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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-489.478526
Energy at 298.15K-489.482260
HF Energy-489.166051
Nuclear repulsion energy93.824058
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 CID/3-21G*
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' 3404 3168 1.08      
2 A' 3134 2916 28.60      
3 A' 2811 2615 0.38      
4 A' 1693 1575 74.91      
5 A' 1457 1356 26.60      
6 A' 1260 1173 62.04      
7 A' 1000 930 49.73      
8 A' 717 667 67.98      
9 A' 447 416 17.58      
10 A" 1139 1060 4.03      
11 A" 774 721 91.16      
12 A" 368 343 46.50      

Unscaled Zero Point Vibrational Energy (zpe) 9102.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 8469.9 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 CID/3-21G*
ABC
1.89913 0.20115 0.18189

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.249 1.031 0.000
C2 0.000 0.781 0.000
S3 -0.625 -0.876 0.000
H4 1.470 2.035 0.000
H5 -0.810 1.511 0.000
H6 0.589 -1.437 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27372.67291.02872.11412.5545
C21.27371.77061.93261.09032.2949
S32.67291.77063.58642.39401.3368
H41.02871.93263.58642.33963.5825
H52.11411.09032.39402.33963.2630
H62.55452.29491.33683.58253.2630

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 121.959 N1 C2 H5 126.661
C2 N1 H4 113.725 C2 S3 H6 94.173
S3 C2 H5 111.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability