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All results from a given calculation for C5H6S (Thiophene, 2-methyl-)

using model chemistry: B2PLYP=FULLultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-591.944025
Energy at 298.15K 
HF Energy-591.675903
Nuclear repulsion energy272.155052
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 B2PLYP=FULLultrafine/6-31G*
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' 3295 3126 1.34      
2 A' 3255 3088 7.23      
3 A' 3238 3072 8.24      
4 A' 3163 3001 12.65      
5 A' 3077 2919 29.95      
6 A' 1614 1531 2.21      
7 A' 1545 1465 3.70      
8 A' 1515 1437 10.20      
9 A' 1463 1388 0.60      
10 A' 1411 1338 0.57      
11 A' 1286 1220 11.48      
12 A' 1204 1142 12.12      
13 A' 1126 1068 1.52      
14 A' 1086 1030 2.97      
15 A' 1014 962 1.53      
16 A' 870 825 12.21      
17 A' 755 716 0.37      
18 A' 674 640 2.38      
19 A' 557 529 0.83      
20 A' 306 290 0.77      
21 A" 3138 2977 15.91      
22 A" 1529 1450 7.55      
23 A" 1085 1029 0.62      
24 A" 889 843 0.27      
25 A" 825 783 11.65      
26 A" 702 666 60.53      
27 A" 567 538 0.83      
28 A" 472 447 4.28      
29 A" 230 218 2.51      
30 A" 99 94 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 20993.1 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 19916.1 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.17515 0.10334 0.06579

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.399 -1.543 0.000
C2 -1.442 -1.033 0.000
H3 -2.144 1.078 0.000
C4 -1.303 0.393 0.000
C5 0.000 0.812 0.000
H6 -0.046 -2.739 0.000
C7 -0.238 -1.675 0.000
S8 1.086 -0.554 0.000
H9 -0.313 2.920 0.000
H10 1.137 2.424 0.884
H11 1.137 2.424 -0.884
C12 0.525 2.219 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08392.63372.22523.36192.63912.16463.62244.92625.38675.38674.7642
C21.08392.22431.43292.34202.20511.36512.57354.11054.40224.40223.8001
H32.63372.22431.08472.16054.35583.34863.61912.59693.65463.65462.9024
C42.22521.43291.08471.36853.37532.32652.56992.71313.29463.29462.5828
C53.36192.34202.16051.36853.55172.49881.74542.13042.16082.16081.5009
H62.63912.20514.35583.37533.55171.08122.46105.66505.36955.36954.9904
C72.16461.36513.34862.32652.49881.08121.73514.59534.41244.41243.9677
S83.62242.57353.61912.56991.74542.46101.73513.74473.10613.10612.8287
H94.92624.11052.59692.71312.13045.66504.59533.74471.76901.76901.0924
H105.38674.40223.65463.29462.16085.36954.41243.10611.76901.76721.0943
H115.38674.40223.65463.29462.16085.36954.41243.10611.76901.76721.0943
C124.76423.80012.90242.58281.50094.99043.96772.82871.09241.09431.0943

picture of Thiophene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 123.702 H1 C2 C7 123.818
C2 C4 H3 123.543 C2 C4 C5 113.420
C2 C7 H6 128.312 C2 C7 S8 111.670
H3 C4 C5 123.037 C4 C2 C7 112.480
C4 C5 S8 110.658 C4 C5 C12 128.290
C5 S8 C7 91.772 C5 C12 H9 109.456
C5 C12 H10 111.780 C5 C12 H11 111.780
H6 C7 S8 120.018 S8 C5 C12 121.052
H9 C12 H10 107.992 H9 C12 H11 107.992
H10 C12 H11 107.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability