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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-492.808951
Energy at 298.15K-492.812662
HF Energy-492.808951
Nuclear repulsion energy94.189002
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 mPW1PW91/6-31G**
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' 3526 3355 1.15 196.67 0.32 0.48
2 A' 3097 2947 29.43 107.87 0.41 0.58
3 A' 2736 2603 0.12 105.62 0.33 0.49
4 A' 1710 1627 165.82 15.43 0.23 0.38
5 A' 1402 1334 22.68 6.36 0.18 0.31
6 A' 1209 1150 32.09 14.96 0.70 0.82
7 A' 938 893 53.51 6.17 0.62 0.77
8 A' 723 688 73.79 4.91 0.26 0.42
9 A' 430 410 17.43 3.41 0.47 0.64
10 A" 1070 1018 3.19 0.30 0.75 0.86
11 A" 741 705 77.01 4.95 0.75 0.86
12 A" 398 379 44.21 1.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8990.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 8554.1 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 mPW1PW91/6-31G**
ABC
1.92432 0.20246 0.18318

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.237 1.044 0.000
C2 0.000 0.773 0.000
S3 -0.613 -0.878 0.000
H4 1.374 2.055 0.000
H5 -0.824 1.496 0.000
H6 0.604 -1.449 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26582.66781.01962.10922.5725
C21.26581.76171.87861.09552.3031
S32.66781.76173.54262.38311.3443
H41.01961.87863.54262.26773.5874
H52.10921.09552.38312.26773.2726
H62.57252.30311.34433.58743.2726

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 122.725 N1 C2 H5 126.403
C2 N1 H4 110.103 C2 S3 H6 94.766
S3 C2 H5 110.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.488      
2 C -0.066      
3 S 0.027      
4 H 0.262      
5 H 0.157      
6 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.598 1.247 0.000 1.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.658 -1.546 0.000
y -1.546 -19.257 0.000
z 0.000 0.000 -27.297
Traceless
 xyz
x -4.381 -1.546 0.000
y -1.546 8.221 0.000
z 0.000 0.000 -3.840
Polar
3z2-r2-7.679
x2-y2-8.402
xy-1.546
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.660 1.241 0.000
y 1.241 6.361 0.000
z 0.000 0.000 2.614


<r2> (average value of r2) Å2
<r2> 67.220
(<r2>)1/2 8.199