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

using model chemistry: CCSD=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-492.002368
Energy at 298.15K-492.006068
HF Energy-491.543708
Nuclear repulsion energy93.879992
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/6-31G*
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' 3460 3286 0.19      
2 A' 3119 2963 29.04      
3 A' 2730 2593 2.45      
4 A' 1702 1617 107.91      
5 A' 1435 1363 22.41      
6 A' 1246 1184 31.02      
7 A' 971 923 49.38      
8 A' 743 706 61.48      
9 A' 441 419 19.37      
10 A" 1087 1033 4.94      
11 A" 747 710 77.66      
12 A" 363 344 42.17      

Unscaled Zero Point Vibrational Energy (zpe) 9022.2 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 8569.3 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/6-31G*
ABC
1.90523 0.20140 0.18214

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.247 1.039 0.000
C2 0.000 0.774 0.000
S3 -0.619 -0.878 0.000
H4 1.388 2.055 0.000
H5 -0.811 1.512 0.000
H6 0.602 -1.445 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27512.67581.02562.11162.5671
C21.27511.76431.88891.09642.2999
S32.67581.76433.55432.39771.3471
H41.02561.88893.55432.26503.5878
H52.11161.09642.39772.26503.2779
H62.56712.29991.34713.58783.2779

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 122.554 N1 C2 H5 125.685
C2 N1 H4 109.898 C2 S3 H6 94.368
S3 C2 H5 111.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability