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All results from a given calculation for CH3S (thiomethoxy)

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 C3V 2A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-435.231705
Energy at 298.15K-435.234418
HF Energy-435.039441
Nuclear repulsion energy48.062899
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 3164 3010 0.31      
2 A 3154 3000 10.46      
3 A 3076 2927 5.38      
4 A 1583 1506 14.49      
5 A 1505 1432 15.54      
6 A 1455 1384 3.24      
7 A 958 911 2.56      
8 A 717 682 0.41      
9 A 584 555 77.05      

Unscaled Zero Point Vibrational Energy (zpe) 8097.8 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 7703.4 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
5.26901 0.43801 0.43749

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.118 0.000 -0.006
S2 -0.699 0.000 -0.001
H3 1.446 -0.001 1.041
H4 1.511 -0.897 -0.491
H5 1.511 0.898 -0.489

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5
C11.81711.09781.09201.0920
S21.81712.38502.43392.4340
H31.09782.38501.77581.7758
H41.09202.43391.77581.7944
H51.09202.43401.77581.7944

picture of thiomethoxy state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 H3 107.222 S2 C1 H4 111.114
S2 C1 H5 111.119 H3 C1 H4 108.376
H3 C1 H5 108.380 H4 C1 H5 110.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability