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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-55.182051
Energy at 298.15K-55.185735
HF Energy-55.182051
Nuclear repulsion energy107.288499
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3288 3205 0.34      
2 A' 3262 3179 0.29      
3 A' 3237 3155 4.72      
4 A' 1567 1527 21.01      
5 A' 1476 1438 63.59      
6 A' 1372 1337 13.77      
7 A' 1234 1202 8.62      
8 A' 1164 1134 39.86      
9 A' 1113 1085 27.10      
10 A' 1036 1010 14.56      
11 A' 1010 984 29.90      
12 A' 896 874 23.72      
13 A' 883 860 10.86      
14 A' 461 449 5.03      
15 A' 289 282 0.51      
16 A" 895 872 0.16      
17 A" 833 812 28.29      
18 A" 747 728 86.35      
19 A" 590 575 6.26      
20 A" 583 568 0.00      
21 A" 208 203 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 13072.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 12739.3 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 B3LYP/CEP-121G
ABC
0.29763 0.06685 0.05459

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.267 0.000
C2 1.336 -0.070 0.000
C3 1.376 -1.528 0.000
C4 0.072 -1.976 0.000
O5 -0.811 -0.871 0.000
Cl6 -0.838 1.840 0.000
H7 2.172 0.613 0.000
H8 2.264 -2.144 0.000
H9 -0.404 -2.943 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.37752.26162.24351.39681.78282.19923.30763.2352
C21.37751.45872.28642.29072.89391.07972.27273.3586
C32.26161.45871.37832.28324.03092.28431.08112.2736
C42.24352.28641.37831.41423.92293.33302.19861.0783
O51.39682.29072.28321.41422.71113.33113.32822.1119
Cl61.78282.89394.03093.92292.71113.25065.05004.8030
H72.19921.07972.28433.33303.33113.25062.75894.3909
H83.30762.27271.08112.19863.32825.05002.75892.7851
H93.23523.35862.27361.07832.11194.80304.39092.7851

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 105.734 C1 C2 H7 126.601
C1 O5 C4 105.901 C2 C1 O5 111.320
C2 C1 Cl6 132.200 C2 C3 C4 107.360
C2 C3 H8 126.325 C3 C2 H7 127.665
C3 C4 O5 109.684 C3 C4 H9 135.139
C4 C3 H8 126.315 O5 C1 Cl6 116.480
O5 C4 H9 115.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C -0.096      
3 C -0.093      
4 C -0.192      
5 O -0.128      
6 Cl 0.169      
7 H 0.216      
8 H 0.199      
9 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.970 -1.429 0.000 2.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.901 -0.317 0.000
y -0.317 -35.794 0.000
z 0.000 0.000 -43.211
Traceless
 xyz
x 0.602 -0.317 0.000
y -0.317 5.262 0.000
z 0.000 0.000 -5.864
Polar
3z2-r2-11.728
x2-y2-3.107
xy-0.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.420 -1.431 0.000
y -1.431 10.803 0.000
z 0.000 0.000 3.790


<r2> (average value of r2) Å2
<r2> 125.291
(<r2>)1/2 11.193