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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-490.023131
Energy at 298.15K-490.026700
HF Energy-490.023131
Nuclear repulsion energy91.478439
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 PBEPBEultrafine/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' 3211 3182 1.93 268.60 0.31 0.47
2 A' 2998 2970 31.78 121.31 0.51 0.68
3 A' 2402 2380 6.74 103.96 0.35 0.51
4 A' 1603 1589 137.26 4.89 0.15 0.25
5 A' 1312 1300 19.35 7.98 0.20 0.34
6 A' 1120 1110 80.77 19.53 0.74 0.85
7 A' 870 862 54.57 9.27 0.65 0.79
8 A' 599 594 110.31 12.37 0.36 0.53
9 A' 397 394 5.48 5.78 0.45 0.62
10 A" 1016 1007 0.34 0.86 0.75 0.86
11 A" 712 706 98.53 4.23 0.75 0.86
12 A" 396 393 55.69 7.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8318.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8242.5 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 PBEPBEultrafine/3-21G
ABC
1.78664 0.19129 0.17279

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.256 1.065 0.000
C2 0.000 0.830 0.000
S3 -0.629 -0.912 0.000
H4 1.484 2.086 0.000
H5 -0.859 1.520 0.000
H6 0.649 -1.451 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27772.73101.04612.16332.5882
C21.27771.85141.94381.10192.3714
S32.73101.85143.66692.44231.3869
H41.04611.94383.66692.40983.6342
H52.16331.10192.44232.40983.3318
H62.58822.37141.38693.63423.3318

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 120.455 N1 C2 H5 130.624
C2 N1 H4 113.159 C2 S3 H6 93.042
S3 C2 H5 108.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.493      
2 C -0.241      
3 S 0.099      
4 H 0.279      
5 H 0.232      
6 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 1.715 0.000 1.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.749 -1.173 0.000
y -1.173 -19.516 0.000
z 0.000 0.000 -27.810
Traceless
 xyz
x -4.086 -1.173 0.000
y -1.173 8.264 0.000
z 0.000 0.000 -4.177
Polar
3z2-r2-8.355
x2-y2-8.233
xy-1.173
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.577 1.309 0.000
y 1.309 6.526 0.000
z 0.000 0.000 1.779


<r2> (average value of r2) Å2
<r2> 70.488
(<r2>)1/2 8.396