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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-492.555798
Energy at 298.15K-492.559513
HF Energy-492.555798
Nuclear repulsion energy94.188889
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 PBE1PBE/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' 3499 3325 0.54 194.16 0.32 0.49
2 A' 3102 2947 30.36 106.93 0.42 0.59
3 A' 2738 2602 0.75 106.07 0.35 0.52
4 A' 1712 1627 163.95 15.32 0.24 0.38
5 A' 1409 1339 23.16 6.35 0.18 0.31
6 A' 1218 1157 31.02 15.41 0.70 0.82
7 A' 946 899 54.22 6.28 0.63 0.77
8 A' 728 692 72.98 4.81 0.27 0.42
9 A' 433 411 17.91 3.30 0.47 0.64
10 A" 1070 1017 3.53 0.30 0.75 0.86
11 A" 741 705 79.46 4.95 0.75 0.86
12 A" 404 384 45.11 1.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8999.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8552.4 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 PBE1PBE/6-31G*
ABC
1.91937 0.20270 0.18334

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 1.041 0.000
C2 0.000 0.773 0.000
S3 -0.614 -0.877 0.000
H4 1.378 2.053 0.000
H5 -0.823 1.498 0.000
H6 0.605 -1.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26702.66641.02162.11132.5682
C21.26701.76001.88131.09722.3014
S32.66641.76003.54322.38401.3465
H41.02161.88133.54322.27013.5853
H52.11131.09722.38402.27013.2739
H62.56822.30141.34653.58533.2739

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 122.666 N1 C2 H5 126.364
C2 N1 H4 110.112 C2 S3 H6 94.669
S3 C2 H5 110.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.532      
2 C -0.121      
3 S -0.009      
4 H 0.321      
5 H 0.196      
6 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.594 1.260 0.000 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.796 -1.531 0.000
y -1.531 -19.252 0.000
z 0.000 0.000 -27.426
Traceless
 xyz
x -4.457 -1.531 0.000
y -1.531 8.359 0.000
z 0.000 0.000 -3.902
Polar
3z2-r2-7.804
x2-y2-8.544
xy-1.531
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.649 1.243 0.000
y 1.243 6.320 0.000
z 0.000 0.000 2.576


<r2> (average value of r2) Å2
<r2> 67.241
(<r2>)1/2 8.200