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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-492.776149
Energy at 298.15K-492.779783
HF Energy-492.776149
Nuclear repulsion energy92.020277
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 B3LYP/SDD
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' 3444 3311 4.24 211.83 0.31 0.47
2 A' 3105 2985 31.97 104.53 0.40 0.57
3 A' 2497 2401 5.03 110.14 0.31 0.47
4 A' 1632 1569 172.75 12.56 0.14 0.25
5 A' 1370 1317 20.14 9.84 0.16 0.28
6 A' 1150 1105 60.56 19.63 0.71 0.83
7 A' 916 881 55.07 8.10 0.64 0.78
8 A' 656 631 95.89 10.40 0.30 0.46
9 A' 421 405 11.71 6.67 0.45 0.62
10 A" 1064 1023 0.06 0.49 0.75 0.86
11 A" 738 709 129.59 1.68 0.75 0.86
12 A" 382 367 59.17 9.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8687.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 8351.5 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 B3LYP/SDD
ABC
1.84996 0.19237 0.17425

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.258 1.072 0.000
C2 0.000 0.803 0.000
S3 -0.629 -0.900 0.000
H4 1.487 2.077 0.000
H5 -0.833 1.515 0.000
H6 0.603 -1.507 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28702.73031.03032.13762.6612
C21.28701.81581.95791.09592.3874
S32.73031.81583.65262.42431.3737
H41.03031.95793.65262.38643.6912
H52.13761.09592.42432.38643.3461
H62.66122.38741.37373.69123.3461

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 122.356 N1 C2 H5 127.369
C2 N1 H4 114.875 C2 S3 H6 95.930
S3 C2 H5 110.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.250      
2 C -0.403      
3 S 0.039      
4 H 0.247      
5 H 0.243      
6 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.485 1.547 0.000 1.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.726 -1.434 0.000
y -1.434 -19.131 0.000
z 0.000 0.000 -27.762
Traceless
 xyz
x -5.280 -1.434 0.000
y -1.434 9.113 0.000
z 0.000 0.000 -3.833
Polar
3z2-r2-7.666
x2-y2-9.595
xy-1.434
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.722 1.333 0.000
y 1.333 6.515 0.000
z 0.000 0.000 1.829


<r2> (average value of r2) Å2
<r2> 70.200
(<r2>)1/2 8.379