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

using model chemistry: HF/CEP-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/CEP-31G*
 hartrees
Energy at 0K-54.031995
Energy at 298.15K-54.036067
HF Energy-54.031995
Nuclear repulsion energy109.961754
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/CEP-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' 3493 3137 2.37      
2 A' 3469 3115 0.79      
3 A' 3447 3096 5.18      
4 A' 1769 1588 28.35      
5 A' 1676 1505 92.65      
6 A' 1530 1374 17.92      
7 A' 1351 1213 27.49      
8 A' 1315 1181 40.14      
9 A' 1233 1108 11.80      
10 A' 1181 1061 26.59      
11 A' 1095 983 28.91      
12 A' 1003 901 39.33      
13 A' 948 852 2.20      
14 A' 528 474 5.51      
15 A' 332 298 0.45      
16 A" 1005 903 0.11      
17 A" 945 849 26.92      
18 A" 852 765 84.15      
19 A" 680 611 3.69      
20 A" 640 575 7.97      
21 A" 249 223 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 14370.1 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 12904.4 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/CEP-31G*
ABC
0.30965 0.07118 0.05788

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.261 0.000
C2 1.314 -0.091 0.000
C3 1.300 -1.547 0.000
C4 -0.013 -1.906 0.000
O5 -0.810 -0.806 0.000
Cl6 -0.759 1.802 0.000
H7 2.158 0.573 0.000
H8 2.147 -2.209 0.000
H9 -0.521 -2.852 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36062.22732.16731.33981.71722.18073.27333.1564
C21.36061.45612.24862.24142.80741.07392.27633.3153
C32.22731.45611.36162.23683.93122.28711.07522.2407
C42.16732.24861.36161.35853.78183.29552.18141.0737
O51.33982.24142.23681.35852.60783.27303.27342.0662
Cl61.71722.80743.93123.78182.60783.16584.95334.6593
H72.18071.07392.28713.29553.27303.16582.78254.3485
H83.27332.27631.07522.18143.27344.95332.78252.7447
H93.15643.31532.24071.07372.06624.65934.34852.7447

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 104.455 C1 C2 H7 126.804
C1 O5 C4 106.874 C2 C1 O5 112.198
C2 C1 Cl6 131.254 C2 C3 C4 105.837
C2 C3 H8 127.487 C3 C2 H7 128.741
C3 C4 O5 110.635 C3 C4 H9 133.542
C4 C3 H8 126.675 O5 C1 Cl6 116.547
O5 C4 H9 115.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 C -0.027      
3 C -0.245      
4 C -0.251      
5 O -0.083      
6 Cl -0.058      
7 H 0.325      
8 H 0.306      
9 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.501 -1.436 0.000 2.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.165 0.013 0.000
y 0.013 -35.538 0.000
z 0.000 0.000 -43.179
Traceless
 xyz
x 1.193 0.013 0.000
y 0.013 5.135 0.000
z 0.000 0.000 -6.328
Polar
3z2-r2-12.656
x2-y2-2.628
xy0.013
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.071 -1.152 0.000
y -1.152 9.582 0.000
z 0.000 0.000 3.775


<r2> (average value of r2) Å2
<r2> 119.885
(<r2>)1/2 10.949