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All results from a given calculation for C5H6S (Thiophene, 3-methyl-)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-591.248993
Energy at 298.15K 
HF Energy-590.407197
Nuclear repulsion energy270.117272
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/TZVP
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' 3294 3123 0.73      
2 A' 3282 3111 0.61      
3 A' 3245 3076 3.57      
4 A' 3176 3010 14.81      
5 A' 3081 2920 31.24      
6 A' 1582 1500 1.83      
7 A' 1522 1443 9.43      
8 A' 1445 1370 5.62      
9 A' 1438 1363 3.02      
10 A' 1428 1353 1.88      
11 A' 1275 1208 5.15      
12 A' 1203 1140 2.64      
13 A' 1116 1058 4.94      
14 A' 1023 969 6.90      
15 A' 958 908 3.57      
16 A' 892 846 16.24      
17 A' 859 814 6.89      
18 A' 672 637 0.23      
19 A' 548 520 0.27      
20 A' 319 303 0.75      
21 A" 3158 2993 14.35      
22 A" 1486 1408 7.11      
23 A" 1050 995 0.01      
24 A" 736 698 2.94      
25 A" 660 626 94.50      
26 A" 563 534 4.16      
27 A" 414 393 1.98      
28 A" 193 183 3.28      
29 A" 82 78 0.21      
30 A" 243i 231i 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 20227.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 19173.9 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 MP2/TZVP
ABC
0.23305 0.08168 0.06117

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.210 0.804 0.000
C2 -1.253 0.298 0.000
C3 0.000 0.985 0.000
C4 1.050 0.106 0.000
H5 -1.894 -1.809 0.000
C6 -1.116 -1.062 0.000
S7 0.543 -1.548 0.000
H8 1.172 2.782 0.000
H9 -0.351 2.911 0.882
H10 -0.351 2.911 -0.882
C11 0.125 2.479 0.000
H12 2.104 0.341 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08232.21733.33402.63232.16353.62133.91812.94502.94502.87404.3388
C21.08231.42942.31152.20221.36692.57593.47212.90202.90202.58093.3578
C32.21731.42941.36933.37572.33152.59082.14562.14732.14731.49992.2005
C43.33402.31151.36933.51262.46101.73032.67853.25703.25702.54731.0798
H52.63232.20223.37573.51261.07892.45155.52115.04385.04384.74054.5398
C62.16351.36692.33152.46101.07891.72874.47364.14124.14123.75293.5123
S73.62132.57592.59081.73032.45151.72874.37564.63274.63274.04952.4506
H83.91813.47212.14562.67855.52114.47364.37561.76491.76491.08992.6128
H92.94502.90202.14733.25705.04384.14124.63271.76491.76421.09133.6620
H102.94502.90202.14733.25705.04384.14124.63271.76491.76421.09133.6620
C112.87402.58091.49992.54734.74053.75294.04951.08991.09131.09132.9137
H124.33883.35782.20051.07984.53983.51232.45062.61283.66203.66202.9137

picture of Thiophene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 123.366 H1 C2 C6 123.678
C2 C3 C4 111.343 C2 C3 C11 123.526
C2 C6 H5 128.032 C2 C6 S7 112.108
C3 C2 C6 112.956 C3 C4 S7 112.885
C3 C4 H12 127.523 C3 C11 H8 110.896
C3 C11 H9 110.946 C3 C11 H10 110.946
C4 C3 C11 125.131 C4 S7 C6 90.708
H5 C6 S7 119.860 S7 C4 H12 119.592
H8 C11 H9 108.029 H8 C11 H10 108.029
H9 C11 H10 107.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability