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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-492.735137
Energy at 298.15K-492.738803
HF Energy-492.735137
Nuclear repulsion energy92.602663
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 mPW1PW91/6-31G
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' 3477 3291 0.95 239.26 0.32 0.48
2 A' 3146 2978 25.35 122.88 0.44 0.61
3 A' 2567 2430 7.49 128.21 0.36 0.53
4 A' 1696 1606 168.22 8.16 0.22 0.37
5 A' 1394 1319 20.24 10.38 0.19 0.32
6 A' 1161 1099 62.28 17.53 0.75 0.85
7 A' 909 860 64.60 7.92 0.67 0.80
8 A' 675 639 95.35 8.93 0.30 0.47
9 A' 427 404 13.70 5.65 0.46 0.63
10 A" 1082 1024 2.00 0.11 0.75 0.86
11 A" 750 710 118.37 3.88 0.75 0.86
12 A" 383 363 64.10 3.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8833.5 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 8361.8 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 mPW1PW91/6-31G
ABC
1.85797 0.19527 0.17670

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.244 1.061 0.000
C2 0.000 0.806 0.000
S3 -0.624 -0.897 0.000
H4 1.482 2.057 0.000
H5 -0.830 1.514 0.000
H6 0.618 -1.480 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27042.70651.02382.12302.6171
C21.27041.81371.93921.09082.3679
S32.70651.81373.62772.42001.3718
H41.02381.93923.62772.37423.6408
H52.12301.09082.42002.37423.3256
H62.61712.36791.37183.64083.3256

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 121.711 N1 C2 H5 127.923
C2 N1 H4 114.985 C2 S3 H6 95.020
S3 C2 H5 110.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.473      
2 C -0.247      
3 S 0.114      
4 H 0.299      
5 H 0.205      
6 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.243 1.758 0.000 1.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.429 -1.392 0.000
y -1.392 -18.962 0.000
z 0.000 0.000 -27.665
Traceless
 xyz
x -5.116 -1.392 0.000
y -1.392 9.085 0.000
z 0.000 0.000 -3.970
Polar
3z2-r2-7.939
x2-y2-9.468
xy-1.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.766 1.287 0.000
y 1.287 6.401 0.000
z 0.000 0.000 2.186


<r2> (average value of r2) Å2
<r2> 69.329
(<r2>)1/2 8.326