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All results from a given calculation for CH3S (thiomethoxy)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-437.363238
Energy at 298.15K-437.365942
HF Energy-437.101152
Nuclear repulsion energy48.205193
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 QCISD/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 3164 3013 3.03      
2 A 3147 2996 13.74      
3 A 3066 2920 10.48      
4 A 1527 1454 12.53      
5 A 1456 1386 9.84      
6 A 1415 1348 4.58      
7 A 925 881 1.78      
8 A 745 710 0.41      
9 A 578 550 56.57      

Unscaled Zero Point Vibrational Energy (zpe) 8011.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 7628.9 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 QCISD/6-31G*
ABC
5.27108 0.44148 0.44087

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.112 0.000 -0.007
S2 -0.696 0.000 -0.002
H3 1.441 -0.001 1.041
H4 1.511 -0.898 -0.488
H5 1.511 0.898 -0.487

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5
C11.80811.09851.09411.0941
S21.80812.37792.43202.4321
H31.09852.37791.77451.7746
H41.09412.43201.77451.7961
H51.09412.43211.77461.7961

picture of thiomethoxy state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 H3 107.261 S2 C1 H4 111.476
S2 C1 H5 111.481 H3 C1 H4 108.059
H3 C1 H5 108.063 H4 C1 H5 110.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability