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

using model chemistry: MP4=FULL/6-311G**

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=FULL/6-311G**
 hartrees
Energy at 0K-492.256900
Energy at 298.15K-492.260590
HF Energy-491.596485
Nuclear repulsion energy93.773033
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=FULL/6-311G**
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' 3479 3345        
2 A' 3075 2957        
3 A' 2754 2648        
4 A' 1620 1557        
5 A' 1395 1342        
6 A' 1221 1174        
7 A' 950 914        
8 A' 726 698        
9 A' 431 415        
10 A" 1054 1013        
11 A" 731 703        
12 A" 368 354        

Unscaled Zero Point Vibrational Energy (zpe) 8901.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8559.0 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=FULL/6-311G**
ABC
1.89435 0.20094 0.18167

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.255 1.037 0.000
C2 0.000 0.775 0.000
S3 -0.622 -0.878 0.000
H4 1.376 2.053 0.000
H5 -0.810 1.517 0.000
H6 0.601 -1.427 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28162.68121.02302.11982.5486
C21.28161.76681.87701.09802.2824
S32.68121.76683.54682.40231.3399
H41.02301.87703.54682.25043.5643
H52.11981.09802.40232.25043.2638
H62.54862.28241.33993.56433.2638

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 122.373 N1 C2 H5 125.776
C2 N1 H4 108.549 C2 S3 H6 93.543
S3 C2 H5 111.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability