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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-685.997128
Energy at 298.15K-686.000895
HF Energy-685.997128
Nuclear repulsion energy260.635924
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 B3PW91/3-21G
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' 3346 3216 0.64      
2 A' 3328 3199 1.86      
3 A' 3300 3172 0.85      
4 A' 1600 1538 28.73      
5 A' 1499 1441 41.40      
6 A' 1390 1336 20.62      
7 A' 1269 1220 9.79      
8 A' 1180 1134 32.65      
9 A' 1137 1093 16.71      
10 A' 1047 1007 17.26      
11 A' 1031 991 15.46      
12 A' 920 884 13.59      
13 A' 903 868 23.96      
14 A' 459 441 6.43      
15 A' 277 266 0.16      
16 A" 929 892 1.51      
17 A" 874 840 24.12      
18 A" 764 735 82.97      
19 A" 641 616 0.38      
20 A" 619 595 9.18      
21 A" 227 218 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 13369.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 12850.7 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 B3PW91/3-21G
ABC
0.30392 0.06813 0.05565

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.255 0.000
C2 1.309 -0.098 0.000
C3 1.325 -1.542 0.000
C4 0.030 -1.960 0.000
O5 -0.830 -0.848 0.000
Cl6 -0.779 1.846 0.000
H7 2.153 0.570 0.000
H8 2.201 -2.169 0.000
H9 -0.453 -2.920 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35612.23302.21591.38081.77102.17553.27443.2075
C21.35611.44422.25982.26692.85301.07552.25473.3274
C32.23301.44421.36142.26393.98812.26791.07722.2499
C42.21592.25981.36141.40553.89113.30272.18171.0743
O51.38082.26692.26391.40552.69443.30233.30622.1056
Cl61.77102.85303.98813.89112.69443.19764.99994.7767
H72.17551.07552.26793.30273.30233.19762.73874.3553
H83.27442.25471.07722.18173.30624.99992.73872.7590
H93.20753.32742.24991.07432.10564.77674.35532.7590

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 105.724 C1 C2 H7 126.545
C1 O5 C4 105.364 C2 C1 O5 111.844
C2 C1 Cl6 131.201 C2 C3 C4 107.271
C2 C3 H8 126.202 C3 C2 H7 127.731
C3 C4 O5 109.797 C3 C4 H9 134.623
C4 C3 H8 126.527 O5 C1 Cl6 116.956
O5 C4 H9 115.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C -0.255      
3 C -0.273      
4 C 0.046      
5 O -0.465      
6 Cl 0.204      
7 H 0.242      
8 H 0.233      
9 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.676 -1.547 0.000 2.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.762 -0.041 0.000
y -0.041 -35.729 0.000
z 0.000 0.000 -43.883
Traceless
 xyz
x 1.044 -0.041 0.000
y -0.041 5.594 0.000
z 0.000 0.000 -6.637
Polar
3z2-r2-13.275
x2-y2-3.033
xy-0.041
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.201 -1.312 0.000
y -1.312 9.683 0.000
z 0.000 0.000 2.230


<r2> (average value of r2) Å2
<r2> 185.984
(<r2>)1/2 13.638