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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-34.069401
Energy at 298.15K 
HF Energy-33.511617
Nuclear repulsion energy63.184605
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/CEP-121G*
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 3715 3539 34.02      
2 A 3571 3402 61.16      
3 A 3216 3064 3.60      
4 A 3153 3004 15.19      
5 A 3066 2921 17.98      
6 A 1680 1601 151.50      
7 A 1523 1451 10.03      
8 A 1517 1445 12.28      
9 A 1438 1370 21.64      
10 A 1405 1338 306.71      
11 A 1347 1283 21.26      
12 A 1056 1006 6.14      
13 A 1030 981 29.59      
14 A 1016 968 1.67      
15 A 749 714 1.92      
16 A 606 577 23.47      
17 A 486 463 19.16      
18 A 427 407 1.82      
19 A 376 359 4.87      
20 A 326 310 270.74      
21 A 74 71 2.53      

Unscaled Zero Point Vibrational Energy (zpe) 15887.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 15137.6 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/CEP-121G*
ABC
0.31968 0.16307 0.11031

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.273 0.056 -0.009
S2 -1.374 -0.116 0.003
C3 1.247 -1.114 0.000
N4 0.887 1.280 -0.042
H5 0.746 -2.013 -0.358
H6 2.121 -0.905 -0.627
H7 1.587 -1.291 1.027
H8 1.880 1.360 0.148
H9 0.311 2.101 0.104

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.65611.52211.36942.15112.17232.14852.07532.0487
S21.65612.80392.65772.86773.63763.34623.57612.7864
C31.52212.80392.42101.08941.09591.09682.55823.3505
N41.36942.65772.42103.31122.57652.87071.01401.0144
H52.15112.86771.08943.31121.78601.77423.59454.1633
H62.17233.63761.09592.57651.78601.78042.40613.5849
H72.14853.34621.09682.87071.77421.78042.80823.7403
H82.07533.57612.55821.01403.59452.40612.80821.7365
H92.04872.78643.35051.01444.16333.58493.74031.7365

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.809 C1 C3 H6 111.105
C1 C3 H7 109.172 C1 N4 H8 120.355
C1 N4 H9 117.732 S2 C1 C3 123.771
S2 C1 N4 122.623 C3 C1 N4 113.604
H5 C3 H6 109.631 H5 C3 H7 108.494
H6 C3 H7 108.578 H8 N4 H9 117.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability