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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-689.570983
Energy at 298.15K-689.574818
HF Energy-689.570983
Nuclear repulsion energy265.984483
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 mPW1PW91/6-31G**
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' 3336 3174 0.01      
2 A' 3320 3159 0.62      
3 A' 3299 3139 1.78      
4 A' 1643 1564 22.18      
5 A' 1549 1474 60.17      
6 A' 1436 1367 14.67      
7 A' 1271 1209 29.27      
8 A' 1239 1179 33.57      
9 A' 1177 1120 7.72      
10 A' 1114 1060 13.06      
11 A' 1044 993 22.92      
12 A' 948 902 32.84      
13 A' 900 857 1.12      
14 A' 505 480 5.07      
15 A' 318 303 0.44      
16 A" 882 840 0.05      
17 A" 814 775 23.11      
18 A" 744 708 49.02      
19 A" 637 606 5.75      
20 A" 616 586 4.73      
21 A" 229 218 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 13511.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 12856.1 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 mPW1PW91/6-31G**
ABC
0.31044 0.07185 0.05834

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.266 0.000
C2 1.307 -0.099 0.000
C3 1.295 -1.529 0.000
C4 -0.009 -1.901 0.000
O5 -0.817 -0.806 0.000
Cl6 -0.754 1.794 0.000
H7 2.158 0.563 0.000
H8 2.150 -2.187 0.000
H9 -0.516 -2.851 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35742.21332.16721.34731.70432.17863.26173.1597
C21.35741.43022.23192.23852.79901.07772.25153.3017
C32.21331.43021.35612.23203.90422.26281.07892.2424
C42.16722.23191.35611.36093.76993.28142.17811.0769
O51.34732.23852.23201.36092.60073.27443.27252.0676
Cl61.70432.79903.90423.76992.60073.16224.92794.6517
H72.17861.07772.26283.28143.27443.16222.74934.3367
H83.26172.25151.07892.17813.27254.92792.74932.7479
H93.15973.30172.24241.07692.06764.65174.33672.7479

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 105.091 C1 C2 H7 126.548
C1 O5 C4 106.300 C2 C1 O5 111.716
C2 C1 Cl6 131.854 C2 C3 C4 106.430
C2 C3 H8 127.057 C3 C2 H7 128.361
C3 C4 O5 110.464 C3 C4 H9 134.014
C4 C3 H8 126.513 O5 C1 Cl6 116.430
O5 C4 H9 115.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.119      
2 C -0.156      
3 C -0.177      
4 C 0.103      
5 O -0.406      
6 Cl 0.061      
7 H 0.153      
8 H 0.145      
9 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.254 -1.256 0.000 1.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.063 -0.033 0.000
y -0.033 -35.489 0.000
z 0.000 0.000 -42.550
Traceless
 xyz
x 0.956 -0.033 0.000
y -0.033 4.818 0.000
z 0.000 0.000 -5.774
Polar
3z2-r2-11.548
x2-y2-2.575
xy-0.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.874 -1.187 0.000
y -1.187 10.078 0.000
z 0.000 0.000 3.302


<r2> (average value of r2) Å2
<r2> 178.391
(<r2>)1/2 13.356