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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-685.664702
Energy at 298.15K-685.668292
HF Energy-685.664702
Nuclear repulsion energy258.612882
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 PBEPBEultrafine/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' 3263 3233 0.52      
2 A' 3247 3217 1.27      
3 A' 3218 3189 0.88      
4 A' 1542 1528 27.55      
5 A' 1447 1434 38.80      
6 A' 1344 1331 21.10      
7 A' 1226 1215 7.58      
8 A' 1136 1126 26.72      
9 A' 1102 1092 21.25      
10 A' 1008 998 20.55      
11 A' 993 984 15.46      
12 A' 886 878 6.89      
13 A' 869 861 24.40      
14 A' 444 440 7.06      
15 A' 267 265 0.14      
16 A" 869 861 0.98      
17 A" 816 808 26.05      
18 A" 716 710 75.89      
19 A" 606 600 0.00      
20 A" 596 590 7.59      
21 A" 214 212 2.48      

Unscaled Zero Point Vibrational Energy (zpe) 12902.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 12785.3 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 PBEPBEultrafine/3-21G
ABC
0.29778 0.06725 0.05486

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.257 0.000
C2 1.322 -0.095 0.000
C3 1.342 -1.545 0.000
C4 0.038 -1.974 0.000
O5 -0.840 -0.858 0.000
Cl6 -0.791 1.855 0.000
H7 2.169 0.581 0.000
H8 2.227 -2.172 0.000
H9 -0.446 -2.942 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36762.24662.23151.39601.78282.19263.29573.2299
C21.36761.45012.27562.29242.87441.08332.26613.3513
C32.24661.45011.37252.28764.01312.28041.08522.2692
C42.23152.27561.37251.42053.91783.32632.19811.0823
O51.39602.29242.28761.42052.71333.33493.33732.1210
Cl61.78282.87444.01313.91782.71333.22185.03234.8093
H72.19261.08332.28043.32633.33493.22182.75314.3869
H83.29572.26611.08522.19813.33735.03232.75312.7823
H93.22993.35132.26921.08232.12104.80934.38692.7823

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 105.713 C1 C2 H7 126.525
C1 O5 C4 104.795 C2 C1 O5 112.094
C2 C1 Cl6 131.230 C2 C3 C4 107.425
C2 C3 H8 126.112 C3 C2 H7 127.762
C3 C4 O5 109.974 C3 C4 H9 134.822
C4 C3 H8 126.463 O5 C1 Cl6 116.676
O5 C4 H9 115.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 C -0.228      
3 C -0.245      
4 C 0.032      
5 O -0.410      
6 Cl 0.197      
7 H 0.220      
8 H 0.212      
9 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.540 -1.461 0.000 2.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.738 -0.030 0.000
y -0.030 -35.873 0.000
z 0.000 0.000 -43.935
Traceless
 xyz
x 1.166 -0.030 0.000
y -0.030 5.463 0.000
z 0.000 0.000 -6.629
Polar
3z2-r2-13.259
x2-y2-2.864
xy-0.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.384 -1.398 0.000
y -1.398 10.111 0.000
z 0.000 0.000 2.276


<r2> (average value of r2) Å2
<r2> 188.350
(<r2>)1/2 13.724