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

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-491.739154
Energy at 298.15K-491.742742
HF Energy-491.454966
Nuclear repulsion energy91.369427
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 CCD/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' 3398 3260 3.22      
2 A' 3113 2987 24.75      
3 A' 2471 2371 16.12      
4 A' 1657 1590 90.56      
5 A' 1406 1349 18.26      
6 A' 1194 1145 64.46      
7 A' 911 874 50.64      
8 A' 657 630 67.97      
9 A' 422 405 15.40      
10 A" 1089 1045 4.52      
11 A" 738 708 106.58      
12 A" 324 311 56.85      

Unscaled Zero Point Vibrational Energy (zpe) 8689.9 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 8337.9 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 CCD/6-31G
ABC
1.81794 0.18952 0.17163

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.260 1.079 0.000
C2 0.000 0.820 0.000
S3 -0.631 -0.913 0.000
H4 1.489 2.085 0.000
H5 -0.828 1.539 0.000
H6 0.624 -1.492 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28592.74681.03102.13722.6485
C21.28591.84441.95351.09652.3947
S32.74681.84443.67172.45991.3829
H41.03101.95353.67172.38003.6794
H52.13721.09652.45992.38003.3609
H62.64852.39471.38293.67943.3609

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 121.657 N1 C2 H5 127.377
C2 N1 H4 114.497 C2 S3 H6 94.728
S3 C2 H5 110.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability