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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-492.712902
Energy at 298.15K-492.716451
HF Energy-492.712902
Nuclear repulsion energy91.095309
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 BLYP/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' 3278 3253 5.42 282.62 0.32 0.48
2 A' 3008 2985 38.21 141.59 0.49 0.66
3 A' 2414 2396 15.63 123.71 0.35 0.52
4 A' 1595 1583 165.99 5.60 0.19 0.31
5 A' 1329 1319 17.86 9.74 0.21 0.35
6 A' 1113 1104 70.29 20.05 0.75 0.86
7 A' 863 856 56.95 8.76 0.59 0.74
8 A' 610 605 102.92 12.19 0.32 0.48
9 A' 402 399 6.14 6.94 0.45 0.62
10 A" 1008 1000 1.43 0.73 0.75 0.86
11 A" 707 701 100.55 5.04 0.75 0.86
12 A" 378 375 51.67 3.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8351.8 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8288.3 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 BLYP/6-31G
ABC
1.80557 0.18849 0.17067

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.258 1.087 0.000
C2 0.000 0.825 0.000
S3 -0.629 -0.918 0.000
H4 1.479 2.102 0.000
H5 -0.853 1.522 0.000
H6 0.637 -1.497 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28522.75351.03882.15532.6577
C21.28521.85291.95441.10132.4078
S32.75351.85293.68322.44971.3927
H41.03881.95443.68322.40343.6963
H52.15531.10132.44972.40343.3665
H62.65772.40781.39273.69633.3665

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 121.625 N1 C2 H5 128.982
C2 N1 H4 114.066 C2 S3 H6 94.722
S3 C2 H5 109.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.407      
2 C -0.186      
3 S 0.099      
4 H 0.259      
5 H 0.154      
6 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.240 1.622 0.000 1.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.324 -1.320 0.000
y -1.320 -19.423 0.000
z 0.000 0.000 -27.617
Traceless
 xyz
x -4.804 -1.320 0.000
y -1.320 8.547 0.000
z 0.000 0.000 -3.743
Polar
3z2-r2-7.486
x2-y2-8.901
xy-1.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.971 1.422 0.000
y 1.422 6.954 0.000
z 0.000 0.000 2.188


<r2> (average value of r2) Å2
<r2> 71.237
(<r2>)1/2 8.440