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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-689.568217
Energy at 298.15K-689.572026
HF Energy-689.568217
Nuclear repulsion energy266.389517
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 B1B95/6-31G*
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' 3342 3172 0.05      
2 A' 3324 3155 0.36      
3 A' 3303 3135 2.10      
4 A' 1649 1565 22.12      
5 A' 1553 1475 60.25      
6 A' 1441 1367 13.84      
7 A' 1274 1209 33.52      
8 A' 1243 1180 31.44      
9 A' 1181 1121 7.79      
10 A' 1117 1061 12.89      
11 A' 1045 992 22.99      
12 A' 944 896 33.43      
13 A' 894 848 1.23      
14 A' 505 479 4.84      
15 A' 315 299 0.42      
16 A" 877 833 0.07      
17 A" 810 769 23.21      
18 A" 743 705 47.17      
19 A" 637 604 5.77      
20 A" 614 583 4.40      
21 A" 230 218 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 13518.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 12833.1 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 B1B95/6-31G*
ABC
0.31135 0.07207 0.05853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.266 0.000
C2 1.306 -0.098 0.000
C3 1.295 -1.525 0.000
C4 -0.006 -1.898 0.000
O5 -0.814 -0.806 0.000
Cl6 -0.756 1.790 0.000
H7 2.156 0.564 0.000
H8 2.151 -2.181 0.000
H9 -0.514 -2.847 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35522.20962.16331.34551.70192.17643.25793.1549
C21.35521.42702.22742.23492.79531.07762.24843.2972
C32.20961.42701.35382.22863.89822.25951.07882.2412
C42.16332.22741.35381.35863.76363.27672.17611.0768
O51.34552.23492.22861.35862.59663.27083.26912.0635
Cl61.70192.79533.89823.76362.59663.15914.92174.6439
H72.17641.07762.25953.27673.27083.15912.74544.3322
H83.25792.24841.07882.17613.26914.92172.74542.7476
H93.15493.29722.24121.07682.06354.64394.33222.7476

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 105.127 C1 C2 H7 126.545
C1 O5 C4 106.264 C2 C1 O5 111.696
C2 C1 Cl6 131.908 C2 C3 C4 106.417
C2 C3 H8 127.050 C3 C2 H7 128.328
C3 C4 O5 110.496 C3 C4 H9 134.148
C4 C3 H8 126.534 O5 C1 Cl6 116.396
O5 C4 H9 115.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 C -0.192      
3 C -0.208      
4 C 0.065      
5 O -0.401      
6 Cl 0.057      
7 H 0.186      
8 H 0.178      
9 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.251 -1.252 0.000 1.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.030 -0.034 0.000
y -0.034 -35.493 0.000
z 0.000 0.000 -42.452
Traceless
 xyz
x 0.943 -0.034 0.000
y -0.034 4.748 0.000
z 0.000 0.000 -5.690
Polar
3z2-r2-11.381
x2-y2-2.537
xy-0.034
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.821 -1.190 0.000
y -1.190 10.020 0.000
z 0.000 0.000 3.264


<r2> (average value of r2) Å2
<r2> 177.897
(<r2>)1/2 13.338