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All results from a given calculation for C4H5NS (4-Methylthiazole)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-603.905597
Energy at 298.15K-603.911621
HF Energy-603.306374
Nuclear repulsion energy270.364012
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 MP2/3-21G*
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 3285 3125 2.53      
2 A 3276 3116 1.27      
3 A 3167 3013 10.38      
4 A 3159 3005 10.37      
5 A 3090 2939 13.62      
6 A 1603 1525 8.16      
7 A 1580 1503 6.03      
8 A 1515 1441 6.56      
9 A 1491 1419 4.29      
10 A 1360 1294 14.30      
11 A 1294 1231 22.38      
12 A 1276 1214 11.43      
13 A 1187 1129 2.83      
14 A 1134 1079 4.79      
15 A 1055 1003 12.09      
16 A 895 851 29.29      
17 A 891 847 19.26      
18 A 832 791 56.73      
19 A 825 785 11.06      
20 A 764 727 8.08      
21 A 667 635 5.88      
22 A 658 626 0.07      
23 A 561 533 4.38      
24 A 494 470 1.74      
25 A 330 314 2.57      
26 A 231 220 5.13      
27 A 95 90 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 18357.2 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 17463.2 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 MP2/3-21G*
ABC
0.23723 0.08221 0.06176

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.603 2.018 0.000
C2 -0.967 -0.040 -0.000
C3 0.937 1.168 0.000
H4 -2.893 0.306 0.889
H5 -2.757 -1.231 -0.003
H6 -2.894 0.311 -0.886
C7 -2.471 -0.175 0.000
S8 1.576 -0.462 0.000
N9 -0.390 1.256 -0.000
H10 -0.250 -2.128 -0.000
C11 -0.047 -1.066 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.29271.08024.89265.43784.89074.62642.48002.13324.54123.4980
C23.29272.25502.14912.15022.14891.50952.57781.41922.20791.3786
C31.08022.25504.02544.40494.02413.66271.75001.32973.50272.4411
H44.89262.14914.02541.78201.77451.09504.62072.82163.70163.2824
H55.43782.15024.40491.78201.78201.09474.40093.43422.66332.7154
H64.89072.14894.02411.77451.78201.09504.62142.81943.70443.2840
C74.62641.50953.66271.09501.09471.09504.05682.52572.95792.5827
S82.48002.57781.75004.62074.40094.62144.05682.61052.47151.7317
N92.13321.41921.32972.82163.43422.81942.52572.61053.38722.3479
H104.54122.20793.50273.70162.66333.70442.95792.47153.38721.0808
C113.49801.37862.44113.28242.71543.28402.58271.73172.34791.0808

picture of 4-Methylthiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 S8 120.542 H1 C3 N9 124.224
C2 C7 H4 110.196 C2 C7 H5 110.293
C2 C7 H6 110.182 C2 N9 C3 110.191
C2 C11 S8 111.447 C2 C11 H10 127.309
C3 S8 C11 89.031 H4 C7 H5 108.938
H4 C7 H6 108.245 H5 C7 H6 108.941
C7 C2 N9 119.137 C7 C2 C11 126.766
S8 C3 N9 115.234 S8 C11 H10 121.244
N9 C2 C11 114.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability