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: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-547.952352
Energy at 298.15K-547.958120
Nuclear repulsion energy156.719637
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 PBEPBE/cc-pVTZ
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 3602 3577 11.59      
2 A 3472 3448 2.67      
3 A 1592 1581 61.28      
4 A 1375 1366 227.88      
5 A 1043 1036 45.78      
6 A 755 750 6.49      
7 A 511 507 59.41      
8 A 440 437 7.67      
9 A 365 363 104.74      
10 B 3601 3577 55.45      
11 B 3464 3440 24.46      
12 B 1569 1558 201.28      
13 B 1395 1386 66.45      
14 B 1040 1033 18.48      
15 B 617 613 19.08      
16 B 572 568 100.84      
17 B 399 396 257.89      
18 B 385 382 3.03      

Unscaled Zero Point Vibrational Energy (zpe) 13098.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 13008.1 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 PBEPBE/cc-pVTZ
ABC
0.34920 0.16911 0.11440

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.316
S2 0.000 0.000 1.356
N3 0.000 1.154 -1.055
N4 0.000 -1.154 -1.055
H5 0.173 1.997 -0.520
H6 0.382 1.139 -1.997
H7 -0.173 -1.997 -0.520
H8 -0.382 -1.139 -1.997

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.67141.37011.37012.01432.06602.01432.0660
S21.67142.67242.67242.74463.56112.74463.5611
N31.37012.67242.30731.01321.01643.19992.5076
N41.37012.67242.30733.19992.50761.01321.0164
H52.01432.74461.01323.19991.72084.00793.5098
H62.06603.56111.01642.50761.72083.50982.4021
H72.01432.74463.19991.01324.00793.50981.7208
H82.06603.56112.50761.01643.50982.40211.7208

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 114.547 C1 N3 H6 119.183
C1 N4 H7 114.547 C1 N4 H8 119.183
S2 C1 N3 122.650 S2 C1 N4 122.650
N3 C1 N4 114.700 H5 N3 H6 115.954
H7 N4 H8 115.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 S -0.370      
3 N -0.190      
4 N -0.190      
5 H 0.164      
6 H 0.136      
7 H 0.164      
8 H 0.136      


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 -4.799 4.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.917 2.477 0.000
y 2.477 -25.948 0.000
z 0.000 0.000 -29.218
Traceless
 xyz
x -6.334 2.477 0.000
y 2.477 5.619 0.000
z 0.000 0.000 0.715
Polar
3z2-r21.429
x2-y2-7.969
xy2.477
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.287 0.231 0.000
y 0.231 7.574 0.000
z 0.000 0.000 10.331


<r2> (average value of r2) Å2
<r2> 102.195
(<r2>)1/2 10.109