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

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-685.650158
Energy at 298.15K-685.653878
HF Energy-685.470192
Nuclear repulsion energy259.250853
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 B2PLYP/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' 3356 3356 0.33      
2 A' 3335 3335 1.25      
3 A' 3309 3309 0.75      
4 A' 1587 1587 22.12      
5 A' 1489 1489 38.82      
6 A' 1390 1390 21.15      
7 A' 1280 1280 8.78      
8 A' 1178 1178 19.72      
9 A' 1122 1122 31.15      
10 A' 1035 1035 18.20      
11 A' 1019 1019 15.60      
12 A' 918 918 5.48      
13 A' 897 897 30.49      
14 A' 448 448 5.38      
15 A' 273 273 0.10      
16 A" 900 900 1.12      
17 A" 862 862 23.64      
18 A" 759 759 73.04      
19 A" 634 634 0.54      
20 A" 615 615 8.83      
21 A" 222 222 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 13314.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13314.0 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 B2PLYP/3-21G
ABC
0.30189 0.06722 0.05498

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.254 0.000
C2 1.316 -0.081 0.000
C3 1.355 -1.530 0.000
C4 0.065 -1.972 0.000
O5 -0.821 -0.867 0.000
Cl6 -0.813 1.847 0.000
H7 2.148 0.597 0.000
H8 2.240 -2.141 0.000
H9 -0.404 -2.937 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35792.24072.22751.39011.78812.17483.27963.2165
C21.35791.44942.26692.27682.87241.07372.25773.3329
C32.24071.44941.36342.27494.01322.27061.07532.2517
C42.22752.26691.36341.41653.91863.30752.18121.0723
O51.39012.27682.27491.41652.71393.31043.31562.1112
Cl61.78812.87244.01323.91862.71393.21375.02264.8009
H72.17481.07372.27063.30753.31043.21372.74044.3587
H83.27962.25771.07532.18123.31565.02262.74042.7603
H93.21653.33292.25171.07232.11124.80094.35872.7603

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 105.868 C1 C2 H7 126.463
C1 O5 C4 105.057 C2 C1 O5 111.893
C2 C1 Cl6 131.377 C2 C3 C4 107.362
C2 C3 H8 126.180 C3 C2 H7 127.669
C3 C4 O5 109.820 C3 C4 H9 134.825
C4 C3 H8 126.459 O5 C1 Cl6 116.730
O5 C4 H9 115.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 C -0.241      
3 C -0.251      
4 C 0.066      
5 O -0.463      
6 Cl 0.172      
7 H 0.222      
8 H 0.213      
9 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.721 -1.560 0.000 2.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.361 -0.105 0.000
y -0.105 -36.343 0.000
z 0.000 0.000 -44.050
Traceless
 xyz
x 0.835 -0.105 0.000
y -0.105 5.363 0.000
z 0.000 0.000 -6.198
Polar
3z2-r2-12.397
x2-y2-3.019
xy-0.105
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.232 -1.356 0.000
y -1.356 9.566 0.000
z 0.000 0.000 2.169


<r2> (average value of r2) Å2
<r2> 188.166
(<r2>)1/2 13.717