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

using model chemistry: B3LYPultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-492.840922
Energy at 298.15K-492.844595
HF Energy-492.840922
Nuclear repulsion energy93.897129
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 B3LYPultrafine/6-31G(2df,p)
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' 3462 3340 1.38 198.12 0.31 0.48
2 A' 3048 2941 30.90 101.74 0.42 0.59
3 A' 2673 2579 0.38 93.71 0.29 0.45
4 A' 1675 1616 162.88 14.99 0.25 0.40
5 A' 1378 1330 24.12 5.04 0.14 0.25
6 A' 1192 1150 34.44 13.91 0.64 0.78
7 A' 922 890 47.08 5.01 0.45 0.62
8 A' 691 667 71.47 6.16 0.18 0.30
9 A' 420 405 15.50 3.21 0.42 0.59
10 A" 1060 1023 4.18 0.54 0.75 0.86
11 A" 731 706 61.77 4.56 0.75 0.86
12 A" 390 376 32.66 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8820.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 8511.5 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 B3LYPultrafine/6-31G(2df,p)
ABC
1.93431 0.20047 0.18164

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.233 1.060 0.000
C2 0.000 0.775 0.000
S3 -0.611 -0.885 0.000
H4 1.366 2.073 0.000
H5 -0.833 1.488 0.000
H6 0.607 -1.463 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26602.68061.02142.11012.5998
C21.26601.76881.88461.09632.3187
S32.68061.76883.55792.38321.3480
H41.02141.88463.55792.27573.6165
H52.11011.09632.38322.27573.2833
H62.59982.31871.34803.61653.2833

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 123.228 N1 C2 H5 126.414
C2 N1 H4 110.499 C2 S3 H6 95.181
S3 C2 H5 110.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.385      
2 C 0.031      
3 S -0.193      
4 H 0.236      
5 H 0.125      
6 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.637 1.098 0.000 1.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.427 -1.545 0.000
y -1.545 -19.728 0.000
z 0.000 0.000 -27.165
Traceless
 xyz
x -3.981 -1.545 0.000
y -1.545 7.568 0.000
z 0.000 0.000 -3.587
Polar
3z2-r2-7.175
x2-y2-7.699
xy-1.545
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.856 1.295 0.000
y 1.295 6.780 0.000
z 0.000 0.000 3.276


<r2> (average value of r2) Å2
<r2> 67.677
(<r2>)1/2 8.227