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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-492.870850
Energy at 298.15K-492.874564
HF Energy-492.870850
Nuclear repulsion energy94.408859
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 B1B95/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' 3510 3359 5.18 201.49 0.31 0.48
2 A' 3080 2948 27.97 126.77 0.39 0.56
3 A' 2702 2585 0.78 108.39 0.26 0.41
4 A' 1695 1622 193.95 21.31 0.19 0.32
5 A' 1393 1333 19.97 5.08 0.09 0.16
6 A' 1192 1140 26.75 11.95 0.63 0.77
7 A' 924 884 54.88 4.27 0.51 0.68
8 A' 714 683 79.35 4.41 0.24 0.39
9 A' 426 408 18.32 4.19 0.47 0.64
10 A" 1069 1023 2.38 0.61 0.75 0.86
11 A" 742 710 86.40 2.43 0.75 0.86
12 A" 402 384 40.44 2.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8924.4 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 8539.8 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 B1B95/TZVP
ABC
1.94927 0.20298 0.18384

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.227 1.049 0.000
C2 0.000 0.771 0.000
S3 -0.610 -0.880 0.000
H4 1.371 2.055 0.000
H5 -0.819 1.493 0.000
H6 0.615 -1.440 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.25832.66331.01632.09362.5630
C21.25831.75941.87831.09192.2946
S32.66331.75943.54032.38211.3466
H41.01631.87833.54032.26033.5757
H52.09361.09192.38212.26033.2648
H62.56302.29461.34663.57573.2648

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 123.040 N1 C2 H5 125.804
C2 N1 H4 110.882 C2 S3 H6 94.315
S3 C2 H5 111.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.292      
2 C -0.082      
3 S -0.060      
4 H 0.189      
5 H 0.130      
6 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.733 1.216 0.000 1.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.085 -1.526 0.000
y -1.526 -19.492 0.000
z 0.000 0.000 -27.537
Traceless
 xyz
x -4.571 -1.526 0.000
y -1.526 8.319 0.000
z 0.000 0.000 -3.749
Polar
3z2-r2-7.497
x2-y2-8.593
xy-1.526
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.187 1.305 0.000
y 1.305 6.832 0.000
z 0.000 0.000 3.144


<r2> (average value of r2) Å2
<r2> 67.226
(<r2>)1/2 8.199