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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-492.528197
Energy at 298.15K-492.531842
HF Energy-492.528197
Nuclear repulsion energy93.374628
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**
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 3330 0.05 212.83 0.32 0.48
2 A' 2985 2945 34.34 118.85 0.43 0.60
3 A' 2616 2580 0.48 105.36 0.31 0.48
4 A' 1622 1600 155.76 11.84 0.21 0.35
5 A' 1342 1324 18.73 6.20 0.21 0.35
6 A' 1165 1149 32.66 16.34 0.69 0.82
7 A' 896 883 49.17 6.69 0.55 0.71
8 A' 687 678 71.45 7.18 0.31 0.47
9 A' 414 408 14.63 3.42 0.46 0.63
10 A" 1008 994 1.98 0.77 0.75 0.86
11 A" 710 700 72.04 5.58 0.75 0.86
12 A" 406 400 40.28 1.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8613.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8495.3 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**
ABC
1.87939 0.19945 0.18031

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.252 1.048 0.000
C2 0.000 0.779 0.000
S3 -0.620 -0.883 0.000
H4 1.382 2.071 0.000
H5 -0.838 1.501 0.000
H6 0.615 -1.453 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28032.68951.03182.13862.5808
C21.28031.77451.89191.10612.3155
S32.68951.77453.56912.39451.3599
H41.03181.89193.56912.29223.6070
H52.13861.10612.39452.29223.2922
H62.58082.31551.35993.60703.2922

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 122.558 N1 C2 H5 127.154
C2 N1 H4 109.355 C2 S3 H6 94.320
S3 C2 H5 110.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.448      
2 C -0.074      
3 S 0.029      
4 H 0.244      
5 H 0.141      
6 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.549 1.128 0.000 1.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.595 -1.458 0.000
y -1.458 -19.532 0.000
z 0.000 0.000 -27.310
Traceless
 xyz
x -4.174 -1.458 0.000
y -1.458 7.921 0.000
z 0.000 0.000 -3.747
Polar
3z2-r2-7.494
x2-y2-8.063
xy-1.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.837 1.330 0.000
y 1.330 6.726 0.000
z 0.000 0.000 2.630


<r2> (average value of r2) Å2
<r2> 68.078
(<r2>)1/2 8.251