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

using model chemistry: CCSD/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/6-31G*
 hartrees
Energy at 0K-491.984752
Energy at 298.15K-491.988447
HF Energy-491.543586
Nuclear repulsion energy93.796419
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/6-31G*
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' 3458 3266 0.22      
2 A' 3118 2945 29.07      
3 A' 2730 2578 2.43      
4 A' 1699 1604 107.50      
5 A' 1436 1356 22.52      
6 A' 1247 1177 30.83      
7 A' 970 916 48.93      
8 A' 742 701 61.67      
9 A' 440 415 19.28      
10 A" 1085 1024 4.97      
11 A" 746 704 77.45      
12 A" 361 341 42.33      

Unscaled Zero Point Vibrational Energy (zpe) 9015.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 8512.9 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/6-31G*
ABC
1.90175 0.20101 0.18179

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.249 1.040 0.000
C2 0.000 0.775 0.000
S3 -0.620 -0.879 0.000
H4 1.388 2.057 0.000
H5 -0.811 1.514 0.000
H6 0.602 -1.446 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27632.67841.02592.11322.5688
C21.27631.76651.88921.09672.3014
S32.67841.76653.55662.39991.3473
H41.02591.88923.55662.26543.5896
H52.11321.09672.39992.26543.2795
H62.56882.30141.34733.58963.2795

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 122.527 N1 C2 H5 125.711
C2 N1 H4 109.812 C2 S3 H6 94.346
S3 C2 H5 111.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability