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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-689.473547
Energy at 298.15K-689.477326
HF Energy-689.473547
Nuclear repulsion energy265.415087
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' 3322 3178 0.06      
2 A' 3304 3161 0.27      
3 A' 3282 3140 2.24      
4 A' 1630 1559 21.10      
5 A' 1535 1469 58.65      
6 A' 1428 1366 14.42      
7 A' 1263 1208 19.54      
8 A' 1228 1175 42.50      
9 A' 1167 1117 8.05      
10 A' 1107 1059 13.70      
11 A' 1040 995 22.17      
12 A' 940 899 32.93      
13 A' 895 857 1.25      
14 A' 499 478 5.24      
15 A' 316 302 0.43      
16 A" 868 830 0.04      
17 A" 802 767 26.29      
18 A" 732 700 46.54      
19 A" 630 603 6.40      
20 A" 612 585 4.09      
21 A" 226 216 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 13412.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12831.3 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
0.30908 0.07154 0.05809

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 0.267 0.000
C2 1.310 -0.099 0.000
C3 1.298 -1.531 0.000
C4 -0.008 -1.906 0.000
O5 -0.819 -0.808 0.000
Cl6 -0.756 1.798 0.000
H7 2.163 0.562 0.000
H8 2.157 -2.189 0.000
H9 -0.518 -2.856 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36002.21762.17211.35111.70802.18353.26813.1654
C21.36001.43182.23552.24342.80521.08012.25443.3078
C32.21761.43181.35862.23703.91222.26531.08142.2485
C42.17212.23551.35861.36443.77843.28692.18291.0791
O51.35112.24342.23701.36442.60703.28193.28012.0697
Cl61.70802.80523.91223.77842.60703.17034.93764.6602
H72.18351.08012.26533.28693.28193.17032.75124.3449
H83.26812.25441.08142.18293.28014.93762.75122.7572
H93.16543.30782.24851.07912.06974.66024.34492.7572

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 105.153 C1 C2 H7 126.593
C1 O5 C4 106.239 C2 C1 O5 111.680
C2 C1 Cl6 131.895 C2 C3 C4 106.451
C2 C3 H8 126.987 C3 C2 H7 128.254
C3 C4 O5 110.476 C3 C4 H9 134.240
C4 C3 H8 126.562 O5 C1 Cl6 116.426
O5 C4 H9 115.283
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 0.129      
2 C -0.203      
3 C -0.213      
4 C 0.055      
5 O -0.393      
6 Cl 0.057      
7 H 0.191      
8 H 0.183      
9 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.254 -1.258 0.000 1.776
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.039 -0.032 0.000
y -0.032 -35.500 0.000
z 0.000 0.000 -42.560
Traceless
 xyz
x 0.991 -0.032 0.000
y -0.032 4.800 0.000
z 0.000 0.000 -5.791
Polar
3z2-r2-11.581
x2-y2-2.539
xy-0.032
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.881 -1.212 0.000
y -1.212 10.145 0.000
z 0.000 0.000 3.276


<r2> (average value of r2) Å2
<r2> 179.051
(<r2>)1/2 13.381