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

using model chemistry: MP2/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-492.216352
Energy at 298.15K-492.220061
HF Energy-491.633855
Nuclear repulsion energy94.486671
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/cc-pVQZ
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' 3504 3323 8.34 175.20 0.28 0.43
2 A' 3111 2950 19.34 113.50 0.33 0.50
3 A' 2752 2610 6.05 94.28 0.19 0.33
4 A' 1625 1542 129.87 15.81 0.21 0.35
5 A' 1377 1306 18.79 5.62 0.07 0.12
6 A' 1199 1138 27.05 11.55 0.44 0.61
7 A' 930 882 54.78 3.60 0.28 0.43
8 A' 732 694 66.90 3.25 0.08 0.16
9 A' 427 405 19.78 2.65 0.33 0.49
10 A" 1063 1008 2.19 0.43 0.75 0.86
11 A" 739 701 72.97 1.63 0.75 0.86
12 A" 390 370 30.25 0.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8925.4 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 8464.8 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 MP2/cc-pVQZ
ABC
1.93007 0.20402 0.18452

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.245 1.030 0.000
C2 0.000 0.766 0.000
S3 -0.618 -0.870 0.000
H4 1.381 2.038 0.000
H5 -0.802 1.504 0.000
H6 0.598 -1.427 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27262.66091.01762.10082.5412
C21.27261.74861.87771.08982.2731
S32.66091.74863.52892.38081.3375
H41.01761.87773.52892.24683.5532
H52.10081.08982.38082.24683.2482
H62.54122.27311.33753.55323.2482

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 122.685 N1 C2 H5 125.384
C2 N1 H4 109.644 C2 S3 H6 93.931
S3 C2 H5 111.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability