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All results from a given calculation for C4H3ClO (Furan, 2-chloro)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-685.750888
Energy at 298.15K-685.754692
HF Energy-685.750888
Nuclear repulsion energy261.208940
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 HSEh1PBE/3-21G
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' 3360 3237 0.86      
2 A' 3342 3219 2.36      
3 A' 3314 3192 0.80      
4 A' 1614 1555 30.48      
5 A' 1512 1457 41.88      
6 A' 1399 1348 20.01      
7 A' 1276 1229 10.69      
8 A' 1189 1146 36.63      
9 A' 1148 1106 12.35      
10 A' 1059 1020 16.53      
11 A' 1038 1000 15.66      
12 A' 928 894 16.30      
13 A' 911 878 21.94      
14 A' 465 448 6.15      
15 A' 279 268 0.16      
16 A" 939 904 1.72      
17 A" 884 851 23.59      
18 A" 773 744 83.73      
19 A" 649 625 0.50      
20 A" 624 601 9.42      
21 A" 230 222 3.06      

Unscaled Zero Point Vibrational Energy (zpe) 13464.8 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 12970.6 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 HSEh1PBE/3-21G
ABC
0.30516 0.06846 0.05591

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.256 0.000
C2 1.307 -0.098 0.000
C3 1.321 -1.540 0.000
C4 0.027 -1.956 0.000
O5 -0.828 -0.845 0.000
Cl6 -0.776 1.841 0.000
H7 2.150 0.568 0.000
H8 2.196 -2.168 0.000
H9 -0.457 -2.914 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35402.22982.21191.37721.76532.17283.27063.2031
C21.35401.44232.25622.26162.84621.07492.25263.3231
C32.22981.44231.35962.25893.97932.26591.07652.2473
C42.21192.25621.35961.40183.88123.29872.17951.0737
O51.37722.26162.25891.40182.68653.29633.30062.1027
Cl61.76532.84623.97933.88122.68653.19114.99074.7665
H72.17281.07492.26593.29873.29633.19112.73684.3506
H83.27062.25261.07652.17953.30064.99072.73682.7559
H93.20313.32312.24731.07372.10274.76654.35062.7559

picture of Furan, 2-chloro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 105.722 C1 C2 H7 126.515
C1 O5 C4 105.485 C2 C1 O5 111.796
C2 C1 Cl6 131.239 C2 C3 C4 107.231
C2 C3 H8 126.227 C3 C2 H7 127.763
C3 C4 O5 109.765 C3 C4 H9 134.575
C4 C3 H8 126.541 O5 C1 Cl6 116.965
O5 C4 H9 115.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 C -0.259      
3 C -0.278      
4 C 0.050      
5 O -0.472      
6 Cl 0.212      
7 H 0.245      
8 H 0.236      
9 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.669 -1.541 0.000 2.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.848 -0.036 0.000
y -0.036 -35.787 0.000
z 0.000 0.000 -43.957
Traceless
 xyz
x 1.024 -0.036 0.000
y -0.036 5.616 0.000
z 0.000 0.000 -6.640
Polar
3z2-r2-13.279
x2-y2-3.061
xy-0.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.161 -1.288 0.000
y -1.288 9.592 0.000
z 0.000 0.000 2.224


<r2> (average value of r2) Å2
<r2> 185.298
(<r2>)1/2 13.612