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

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-492.536252
Energy at 298.15K-492.539887
HF Energy-492.536252
Nuclear repulsion energy93.583579
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 PBEPBEultrafine/6-31G(2df,p)
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' 3376 3341 0.70 200.01 0.31 0.48
2 A' 2973 2943 32.07 110.48 0.42 0.59
3 A' 2609 2582 0.65 93.73 0.27 0.43
4 A' 1615 1599 152.63 13.36 0.24 0.39
5 A' 1325 1311 20.50 4.83 0.17 0.28
6 A' 1155 1143 32.84 14.26 0.64 0.78
7 A' 886 877 46.02 5.35 0.39 0.56
8 A' 683 676 65.93 7.33 0.21 0.35
9 A' 406 402 15.49 2.99 0.42 0.59
10 A" 1010 1000 2.98 0.84 0.75 0.86
11 A" 708 701 61.09 4.70 0.75 0.86
12 A" 404 399 31.32 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8575.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 8486.9 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 PBEPBEultrafine/6-31G(2df,p)
ABC
1.89716 0.20013 0.18103

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.248 1.050 0.000
C2 0.000 0.774 0.000
S3 -0.618 -0.882 0.000
H4 1.375 2.072 0.000
H5 -0.840 1.493 0.000
H6 0.615 -1.453 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27802.68571.03022.13432.5818
C21.27801.76771.89111.10552.3108
S32.68571.76773.56372.38541.3588
H41.03021.89113.56372.28963.6064
H52.13431.10552.38542.28963.2859
H62.58182.31081.35883.60643.2859

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 122.914 N1 C2 H5 126.985
C2 N1 H4 109.559 C2 S3 H6 94.401
S3 C2 H5 110.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.391      
2 C 0.013      
3 S -0.187      
4 H 0.238      
5 H 0.130      
6 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.604 1.024 0.000 1.189
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.283 -1.455 0.000
y -1.455 -19.764 0.000
z 0.000 0.000 -27.155
Traceless
 xyz
x -3.824 -1.455 0.000
y -1.455 7.456 0.000
z 0.000 0.000 -3.632
Polar
3z2-r2-7.264
x2-y2-7.520
xy-1.455
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.011 1.356 0.000
y 1.356 7.008 0.000
z 0.000 0.000 3.321


<r2> (average value of r2) Å2
<r2> 67.826
(<r2>)1/2 8.236