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All results from a given calculation for NH2CSNH2 (Thiourea)

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-543.855042
Energy at 298.15K-543.861409
Nuclear repulsion energy156.183339
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3885 3518 60.48      
2 A1 3763 3408 32.36      
3 A1 1849 1674 89.63      
4 A1 1533 1388 269.15      
5 A1 1161 1051 56.28      
6 A1 715 648 23.52      
7 A1 487 441 5.78      
8 A2 710 643 0.00      
9 A2 477 432 0.00      
10 B1 840 761 623.15      
11 B1 710 643 70.85      
12 B1 578 523 188.94      
13 B2 3883 3516 98.79      
14 B2 3752 3398 114.36      
15 B2 1810 1639 231.45      
16 B2 1584 1434 239.62      
17 B2 1168 1058 10.47      
18 B2 398 361 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 14650.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 13267.2 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/3-21G
ABC
0.35736 0.16381 0.11232

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.364
S2 0.000 0.000 1.385
N3 0.000 1.139 -1.055
N4 0.000 -1.139 -1.055
H5 0.000 2.000 -0.552
H6 0.000 1.171 -2.053
H7 0.000 -2.000 -0.552
H8 0.000 -1.171 -2.053

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.74911.33271.33272.00892.05562.00892.0556
S21.74912.69352.69352.78473.63252.78473.6325
N31.33272.69352.27840.99700.99833.17922.5166
N41.33272.69352.27843.17922.51660.99700.9983
H52.00892.78470.99703.17921.71454.00003.5084
H62.05563.63250.99832.51661.71453.50842.3423
H72.00892.78473.17920.99704.00003.50841.7145
H82.05563.63252.51660.99833.50842.34231.7145

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.436 C1 N3 H6 123.097
C1 N4 H7 118.436 C1 N4 H8 123.097
S2 C1 N3 121.262 S2 C1 N4 121.262
N3 C1 N4 117.477 H5 N3 H6 118.467
H7 N4 H8 118.467
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.421 0.562   0.407
2 S -0.139 -0.585   -0.549
3 N -0.895 -0.714   -0.636
4 N -0.895 -0.714   -0.636
5 H 0.400 0.345   0.337
6 H 0.354 0.382   0.370
7 H 0.400 0.345   0.337
8 H 0.354 0.382   0.370


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -6.858 6.858
CHELPG 0.000 0.000 -6.987 6.987
AIM        
ESP 0.000 0.000 -6.998 6.998


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.290 0.000 0.000
y 0.000 -24.606 0.000
z 0.000 0.000 -29.263
Traceless
 xyz
x -8.355 0.000 0.000
y 0.000 7.670 0.000
z 0.000 0.000 0.685
Polar
3z2-r21.370
x2-y2-10.683
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.725 0.000 0.000
y 0.000 4.632 0.000
z 0.000 0.000 7.465


<r2> (average value of r2) Å2
<r2> 103.609
(<r2>)1/2 10.179