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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-490.273292
Energy at 298.15K-490.276810
HF Energy-490.273292
Nuclear repulsion energy90.863229
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3168 3151 6.35 292.49 0.30 0.46
2 A' 2984 2968 35.90 124.24 0.54 0.70
3 A' 2374 2361 11.23 105.19 0.35 0.52
4 A' 1591 1582 144.08 4.26 0.15 0.26
5 A' 1311 1304 19.92 7.81 0.20 0.33
6 A' 1119 1113 87.61 20.84 0.74 0.85
7 A' 865 861 51.52 9.92 0.63 0.78
8 A' 571 567 112.33 12.97 0.34 0.51
9 A' 387 385 2.41 7.30 0.45 0.62
10 A" 1011 1006 0.71 0.99 0.75 0.86
11 A" 704 700 90.36 4.61 0.75 0.86
12 A" 380 377 50.42 7.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8232.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8187.1 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 BLYP/3-21G
ABC
1.78642 0.18753 0.16971

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.253 1.088 0.000
C2 0.000 0.841 0.000
S3 -0.627 -0.927 0.000
H4 1.475 2.112 0.000
H5 -0.866 1.519 0.000
H6 0.651 -1.469 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27672.75531.04722.16222.6270
C21.27671.87571.94641.09982.4001
S32.75531.87573.69422.45711.3881
H41.04721.94643.69422.41503.6741
H52.16221.09982.45712.41503.3509
H62.62702.40011.38813.67413.3509

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 120.679 N1 C2 H5 130.821
C2 N1 H4 113.401 C2 S3 H6 93.474
S3 C2 H5 108.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.472      
2 C -0.185      
3 S 0.089      
4 H 0.260      
5 H 0.205      
6 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.037 1.738 0.000 1.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.722 -1.177 0.000
y -1.177 -19.657 0.000
z 0.000 0.000 -27.695
Traceless
 xyz
x -4.046 -1.177 0.000
y -1.177 8.051 0.000
z 0.000 0.000 -4.006
Polar
3z2-r2-8.011
x2-y2-8.064
xy-1.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.567 1.335 0.000
y 1.335 6.661 0.000
z 0.000 0.000 1.749


<r2> (average value of r2) Å2
<r2> 71.445
(<r2>)1/2 8.453