2 0.000 0.777 0.000
S3 -0.624 -0.879 0.000
H4 1.395 2.057 0.000
H5 -0.812 1.517 0.000
H6 0.602 -1.444 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28262.68401.02862.12242.5664
C21.28261.76931.89321.09852.3013
S32.68401.76933.56252.40341.3494
H41.02861.89323.56252.27193.5896
H52.12241.09852.40342.27193.2814
H62.56642.30131.34943.58963.2814

picture of Methanimidothioic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 122.351 N1 C2 H5 125.917
C2 N1 H4 109.510 C2 S3 H6 94.140
S3 C2 H5 111.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability