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 C3H3NS (Thiazole)

using model chemistry: CCSD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-568.020123
Energy at 298.15K 
HF Energy-567.298631
Nuclear repulsion energy204.397976
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 CCSD/6-31+G**
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' 3338 3117 1.47      
2 A' 3308 3089 0.08      
3 A' 3304 3086 3.85      
4 A' 1580 1475 23.56      
5 A' 1488 1390 37.00      
6 A' 1394 1301 6.51      
7 A' 1308 1222 10.76      
8 A' 1175 1098 5.66      
9 A' 1089 1017 8.18      
10 A' 911 851 10.25      
11 A' 893 834 41.44      
12 A' 775 724 0.62      
13 A' 632 590 1.27      
14 A" 882 824 0.01      
15 A" 820 766 52.67      
16 A" 726 678 24.29      
17 A" 591 552 20.26      
18 A" 456 426 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 12335.2 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 11518.6 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 CCSD/6-31+G**
ABC
0.28360 0.18129 0.11059

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.190 0.000
C2 -1.199 -0.065 0.000
C3 1.221 -0.033 0.000
N4 -0.743 -1.288 0.000
C5 0.644 -1.271 0.000
H6 -2.250 0.176 0.000
H7 2.269 0.214 0.000
H8 1.180 -2.207 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.73601.72812.58722.54402.46842.47073.5968
C21.73602.41951.30462.20211.07933.47913.2009
C31.72812.41952.33021.36533.47751.07722.1747
N42.58721.30462.33021.38732.10173.36552.1314
C52.54402.20211.36531.38733.23642.20061.0790
H62.46841.07933.47752.10173.23644.52004.1774
H72.47073.47911.07723.36552.20064.52002.6545
H83.59683.20092.17472.13141.07904.17742.6545

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.886 S1 C2 H6 120.721
S1 C3 C5 110.097 S1 C3 H7 121.717
C2 S1 C3 88.602 C2 N4 C5 109.738
C3 C5 N4 115.677 C3 C5 H8 125.268
N4 C2 H6 123.392 N4 C5 H8 119.055
C5 C3 H7 128.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability