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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-553.373777
Energy at 298.15K-553.380728
HF Energy-552.541033
Nuclear repulsion energy218.079473
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/Def2TZVPP
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 3261 3102 4.77      
2 A 3234 3077 0.31      
3 A 3179 3025 6.52      
4 A 3137 2984 15.68      
5 A 3096 2946 17.01      
6 A 3051 2903 28.26      
7 A 1607 1529 11.46      
8 A 1490 1418 1.39      
9 A 1476 1404 3.74      
10 A 1344 1279 0.70      
11 A 1324 1260 2.93      
12 A 1285 1223 15.44      
13 A 1202 1144 2.03      
14 A 1150 1094 0.72      
15 A 1119 1064 1.14      
16 A 1028 978 4.76      
17 A 1010 961 3.16      
18 A 939 894 2.72      
19 A 924 880 0.75      
20 A 872 830 1.07      
21 A 808 769 23.17      
22 A 702 668 9.80      
23 A 694 661 31.88      
24 A 657 625 17.21      
25 A 497 473 0.52      
26 A 411 391 2.02      
27 A 196 186 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 19846.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 18883.6 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/Def2TZVPP
ABC
0.23188 0.15770 0.09966

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 -1.248 0.224
H2 -0.065 -1.470 1.289
H3 0.140 -2.157 -0.335
C4 -1.376 -0.571 -0.187
H5 -2.210 -0.981 0.381
H6 -1.583 -0.741 -1.248
C7 0.111 1.271 0.087
H8 0.481 2.282 0.175
C9 -1.174 0.897 0.063
H10 -1.993 1.598 0.123
S11 1.266 -0.039 -0.094

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.08861.08651.53012.16592.17302.52973.57252.41973.43881.8276
H21.08861.77572.16932.38043.04522.99863.95142.88763.80702.3944
H31.08651.77572.19892.72382.40963.45424.48073.34844.34302.4107
C41.53012.16932.19891.08961.09422.38343.42281.50302.27662.6967
H52.16592.38042.72381.08961.76193.24814.23452.16922.60153.6331
H62.17303.04522.40961.09421.76192.95003.92702.13752.74223.1532
C72.52972.99863.45422.38343.24812.95001.07941.33842.13001.7560
H83.57253.95144.48073.42284.23453.92701.07942.16012.56722.4647
C92.41972.88763.34841.50302.16922.13751.33842.16011.08022.6180
H103.43883.80704.34302.27662.60152.74222.13002.56721.08023.6540
S111.82762.39442.41072.69673.63313.15321.75602.46472.61803.6540

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 110.406 C1 C4 H6 110.692
C1 C4 C9 105.830 C1 S11 C7 89.780
H2 C1 H3 109.457 H2 C1 C4 110.741
H2 C1 S11 107.679 H3 C1 C4 113.265
H3 C1 S11 108.974 C4 C1 S11 106.526
C4 C9 C7 113.907 C4 C9 H10 122.756
H5 C4 H6 107.569 H5 C4 C9 112.608
H6 C4 C9 109.767 C7 C9 H10 123.100
H8 C7 C9 126.281 H8 C7 S11 118.793
C9 C7 S11 114.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability