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All results from a given calculation for NH2CSNH2 (Thiourea)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-37.675625
Energy at 298.15K-37.681576
HF Energy-37.121848
Nuclear repulsion energy63.884039
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-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 3710 3523 27.65      
2 A 3578 3397 15.78      
3 A 1691 1605 76.99      
4 A 1448 1375 331.05      
5 A 1093 1037 72.59      
6 A 789 749 0.82      
7 A 630 598 224.14      
8 A 458 435 10.57      
9 A 386 366 146.05      
10 B 3710 3523 47.59      
11 B 3574 3393 67.92      
12 B 1670 1586 193.35      
13 B 1423 1351 124.93      
14 B 1097 1041 19.46      
15 B 661 627 264.43      
16 B 588 558 144.59      
17 B 434 412 152.89      
18 B 397 377 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 13668.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12976.5 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-31G*
ABC
0.34469 0.16598 0.11276

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.302
S2 0.000 0.000 1.366
N3 -0.120 1.156 -1.073
N4 0.120 -1.156 -1.073
H5 0.000 2.013 -0.536
H6 0.368 1.150 -1.971
H7 0.000 -2.013 -0.536
H8 -0.368 -1.150 -1.971

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.66771.39451.39452.02642.05992.02642.0599
S21.66772.70162.70162.76883.54822.76883.5482
N31.39452.70162.32351.01921.02163.21602.4866
N41.39452.70162.32353.21602.48661.01921.0216
H52.02642.76881.01923.21601.71434.02573.4930
H62.05993.54821.02162.48661.71433.49302.4157
H72.02642.76883.21601.01924.02573.49301.7143
H82.05993.54822.48661.02163.49302.41571.7143

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 113.260 C1 N3 H6 116.126
C1 N4 H7 113.260 C1 N4 H8 116.126
S2 C1 N3 123.585 S2 C1 N4 123.585
N3 C1 N4 112.830 H5 N3 H6 114.282
H7 N4 H8 114.282
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability