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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-554.126922
Energy at 298.15K-554.133781
Nuclear repulsion energy216.264310
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 B3PW91/cc-pVDZ
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 3238 3125 5.28      
2 A 3207 3095 1.15      
3 A 3146 3035 8.30      
4 A 3086 2978 28.65      
5 A 3066 2958 14.14      
6 A 3008 2903 38.62      
7 A 1659 1601 14.21      
8 A 1458 1407 1.51      
9 A 1439 1389 2.34      
10 A 1334 1287 0.51      
11 A 1308 1262 3.49      
12 A 1260 1216 14.55      
13 A 1190 1149 2.62      
14 A 1133 1093 0.84      
15 A 1102 1064 0.94      
16 A 1023 988 4.75      
17 A 988 953 2.67      
18 A 931 899 3.26      
19 A 914 882 1.13      
20 A 851 821 2.30      
21 A 792 765 24.12      
22 A 696 672 16.74      
23 A 679 655 22.60      
24 A 654 631 17.27      
25 A 501 483 0.57      
26 A 407 393 2.63      
27 A 158 152 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 19614.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 18927.6 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 B3PW91/cc-pVDZ
ABC
0.22839 0.15529 0.09741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.075 -1.264 0.198
H2 -0.053 -1.538 1.265
H3 0.124 -2.163 -0.402
C4 -1.391 -0.565 -0.166
H5 -2.224 -0.970 0.432
H6 -1.649 -0.740 -1.229
C7 0.114 1.280 0.077
H8 0.493 2.301 0.156
C9 -1.172 0.909 0.059
H10 -1.997 1.621 0.122
S11 1.278 -0.042 -0.084

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.10161.09841.53412.18092.18822.55443.61012.43783.46711.8453
H21.10161.78862.18752.39313.06653.06264.03252.94793.88062.4143
H31.09841.78862.21452.76172.41913.47614.51323.36514.36872.4353
C41.53412.18752.21451.10221.10762.39373.44421.50652.28592.7213
H52.18092.39312.76171.10221.77253.26424.26042.18512.61863.6592
H62.18823.06652.41911.10761.77252.98273.96862.14582.74193.2198
C72.55443.06263.47612.39373.26422.98271.09121.33882.13941.7690
H83.61014.03254.51323.44424.26043.96861.09122.17192.58132.4827
C92.43782.94793.36511.50652.18512.14581.33882.17191.09182.6319
H103.46713.88064.36872.28592.61862.74192.13942.58131.09183.6791
S111.84532.41432.43532.72133.65923.21981.76902.48272.63193.6791

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 110.563 C1 C4 H6 110.821
C1 C4 C9 106.590 C1 S11 C7 89.917
H2 C1 H3 108.783 H2 C1 C4 111.125
H2 C1 S11 107.320 H3 C1 C4 113.502
H3 C1 S11 108.989 C4 C1 S11 106.911
C4 C9 C7 114.417 C4 C9 H10 122.416
H5 C4 H6 106.664 H5 C4 C9 112.862
H6 C4 C9 109.388 C7 C9 H10 122.999
H8 C7 C9 126.401 H8 C7 S11 118.536
C9 C7 S11 115.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 H 0.084      
3 H 0.072      
4 C -0.019      
5 H 0.051      
6 H 0.060      
7 C -0.095      
8 H 0.044      
9 C -0.055      
10 H 0.012      
11 S -0.007      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.505 -0.386 0.165 1.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.961 0.584 0.034
y 0.584 -33.375 0.073
z 0.034 0.073 -39.454
Traceless
 xyz
x -1.546 0.584 0.034
y 0.584 5.333 0.073
z 0.034 0.073 -3.787
Polar
3z2-r2-7.573
x2-y2-4.586
xy0.584
xz0.034
yz0.073


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 127.921
(<r2>)1/2 11.310