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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-26.830932
Energy at 298.15K-26.834725
HF Energy-26.830932
Nuclear repulsion energy35.570170
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 HF/CEP-121G*
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' 3728 3368 2.19 195.58 0.33 0.50
2 A' 3264 2949 39.09 103.96 0.42 0.59
3 A' 2872 2595 0.08 116.41 0.32 0.48
4 A' 1813 1638 210.81 29.07 0.26 0.41
5 A' 1522 1375 37.79 6.61 0.10 0.18
6 A' 1315 1188 22.84 13.17 0.68 0.81
7 A' 1021 922 59.16 4.93 0.60 0.75
8 A' 772 697 70.34 5.08 0.14 0.24
9 A' 454 410 23.05 4.60 0.43 0.60
10 A" 1185 1071 7.34 0.48 0.75 0.86
11 A" 800 723 85.91 3.35 0.75 0.86
12 A" 374 337 48.07 0.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9559.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 8636.1 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 HF/CEP-121G*
ABC
1.95703 0.20075 0.18207

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.222 1.065 0.000
C2 0.000 0.779 0.000
S3 -0.606 -0.889 0.000
H4 1.353 2.063 0.000
H5 -0.810 1.503 0.000
H6 0.597 -1.472 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.25472.67521.00702.07852.6120
C21.25471.77491.86501.08592.3287
S32.67521.77493.54272.40041.3364
H41.00701.86503.54272.23433.6145
H52.07851.08592.40042.23433.2902
H62.61202.32871.33643.61453.2902

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 123.094 N1 C2 H5 125.097
C2 N1 H4 110.617 C2 S3 H6 95.889
S3 C2 H5 111.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.411      
2 C -0.087      
3 S -0.137      
4 H 0.305      
5 H 0.179      
6 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.798 1.471 0.000 1.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.823 -1.923 0.000
y -1.923 -18.461 0.000
z 0.000 0.000 -27.292
Traceless
 xyz
x -4.946 -1.923 0.000
y -1.923 9.096 0.000
z 0.000 0.000 -4.150
Polar
3z2-r2-8.300
x2-y2-9.362
xy-1.923
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.858 1.155 0.000
y 1.155 6.196 0.000
z 0.000 0.000 3.127


<r2> (average value of r2) Å2
<r2> 49.345
(<r2>)1/2 7.025