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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-489.345401
Energy at 298.15K-489.348946
HF Energy-489.049356
Nuclear repulsion energy90.924071
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 MP4/3-21G
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' 3271 3172        
2 A' 3068 2976        
3 A' 2408 2335        
4 A' 1582 1534        
5 A' 1359 1318        
6 A' 1170 1134        
7 A' 895 868        
8 A' 597 579        
9 A' 400 388        
10 A" 1068 1036        
11 A" 728 706        
12 A" 344 334        

Unscaled Zero Point Vibrational Energy (zpe) 8445.0 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 8190.0 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 MP4/3-21G
ABC
1.77809 0.18799 0.17002

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.262 1.076 0.000
C2 0.000 0.840 0.000
S3 -0.633 -0.921 0.000
H4 1.497 2.088 0.000
H5 -0.841 1.541 0.000
H6 0.636 -1.461 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28442.75361.03862.15422.6134
C21.28441.87111.94911.09502.3872
S32.75361.87113.68662.47071.3797
H41.03861.94913.68662.40113.6518
H52.15421.09502.47072.40113.3458
H62.61342.38721.37973.65183.3458

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 120.387 N1 C2 H5 129.572
C2 N1 H4 113.660 C2 S3 H6 93.267
S3 C2 H5 110.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability