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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-489.354853
Energy at 298.15K-489.358763
HF Energy-489.099089
Nuclear repulsion energy92.668617
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 MP2/3-21G
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' 3653 3487 48.88 90.84 0.65 0.79
2 A' 3517 3357 106.70 145.00 0.16 0.28
3 A' 3184 3039 17.38 101.04 0.38 0.55
4 A' 1731 1652 117.23 5.91 0.73 0.85
5 A' 1504 1436 137.91 1.18 0.23 0.38
6 A' 1342 1281 223.97 8.06 0.41 0.59
7 A' 1191 1137 19.61 17.03 0.43 0.60
8 A' 846 807 16.03 43.58 0.31 0.47
9 A' 438 418 2.31 7.57 0.62 0.76
10 A" 1007 961 41.45 1.45 0.75 0.86
11 A" 696 664 129.62 1.06 0.75 0.86
12 A" 544 519 192.76 0.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9825.8 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 9378.7 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 MP2/3-21G
ABC
2.03035 0.19286 0.17613

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.000
S2 -0.779 -0.845 0.000
N3 1.335 0.866 0.000
H4 -0.582 1.587 0.000
H5 1.958 0.062 0.000
H6 1.738 1.797 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.70091.34991.08812.04902.0727
S21.70092.71932.43952.88273.6485
N31.34992.71932.04821.01631.0143
H41.08812.43952.04822.96192.3294
H52.04902.88271.01632.96191.7482
H62.07273.64851.01432.32941.7482

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.312 C1 N3 H6 121.851
S2 C1 N3 125.696 S2 C1 H4 120.425
H5 N3 H6 118.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability