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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-679.751188
Energy at 298.15K-679.755082
HF Energy-679.751188
Nuclear repulsion energy262.743314
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/STO-3G
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' 3797 3100 30.42      
2 A' 3782 3088 26.92      
3 A' 3751 3063 30.35      
4 A' 1930 1576 22.28      
5 A' 1778 1452 46.16      
6 A' 1653 1350 17.23      
7 A' 1529 1248 30.57      
8 A' 1392 1137 7.96      
9 A' 1298 1060 7.62      
10 A' 1272 1038 17.68      
11 A' 1173 958 4.01      
12 A' 1050 858 36.26      
13 A' 1013 827 2.30      
14 A' 554 452 2.99      
15 A' 317 259 0.51      
16 A" 1091 891 0.02      
17 A" 1018 831 5.68      
18 A" 907 740 19.37      
19 A" 697 569 0.04      
20 A" 663 542 5.92      
21 A" 258 210 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15461.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 12624.5 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/STO-3G
ABC
0.30837 0.06932 0.05660

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.252 0.000
C2 1.305 -0.060 0.000
C3 1.348 -1.505 0.000
C4 0.076 -1.927 0.000
O5 -0.803 -0.864 0.000
Cl6 -0.822 1.809 0.000
H7 2.140 0.621 0.000
H8 2.236 -2.116 0.000
H9 -0.367 -2.914 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.34212.21522.18031.37471.76032.17203.25743.1875
C21.34211.44582.23492.25612.83151.07772.25703.3078
C32.21521.44581.34012.24503.96162.26891.07782.2198
C42.18032.23491.34011.37963.84233.27892.16831.0823
O51.37472.25612.24501.37962.67283.29663.28722.0962
Cl61.76032.83153.96163.84232.67283.19154.97584.7450
H72.17201.07772.26893.27893.29663.19152.73874.3340
H83.25742.25701.07782.16833.28724.97582.73872.7230
H93.18753.30782.21981.08232.09624.74504.33402.7230

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 105.171 C1 C2 H7 127.347
C1 O5 C4 104.673 C2 C1 O5 112.275
C2 C1 Cl6 131.281 C2 C3 C4 106.620
C2 C3 H8 126.238 C3 C2 H7 127.482
C3 C4 O5 111.261 C3 C4 H9 132.515
C4 C3 H8 127.142 O5 C1 Cl6 116.444
O5 C4 H9 116.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.149      
2 C -0.087      
3 C -0.092      
4 C 0.056      
5 O -0.187      
6 Cl -0.106      
7 H 0.091      
8 H 0.083      
9 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.603 -1.901 0.000 2.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.627 0.927 0.000
y 0.927 -36.905 0.000
z 0.000 0.000 -38.781
Traceless
 xyz
x 0.216 0.927 0.000
y 0.927 1.299 0.000
z 0.000 0.000 -1.514
Polar
3z2-r2-3.028
x2-y2-0.722
xy0.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.767 -0.912 0.000
y -0.912 6.061 0.000
z 0.000 0.000 0.719


<r2> (average value of r2) Å2
<r2> 182.343
(<r2>)1/2 13.503