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All results from a given calculation for NH2CSNH2 (Thiourea)

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-544.233159
Energy at 298.15K-544.239057
HF Energy-543.852680
Nuclear repulsion energy154.060607
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 QCISD/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 A 3659 3546 21.68      
2 A 3526 3417 28.76      
3 A 1738 1685 69.22      
4 A 1426 1383 264.68      
5 A 1078 1044 73.46      
6 A 685 664 22.19      
7 A 560 543 0.00      
8 A 458 444 3.81      
9 A 324 314 0.00      
10 B 3657 3544 79.06      
11 B 3516 3408 79.69      
12 B 1702 1650 183.88      
13 B 1487 1441 189.06      
14 B 1081 1048 12.26      
15 B 677 656 208.71      
16 B 658 637 131.63      
17 B 484 469 400.84      
18 B 380 368 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 13547.1 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 13129.9 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 QCISD/3-21G
ABC
0.34653 0.15997 0.10945

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.360
S2 0.000 0.000 1.401
N3 -0.000 1.157 -1.070
N4 0.000 -1.157 -1.070
H5 0.000 2.029 -0.553
H6 0.000 1.188 -2.085
H7 0.000 -2.029 -0.553
H8 -0.000 -1.188 -2.085

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.76101.35761.35762.03782.09422.03782.0942
S21.76102.72832.72832.81693.68252.81693.6825
N31.35762.72832.31451.01291.01533.22752.5556
N41.35762.72832.31453.22752.55561.01291.0153
H52.03782.81691.01293.22751.74664.05733.5626
H62.09423.68251.01532.55561.74663.56262.3764
H72.03782.81693.22751.01294.05733.56261.7466
H82.09423.68252.55561.01533.56262.37641.7466

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 117.828 C1 N3 H6 123.269
C1 N4 H7 117.828 C1 N4 H8 123.269
S2 C1 N3 121.522 S2 C1 N4 121.522
N3 C1 N4 116.956 H5 N3 H6 118.903
H7 N4 H8 118.903
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability