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

using model chemistry: BLYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-490.386575
Energy at 298.15K-490.390206
HF Energy-490.386575
Nuclear repulsion energy92.694270
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/3-21G*
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' 3156 3135 9.19 253.77 0.31 0.47
2 A' 2940 2921 45.04 120.58 0.51 0.68
3 A' 2575 2558 1.97 93.55 0.33 0.49
4 A' 1566 1555 100.25 6.41 0.23 0.37
5 A' 1334 1325 24.33 10.11 0.22 0.36
6 A' 1164 1157 71.12 18.68 0.75 0.86
7 A' 917 911 51.81 6.31 0.61 0.76
8 A' 634 630 88.52 8.60 0.32 0.49
9 A' 412 409 8.74 4.16 0.48 0.65
10 A" 1028 1022 0.77 1.06 0.75 0.86
11 A" 716 712 83.79 6.41 0.75 0.86
12 A" 412 409 38.23 3.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8426.3 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8371.6 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/3-21G*
ABC
1.84080 0.19690 0.17787

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.264 1.041 0.000
C2 0.000 0.793 0.000
S3 -0.630 -0.886 0.000
H4 1.467 2.069 0.000
H5 -0.841 1.507 0.000
H6 0.612 -1.444 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28772.70221.04822.15602.5694
C21.28771.79371.94481.10362.3194
S32.70221.79373.62432.40291.3616
H41.04821.94483.62432.37623.6161
H52.15601.10362.40292.37623.2899
H62.56942.31941.36163.61613.2899

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 121.677 N1 C2 H5 128.563
C2 N1 H4 112.320 C2 S3 H6 93.617
S3 C2 H5 109.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.490      
2 C -0.116      
3 S 0.018      
4 H 0.251      
5 H 0.189      
6 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.379 1.335 0.000 1.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.502 -0.889 0.000
y -0.889 -19.527 0.000
z 0.000 0.000 -27.427
Traceless
 xyz
x -4.025 -0.889 0.000
y -0.889 7.938 0.000
z 0.000 0.000 -3.912
Polar
3z2-r2-7.825
x2-y2-7.976
xy-0.889
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.554 1.328 0.000
y 1.328 6.399 0.000
z 0.000 0.000 2.055


<r2> (average value of r2) Å2
<r2> 68.839
(<r2>)1/2 8.297