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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-689.379103
Energy at 298.15K-689.382886
HF Energy-689.379103
Nuclear repulsion energy261.183433
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 B3PW91/6-31G
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' 3365 3222 0.31      
2 A' 3333 3192 0.41      
3 A' 3308 3168 2.23      
4 A' 1624 1555 25.49      
5 A' 1526 1462 52.94      
6 A' 1408 1349 12.34      
7 A' 1268 1214 9.41      
8 A' 1193 1142 42.35      
9 A' 1148 1099 15.84      
10 A' 1067 1022 15.16      
11 A' 1040 996 22.62      
12 A' 921 882 31.91      
13 A' 902 864 5.43      
14 A' 474 454 5.41      
15 A' 299 286 0.50      
16 A" 922 883 0.43      
17 A" 856 820 25.34      
18 A" 758 726 73.41      
19 A" 630 604 1.49      
20 A" 613 587 8.19      
21 A" 224 215 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 13439.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 12870.9 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 B3PW91/6-31G
ABC
0.30485 0.06846 0.05591

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.264 0.000
C2 1.318 -0.074 0.000
C3 1.355 -1.514 0.000
C4 0.064 -1.953 0.000
O5 -0.802 -0.856 0.000
Cl6 -0.823 1.821 0.000
H7 2.156 0.604 0.000
H8 2.240 -2.129 0.000
H9 -0.412 -2.916 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36082.23532.21801.37831.76052.18233.27843.2072
C21.36081.44062.25912.26032.85871.07712.25293.3278
C32.23531.44061.36312.25483.98252.26391.07852.2556
C42.21802.25911.36311.39733.87623.30302.18341.0748
O51.37832.26032.25481.39732.67723.29863.29802.0965
Cl61.76052.85873.98253.87622.67723.21764.99844.7547
H72.18231.07712.26393.30303.29863.21762.73414.3570
H83.27842.25291.07852.18343.29804.99842.73412.7667
H93.20723.32782.25561.07482.09654.75474.35702.7667

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 105.828 C1 C2 H7 126.659
C1 O5 C4 106.089 C2 C1 O5 111.214
C2 C1 Cl6 132.244 C2 C3 C4 107.335
C2 C3 H8 126.235 C3 C2 H7 127.513
C3 C4 O5 109.534 C3 C4 H9 135.081
C4 C3 H8 126.429 O5 C1 Cl6 116.542
O5 C4 H9 115.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.028      
2 C -0.175      
3 C -0.198      
4 C 0.065      
5 O -0.467      
6 Cl 0.197      
7 H 0.201      
8 H 0.192      
9 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.877 -1.455 0.000 2.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.857 -0.282 0.000
y -0.282 -35.734 0.000
z 0.000 0.000 -43.093
Traceless
 xyz
x 0.556 -0.282 0.000
y -0.282 5.241 0.000
z 0.000 0.000 -5.797
Polar
3z2-r2-11.594
x2-y2-3.123
xy-0.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.705 -1.360 0.000
y -1.360 9.959 0.000
z 0.000 0.000 2.753


<r2> (average value of r2) Å2
<r2> 185.159
(<r2>)1/2 13.607