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

using model chemistry: MP4/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-492.106943
Energy at 298.15K-492.110612
HF Energy-491.603303
Nuclear repulsion energy93.586383
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 MP4/TZVP
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' 3463 3335        
2 A' 3090 2975        
3 A' 2725 2624        
4 A' 1611 1551        
5 A' 1400 1349        
6 A' 1217 1172        
7 A' 940 905        
8 A' 714 688        
9 A' 431 415        
10 A" 1041 1003        
11 A" 725 698        
12 A" 359 346        

Unscaled Zero Point Vibrational Energy (zpe) 8858.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 8529.9 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 MP4/TZVP
ABC
1.90115 0.19962 0.18065

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.250 1.048 0.000
C2 0.000 0.779 0.000
S3 -0.620 -0.884 0.000
H4 1.370 2.063 0.000
H5 -0.811 1.513 0.000
H6 0.605 -1.439 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27872.68851.02272.11262.5688
C21.27871.77451.87801.09392.2988
S32.68851.77453.55612.40501.3449
H41.02271.87803.55612.24883.5847
H52.11261.09392.40502.24883.2742
H62.56882.29881.34493.58473.2742

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 122.581 N1 C2 H5 125.673
C2 N1 H4 108.871 C2 S3 H6 93.922
S3 C2 H5 111.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability