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All results from a given calculation for NH2CSNH2 (Thiourea)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-540.342563
Energy at 298.15K-540.348438
Nuclear repulsion energy156.187357
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 HF/STO-3G
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 4159 3396 3.29      
2 A 3953 3228 9.18      
3 A 1960 1601 13.36      
4 A 1701 1389 210.86      
5 A 1267 1034 46.64      
6 A 888 725 28.43      
7 A 780 637 233.40      
8 A 466 381 0.52      
9 A 415 339 108.19      
10 B 4157 3394 2.74      
11 B 3954 3229 13.51      
12 B 1939 1583 35.98      
13 B 1542 1259 93.31      
14 B 1276 1042 18.36      
15 B 803 655 337.19      
16 B 582 475 78.29      
17 B 427 348 4.80      
18 B 382 312 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 15324.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 12512.5 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 HF/STO-3G
ABC
0.34027 0.16940 0.11417

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.252
S2 0.000 0.000 1.346
N3 0.187 1.156 -1.074
N4 -0.187 -1.156 -1.074
H5 0.000 2.024 -0.560
H6 -0.377 1.129 -1.932
H7 0.000 -2.024 -0.560
H8 0.377 -1.129 -1.932

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.59811.43071.43072.04752.05922.04752.0592
S21.59812.68832.68832.78023.48782.78023.4878
N31.43072.68832.34271.02601.02763.22722.4490
N41.43072.68832.34273.22722.44901.02601.0276
H52.04752.78021.02603.22721.68134.04853.4600
H62.05923.48781.02762.44901.68133.46002.3812
H72.04752.78023.22721.02604.04853.46001.6813
H82.05923.48782.44901.02763.46002.38121.6813

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 111.850 C1 N3 H6 112.757
C1 N4 H7 111.850 C1 N4 H8 112.757
S2 C1 N3 125.046 S2 C1 N4 125.046
N3 C1 N4 109.907 H5 N3 H6 109.913
H7 N4 H8 109.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability