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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-492.760850
Energy at 298.15K-492.764473
HF Energy-492.760850
Nuclear repulsion energy92.033081
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/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' 3417 3288 1.16 260.31 0.32 0.48
2 A' 3107 2989 29.65 126.54 0.46 0.63
3 A' 2515 2420 10.86 127.48 0.36 0.53
4 A' 1669 1605 170.05 6.81 0.22 0.36
5 A' 1381 1328 19.91 10.15 0.19 0.32
6 A' 1149 1106 66.62 18.91 0.75 0.86
7 A' 899 864 61.19 8.41 0.65 0.79
8 A' 648 623 98.25 10.19 0.30 0.46
9 A' 419 403 10.21 6.29 0.46 0.63
10 A" 1064 1024 2.40 0.26 0.75 0.86
11 A" 737 709 108.80 4.43 0.75 0.86
12 A" 376 362 58.68 3.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8690.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 8359.8 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/6-31G
ABC
1.84697 0.19233 0.17419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.246 1.076 0.000
C2 0.000 0.814 0.000
S3 -0.624 -0.907 0.000
H4 1.478 2.077 0.000
H5 -0.838 1.515 0.000
H6 0.624 -1.491 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27312.72591.02752.12952.6410
C21.27311.83081.94411.09282.3877
S32.72591.83083.65022.43211.3781
H41.02751.94413.65022.38283.6685
H52.12951.09282.43212.38283.3429
H62.64102.38771.37813.66853.3429

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 121.820 N1 C2 H5 128.176
C2 N1 H4 114.931 C2 S3 H6 95.118
S3 C2 H5 110.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.442      
2 C -0.201      
3 S 0.106      
4 H 0.277      
5 H 0.174      
6 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.251 1.730 0.000 1.749
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.464 -1.387 0.000
y -1.387 -19.212 0.000
z 0.000 0.000 -27.644
Traceless
 xyz
x -5.036 -1.387 0.000
y -1.387 8.842 0.000
z 0.000 0.000 -3.805
Polar
3z2-r2-7.611
x2-y2-9.252
xy-1.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.804 1.320 0.000
y 1.320 6.577 0.000
z 0.000 0.000 2.166


<r2> (average value of r2) Å2
<r2> 70.137
(<r2>)1/2 8.375