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 C4H5NS (4-Methylthiazole)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-219.117816
Energy at 298.15K-219.123616
HF Energy-218.602541
Nuclear repulsion energy188.576626
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/LANL2DZ
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 3274 3153 1.56      
2 A 3270 3149 0.70      
3 A 3137 3021 20.95      
4 A 3129 3013 20.66      
5 A 3029 2918 29.26      
6 A 1549 1492 9.16      
7 A 1516 1460 9.59      
8 A 1504 1448 11.13      
9 A 1466 1412 4.70      
10 A 1359 1308 63.93      
11 A 1292 1245 13.99      
12 A 1231 1185 2.36      
13 A 1164 1121 3.96      
14 A 1101 1060 3.58      
15 A 1035 997 9.10      
16 A 884 851 13.10      
17 A 833 802 28.45      
18 A 773 744 12.51      
19 A 742 715 78.98      
20 A 669 644 0.67      
21 A 622 599 0.13      
22 A 618 595 12.37      
23 A 530 511 7.49      
24 A 458 441 3.45      
25 A 320 309 2.85      
26 A 218 210 5.96      
27 A 118 114 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 17919.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 17258.6 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/LANL2DZ
ABC
0.22798 0.07847 0.05903

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.281 -1.595 0.000
C2 0.625 0.051 0.000
C3 -1.486 -0.852 0.000
H4 2.471 -0.650 0.894
H5 2.624 0.897 -0.002
H6 2.470 -0.654 -0.892
C7 2.139 -0.094 0.000
S8 -1.887 0.935 0.000
N9 -0.179 -1.135 -0.000
H10 0.277 2.260 0.000
C11 -0.108 1.242 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.33961.08814.92665.50194.92504.66772.56052.15194.62593.5734
C23.33962.29562.16732.17112.16721.52092.66321.43262.23601.3986
C31.08812.29564.06104.46664.05983.70281.83221.33683.57642.5068
H44.92662.16734.06101.79411.78531.10364.72262.83803.75223.3210
H55.50192.17114.46661.79411.79411.10354.51173.46212.71462.7542
H64.92502.16724.05981.78531.79411.10364.72302.83623.75423.3221
C74.66771.52093.70281.10361.10351.10364.15552.54063.00132.6142
S82.56052.66321.83224.72264.51174.72304.15552.68402.53701.8053
N92.15191.43261.33682.83803.46212.83622.54062.68403.42502.3781
H104.62592.23603.57643.75222.71463.75423.00132.53703.42501.0879
C113.57341.39862.50683.32102.75423.32212.61421.80532.37811.0879

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 120.352 H1 C3 N9 124.783
C2 C7 H4 110.333 C2 C7 H5 110.634
C2 C7 H6 110.322 C2 N9 C3 111.928
C2 C11 S8 111.821 C2 C11 H10 127.679
C3 S8 C11 87.121 H4 C7 H5 108.757
H4 C7 H6 107.969 H5 C7 H6 108.758
C7 C2 N9 118.654 C7 C2 C11 127.080
S8 C3 N9 114.864 S8 C11 H10 120.499
N9 C2 C11 114.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability