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

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-687.560021
Energy at 298.15K-687.564148
HF Energy-687.560021
Nuclear repulsion energy267.100793
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 HF/cc-pVDZ
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' 3464 3145 0.12      
2 A' 3441 3125 0.78      
3 A' 3419 3104 3.08      
4 A' 1770 1607 33.85      
5 A' 1674 1520 83.21      
6 A' 1522 1382 17.24      
7 A' 1343 1220 25.36      
8 A' 1301 1182 39.11      
9 A' 1225 1112 10.70      
10 A' 1176 1067 30.98      
11 A' 1080 981 28.71      
12 A' 1013 920 34.87      
13 A' 965 877 1.89      
14 A' 528 479 5.62      
15 A' 335 305 0.41      
16 A" 996 904 0.39      
17 A" 920 835 14.86      
18 A" 843 765 62.87      
19 A" 704 640 4.59      
20 A" 655 595 10.77      
21 A" 251 228 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 14312.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 12996.1 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 HF/cc-pVDZ
ABC
0.31625 0.07210 0.05871

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.258 0.000
C2 1.297 -0.079 0.000
C3 1.299 -1.523 0.000
C4 0.010 -1.894 0.000
O5 -0.797 -0.810 0.000
Cl6 -0.769 1.784 0.000
H7 2.137 0.593 0.000
H8 2.156 -2.176 0.000
H9 -0.484 -2.848 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.34012.20472.15151.33191.70942.16303.25133.1430
C21.34011.44452.22492.21762.78231.07542.26633.2923
C32.20471.44451.34132.21403.90122.27621.07682.2214
C42.15152.22491.34131.35123.75973.27222.16401.0744
O51.33192.21762.21401.35122.59423.25163.25312.0617
Cl61.70942.78233.90123.75972.59423.14074.92354.6408
H72.16301.07542.27623.27223.25163.14072.76944.3253
H83.25132.26631.07682.16403.25314.92352.76942.7238
H93.14303.29232.22141.07442.06174.64084.32532.7238

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 104.634 C1 C2 H7 126.785
C1 O5 C4 106.614 C2 C1 O5 112.182
C2 C1 Cl6 131.289 C2 C3 C4 105.942
C2 C3 H8 127.411 C3 C2 H7 128.581
C3 C4 O5 110.628 C3 C4 H9 133.420
C4 C3 H8 126.647 O5 C1 Cl6 116.529
O5 C4 H9 115.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C -0.029      
3 C -0.069      
4 C 0.176      
5 O -0.304      
6 Cl -0.078      
7 H 0.038      
8 H 0.037      
9 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.377 -1.379 0.000 1.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.887 -0.007 0.000
y -0.007 -36.339 0.000
z 0.000 0.000 -43.597
Traceless
 xyz
x 1.081 -0.007 0.000
y -0.007 4.903 0.000
z 0.000 0.000 -5.984
Polar
3z2-r2-11.967
x2-y2-2.548
xy-0.007
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.880 -1.107 0.000
y -1.107 9.480 0.000
z 0.000 0.000 3.412


<r2> (average value of r2) Å2
<r2> 177.990
(<r2>)1/2 13.341