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

using model chemistry: CCSD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-492.022781
Energy at 298.15K-492.026469
HF Energy-491.558698
Nuclear repulsion energy93.938955
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/6-31+G**
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' 3546 3311 1.45      
2 A' 3156 2947 26.02      
3 A' 2780 2596 0.11      
4 A' 1688 1577 142.10      
5 A' 1430 1336 15.39      
6 A' 1236 1154 20.45      
7 A' 974 909 57.34      
8 A' 744 695 66.01      
9 A' 437 408 21.50      
10 A" 1078 1007 2.72      
11 A" 740 691 89.99      
12 A" 347 324 35.58      

Unscaled Zero Point Vibrational Energy (zpe) 9077.8 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 8476.8 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/6-31+G**
ABC
1.92594 0.20085 0.18189

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.248 1.045 0.000
C2 0.000 0.771 0.000
S3 -0.619 -0.879 0.000
H4 1.381 2.056 0.000
H5 -0.803 1.509 0.000
H6 0.591 -1.445 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27772.68101.01992.10312.5750
C21.27771.76231.88671.09092.2933
S32.68101.76233.55202.39531.3357
H41.01991.88673.55202.25203.5890
H52.10311.09092.39532.25203.2665
H62.57502.29331.33573.58903.2665

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 122.946 N1 C2 H5 125.029
C2 N1 H4 109.896 C2 S3 H6 94.497
S3 C2 H5 112.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability