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

using model chemistry: MP4=FULL/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=FULL/3-21G
 hartrees
Energy at 0K-489.353459
Energy at 298.15K-489.357004
HF Energy-489.049377
Nuclear repulsion energy90.926555
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/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' 3272 3202        
2 A' 3068 3003        
3 A' 2405 2354        
4 A' 1583 1549        
5 A' 1359 1330        
6 A' 1169 1144        
7 A' 894 876        
8 A' 597 584        
9 A' 400 392        
10 A" 1069 1046        
11 A" 728 712        
12 A" 344 337        

Unscaled Zero Point Vibrational Energy (zpe) 8443.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 8264.9 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=FULL/3-21G
ABC
1.77818 0.18800 0.17002

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/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 0.637 -1.461 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28422.75341.03842.15402.6133
C21.28421.87121.94921.09492.3873
S32.75341.87123.68662.47071.3798
H41.03841.94923.68662.40133.6517
H52.15401.09492.47072.40133.3459
H62.61332.38731.37983.65173.3459

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 120.383 N1 C2 H5 129.573
C2 N1 H4 113.687 C2 S3 H6 93.266
S3 C2 H5 110.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability