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

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-492.108520
Energy at 298.15K-492.112208
HF Energy-491.567342
Nuclear repulsion energy94.040664
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 CCSD/6-31G(2df,p)
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' 3526 3334 2.30      
2 A' 3131 2960 21.54      
3 A' 2745 2596 1.38      
4 A' 1695 1603 117.80      
5 A' 1408 1332 24.43      
6 A' 1223 1157 31.00      
7 A' 945 893 45.71      
8 A' 725 686 61.42      
9 A' 426 403 19.42      
10 A" 1089 1030 4.96      
11 A" 744 704 64.48      
12 A" 366 346 34.02      

Unscaled Zero Point Vibrational Energy (zpe) 9012.3 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 8521.1 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 CCSD/6-31G(2df,p)
ABC
1.91906 0.20166 0.18248

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 1.044 0.000
C2 0.000 0.776 0.000
S3 -0.615 -0.880 0.000
H4 1.373 2.055 0.000
H5 -0.812 1.507 0.000
H6 0.601 -1.445 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26932.67321.01932.10392.5705
C21.26931.76621.87631.09242.3009
S32.67321.76623.54472.39451.3410
H41.01931.87633.54472.25243.5844
H52.10391.09242.39452.25243.2725
H62.57052.30091.34103.58443.2725

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 122.598 N1 C2 H5 125.798
C2 N1 H4 109.662 C2 S3 H6 94.555
S3 C2 H5 111.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability