return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CSNH2 (Thiourea)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-547.309669
Energy at 298.15K-547.315710
HF Energy-546.684847
Nuclear repulsion energy157.460417
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 MP2/6-311G**
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 3731 3546 24.10      
2 A 3605 3426 20.69      
3 A 1667 1584 84.70      
4 A 1447 1375 338.64      
5 A 1098 1044 84.15      
6 A 800 760 2.91      
7 A 617 587 221.00      
8 A 471 448 5.92      
9 A 397 377 129.49      
10 B 3731 3546 51.79      
11 B 3600 3421 64.35      
12 B 1646 1564 180.01      
13 B 1436 1364 94.66      
14 B 1100 1046 15.36      
15 B 662 629 160.01      
16 B 595 565 156.80      
17 B 450 428 154.68      
18 B 411 390 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 13732.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 13048.7 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 MP2/6-311G**
ABC
0.35524 0.16960 0.11548

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.299
S2 0.000 0.000 1.352
N3 0.000 1.144 -1.060
N4 0.000 -1.144 -1.060
H5 0.199 1.983 -0.538
H6 0.460 1.087 -1.958
H7 -0.199 -1.983 -0.538
H8 -0.460 -1.087 -1.958

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.65081.37381.37382.00722.03632.00722.0363
S21.65082.66932.66932.74653.51422.74653.5142
N31.37382.66932.28761.00821.01063.17632.4486
N41.37382.66932.28763.17632.44861.00821.0106
H52.00722.74651.00823.17631.69923.98593.4464
H62.03633.51421.01062.44861.69923.44642.3610
H72.00722.74653.17631.00823.98593.44641.6992
H82.03633.51422.44861.01063.44642.36101.6992

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 113.965 C1 N3 H6 116.466
C1 N4 H7 113.965 C1 N4 H8 116.466
S2 C1 N3 123.637 S2 C1 N4 123.637
N3 C1 N4 112.727 H5 N3 H6 114.631
H7 N4 H8 114.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability