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All results from a given calculation for NH2CSNH2 (Thiourea)

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-37.720542
Energy at 298.15K-37.726563
HF Energy-37.130250
Nuclear repulsion energy64.148599
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/CEP-121G*
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 3692 3517 20.58      
2 A 3560 3392 13.36      
3 A 1703 1623 66.34      
4 A 1447 1378 312.95      
5 A 1097 1045 80.50      
6 A 786 749 0.82      
7 A 659 628 267.83      
8 A 464 442 10.16      
9 A 398 380 129.65      
10 B 3692 3517 44.00      
11 B 3556 3388 52.90      
12 B 1680 1601 187.72      
13 B 1412 1346 102.28      
14 B 1108 1056 22.53      
15 B 672 640 286.85      
16 B 585 558 109.91      
17 B 445 424 116.01      
18 B 401 382 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 13678.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 13032.6 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/CEP-121G*
ABC
0.34830 0.16684 0.11358

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.300
S2 0.000 0.000 1.362
N3 -0.119 1.149 -1.072
N4 0.119 -1.149 -1.072
H5 0.000 2.002 -0.536
H6 0.385 1.141 -1.955
H7 0.000 -2.002 -0.536
H8 -0.385 -1.141 -1.955

Atom - Atom Distances (Å)
  C1 S2 N3 N4 H5 H6 H7 H8
C11.66201.38961.38962.01622.04692.01622.0469
S21.66202.69422.69422.75893.52892.75893.5289
N31.38962.69422.31101.01441.01693.19912.4693
N41.38962.69422.31103.19912.46931.01441.0169
H52.01622.75891.01443.19911.70394.00473.4705
H62.04693.52891.01692.46931.70393.47052.4088
H72.01622.75893.19911.01444.00473.47051.7039
H82.04693.52892.46931.01693.47052.40881.7039

picture of Thiourea state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 113.081 C1 N3 H6 115.679
C1 N4 H7 113.081 C1 N4 H8 115.679
S2 C1 N3 123.740 S2 C1 N4 123.740
N3 C1 N4 112.520 H5 N3 H6 114.031
H7 N4 H8 114.031
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability