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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-687.392502
Energy at 298.15K-687.396625
HF Energy-687.392502
Nuclear repulsion energy263.499296
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 HF/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' 3526 3184 0.33      
2 A' 3485 3147 0.64      
3 A' 3463 3127 3.19      
4 A' 1773 1600 31.41      
5 A' 1665 1503 65.09      
6 A' 1520 1372 10.98      
7 A' 1379 1245 11.47      
8 A' 1289 1164 37.49      
9 A' 1222 1104 25.71      
10 A' 1138 1028 25.83      
11 A' 1107 1000 21.58      
12 A' 1004 907 45.08      
13 A' 982 887 8.91      
14 A' 505 456 4.35      
15 A' 318 287 0.52      
16 A" 1078 973 1.24      
17 A" 1009 911 21.76      
18 A" 881 795 87.33      
19 A" 712 643 2.15      
20 A" 663 598 14.99      
21 A" 253 228 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 14485.6 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 13079.1 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 HF/6-31G
ABC
0.31451 0.06918 0.05671

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.260 0.000
C2 1.302 -0.053 0.000
C3 1.356 -1.499 0.000
C4 0.087 -1.939 0.000
O5 -0.771 -0.858 0.000
Cl6 -0.841 1.801 0.000
H7 2.121 0.626 0.000
H8 2.238 -2.098 0.000
H9 -0.370 -2.897 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.33902.22112.20091.35831.75522.15283.25113.1793
C21.33901.44632.24262.22312.83371.06492.24863.2989
C32.22111.44631.34302.22123.96422.25861.06612.2218
C42.20092.24261.34301.37993.85343.27382.15661.0621
O51.35832.22312.22121.37992.66013.25083.25402.0782
Cl61.75522.83373.96423.85342.66013.18674.96794.7219
H72.15281.06492.25863.27383.25083.18672.72664.3155
H83.25112.24861.06612.15663.25404.96792.72662.7279
H93.17933.29892.22181.06212.07824.72194.31552.7279

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 105.713 C1 C2 H7 126.781
C1 O5 C4 106.987 C2 C1 O5 111.014
C2 C1 Cl6 132.178 C2 C3 C4 106.973
C2 C3 H8 126.351 C3 C2 H7 127.507
C3 C4 O5 109.314 C3 C4 H9 134.644
C4 C3 H8 126.677 O5 C1 Cl6 116.808
O5 C4 H9 116.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 C -0.242      
3 C -0.263      
4 C 0.143      
5 O -0.646      
6 Cl 0.204      
7 H 0.247      
8 H 0.236      
9 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.313 -1.672 0.000 2.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.860 -0.362 0.000
y -0.362 -36.330 0.000
z 0.000 0.000 -43.879
Traceless
 xyz
x 0.245 -0.362 0.000
y -0.362 5.540 0.000
z 0.000 0.000 -5.784
Polar
3z2-r2-11.569
x2-y2-3.530
xy-0.362
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.607 -1.273 0.000
y -1.273 9.075 0.000
z 0.000 0.000 2.638


<r2> (average value of r2) Å2
<r2> 183.341
(<r2>)1/2 13.540