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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-491.605851
Energy at 298.15K-491.609647
HF Energy-491.605851
Nuclear repulsion energy94.544532
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/TZVP
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' 3722 3381 9.99 185.34 0.32 0.49
2 A' 3235 2940 26.87 103.44 0.39 0.56
3 A' 2862 2600 0.61 113.82 0.29 0.45
4 A' 1838 1670 209.39 32.39 0.23 0.38
5 A' 1518 1380 33.87 5.75 0.08 0.14
6 A' 1296 1178 24.26 11.41 0.68 0.81
7 A' 1012 920 57.22 4.20 0.65 0.78
8 A' 756 687 76.37 4.29 0.17 0.29
9 A' 457 416 21.11 5.22 0.46 0.63
10 A" 1193 1084 6.62 0.51 0.75 0.86
11 A" 802 729 86.22 2.13 0.75 0.86
12 A" 370 336 49.31 2.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9530.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8659.1 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/TZVP
ABC
1.98801 0.20199 0.18336

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.208 1.069 0.000
C2 0.000 0.777 0.000
S3 -0.599 -0.889 0.000
H4 1.349 2.062 0.000
H5 -0.812 1.494 0.000
H6 0.600 -1.472 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.24232.66461.00312.06382.6128
C21.24231.77121.86271.08312.3284
S32.66461.77123.53642.39311.3337
H41.00311.86273.53642.23403.6128
H52.06381.08312.39312.23403.2856
H62.61282.32841.33373.61283.2856

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 123.351 N1 C2 H5 124.978
C2 N1 H4 111.666 C2 S3 H6 96.141
S3 C2 H5 111.671
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.319      
2 C 0.032      
3 S -0.082      
4 H 0.179      
5 H 0.098      
6 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.778 1.463 0.000 1.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.689 -1.920 0.000
y -1.920 -19.491 0.000
z 0.000 0.000 -27.968
Traceless
 xyz
x -4.959 -1.920 0.000
y -1.920 8.837 0.000
z 0.000 0.000 -3.878
Polar
3z2-r2-7.756
x2-y2-9.198
xy-1.920
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.906 1.163 0.000
y 1.163 6.241 0.000
z 0.000 0.000 3.055


<r2> (average value of r2) Å2
<r2> 67.580
(<r2>)1/2 8.221