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

using model chemistry: PBE1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-492.570734
Energy at 298.15K-492.574449
HF Energy-492.570734
Nuclear repulsion energy94.230037
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 PBE1PBE/6-31+G**
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' 3532 3374 6.47 178.03 0.33 0.50
2 A' 3096 2957 24.95 126.01 0.40 0.58
3 A' 2730 2608 0.51 107.15 0.26 0.41
4 A' 1694 1618 203.28 24.27 0.21 0.35
5 A' 1389 1327 17.18 3.63 0.10 0.18
6 A' 1196 1143 23.28 14.12 0.60 0.75
7 A' 936 894 59.46 5.72 0.37 0.54
8 A' 730 697 78.24 4.60 0.13 0.24
9 A' 431 412 20.71 4.17 0.37 0.54
10 A" 1058 1011 1.83 0.67 0.75 0.86
11 A" 739 706 95.46 1.81 0.75 0.86
12 A" 400 382 41.44 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8965.2 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 8564.5 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 PBE1PBE/6-31+G**
ABC
1.93109 0.20262 0.18338

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.239 1.043 0.000
C2 0.000 0.768 0.000
S3 -0.615 -0.876 0.000
H4 1.382 2.053 0.000
H5 -0.817 1.500 0.000
H6 0.604 -1.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26882.66801.02002.10612.5700
C21.26881.75561.88671.09682.2968
S32.66801.75563.54482.38461.3463
H41.02001.88673.54482.26753.5857
H52.10611.09682.38462.26753.2723
H62.57002.29681.34633.58573.2723

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 122.999 N1 C2 H5 125.666
C2 N1 H4 110.567 C2 S3 H6 94.616
S3 C2 H5 111.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.384      
2 C -0.239      
3 S 0.061      
4 H 0.272      
5 H 0.181      
6 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.786 1.230 0.000 1.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.630 -1.588 0.000
y -1.588 -19.500 0.000
z 0.000 0.000 -27.979
Traceless
 xyz
x -4.890 -1.588 0.000
y -1.588 8.804 0.000
z 0.000 0.000 -3.914
Polar
3z2-r2-7.828
x2-y2-9.130
xy-1.588
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.415 1.326 0.000
y 1.326 6.879 0.000
z 0.000 0.000 3.864


<r2> (average value of r2) Å2
<r2> 67.573
(<r2>)1/2 8.220