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 C5H6S (Thiophene, 3-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-591.943912
Energy at 298.15K 
HF Energy-591.675934
Nuclear repulsion energy269.590105
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 1.05      
2 A' 3285 3116 1.04      
3 A' 3240 3074 5.85      
4 A' 3163 3000 16.54      
5 A' 3076 2918 31.75      
6 A' 1618 1535 2.18      
7 A' 1546 1466 8.25      
8 A' 1479 1404 6.89      
9 A' 1463 1388 0.45      
10 A' 1438 1365 3.39      
11 A' 1282 1217 4.40      
12 A' 1207 1145 2.03      
13 A' 1129 1071 3.79      
14 A' 1035 982 7.92      
15 A' 959 910 2.79      
16 A' 880 835 15.17      
17 A' 848 804 7.08      
18 A' 671 637 0.52      
19 A' 549 521 0.58      
20 A' 320 304 0.77      
21 A" 3135 2975 20.53      
22 A" 1534 1455 5.66      
23 A" 1086 1030 2.64      
24 A" 878 833 0.03      
25 A" 773 734 73.31      
26 A" 681 646 2.06      
27 A" 598 567 7.36      
28 A" 458 435 0.19      
29 A" 234 222 2.58      
30 A" 111 105 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20985.1 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 19908.6 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.23178 0.08141 0.06093

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 -2.218 0.791 0.000
C2 -1.257 0.287 0.000
C3 0.000 0.985 0.000
C4 1.054 0.112 0.000
H5 -1.894 -1.822 0.000
C6 -1.116 -1.071 0.000
S7 0.549 -1.547 0.000
H8 1.164 2.799 0.000
H9 -0.364 2.919 0.882
H10 -0.364 2.919 -0.882
C11 0.117 2.485 0.000
H12 2.109 0.352 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08482.22643.34122.63322.16363.62213.93302.95712.95712.88524.3486
C21.08481.43852.31772.20321.36542.57383.48902.91652.91652.59303.3666
C32.22641.43851.36833.38692.34012.59062.15482.15652.15651.50462.2014
C43.34122.31771.36833.52612.47191.73382.68863.26603.26602.55101.0819
H52.63322.20323.38693.52611.08132.45895.54145.05985.05984.75424.5555
C62.16361.36542.34012.47191.08131.73194.49194.15554.15553.76453.5252
S73.62212.57382.59061.73382.45891.73194.38844.64264.64264.05482.4572
H83.93303.48902.15482.68865.54144.49194.38841.76861.76861.09262.6222
H92.95712.91652.15653.26605.05984.15554.64261.76861.76441.09473.6715
H102.95712.91652.15653.26605.05984.15554.64261.76861.76441.09473.6715
C112.88522.59301.50462.55104.75423.76454.05481.09261.09471.09472.9178
H124.34863.36662.20141.08194.55553.52522.45722.62223.67153.67152.9178

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 123.251 H1 C2 C6 123.626
C2 C3 C4 111.304 C2 C3 C11 123.527
C2 C6 H5 128.063 C2 C6 S7 111.853
C3 C2 C6 113.123 C3 C4 S7 112.724
C3 C4 H12 127.530 C3 C11 H8 111.141
C3 C11 H9 111.149 C3 C11 H10 111.149
C4 C3 C11 125.170 C4 S7 C6 90.996
H5 C6 S7 120.084 S7 C4 H12 119.746
H8 C11 H9 107.917 H8 C11 H10 107.917
H9 C11 H10 107.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability