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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-26.848787
Energy at 298.15K-26.852586
HF Energy-26.848787
Nuclear repulsion energy36.289852
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 HF/CEP-121G*
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' 3941 3560 59.21 68.23 0.64 0.78
2 A' 3799 3432 92.49 115.05 0.16 0.27
3 A' 3313 2993 25.89 110.84 0.34 0.51
4 A' 1802 1628 209.31 4.83 0.75 0.86
5 A' 1578 1426 231.49 1.22 0.59 0.74
6 A' 1385 1251 285.55 4.95 0.19 0.32
7 A' 1224 1106 64.11 6.49 0.39 0.56
8 A' 917 829 56.05 14.04 0.16 0.28
9 A' 457 413 1.95 4.75 0.65 0.79
10 A" 1074 970 20.03 2.73 0.75 0.86
11 A" 669 605 11.00 0.75 0.75 0.86
12 A" 369 334 277.82 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10264.4 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 9272.8 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 HF/CEP-121G*
ABC
2.11479 0.20112 0.18365

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.643 0.000
S2 -0.770 -0.817 0.000
N3 1.320 0.837 0.000
H4 -0.563 1.567 0.000
H5 1.935 0.050 0.000
H6 1.713 1.752 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.65081.33441.08242.02332.0412
S21.65082.66582.39332.84083.5737
N31.33442.66582.02000.99790.9963
H41.08242.39332.02002.92222.2841
H52.02332.84080.99792.92221.7161
H62.04123.57370.99632.28411.7161

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.641 C1 N3 H6 121.609
S2 C1 N3 126.181 S2 C1 H4 120.827
H5 N3 H6 118.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.069      
2 S -0.422      
3 N -0.644      
4 H 0.210      
5 H 0.401      
6 H 0.385      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.517 3.789 0.000 5.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.002 1.132 0.000
y 1.132 -21.505 0.000
z 0.000 0.000 -27.290
Traceless
 xyz
x 2.396 1.132 0.000
y 1.132 3.141 0.000
z 0.000 0.000 -5.537
Polar
3z2-r2-11.073
x2-y2-0.497
xy1.132
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.048 2.070 0.000
y 2.070 6.791 0.000
z 0.000 0.000 2.988


<r2> (average value of r2) Å2
<r2> 48.698
(<r2>)1/2 6.978