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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-686.269616
Energy at 298.15K-686.273374
HF Energy-686.269616
Nuclear repulsion energy261.966425
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 TPSSh/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' 3333 3218 0.06      
2 A' 3306 3193 0.23      
3 A' 3281 3169 1.89      
4 A' 1575 1521 26.11      
5 A' 1479 1428 45.79      
6 A' 1382 1335 15.65      
7 A' 1261 1218 3.49      
8 A' 1165 1125 16.91      
9 A' 1125 1086 31.86      
10 A' 1034 998 16.24      
11 A' 1019 984 15.21      
12 A' 906 875 4.36      
13 A' 888 857 24.92      
14 A' 488 471 5.07      
15 A' 297 287 0.48      
16 A" 906 875 0.28      
17 A" 851 822 25.37      
18 A" 753 727 79.79      
19 A" 626 605 0.35      
20 A" 607 586 7.66      
21 A" 229 221 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 13254.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 12799.9 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 TPSSh/3-21G*
ABC
0.30092 0.06982 0.05667

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.286 0.000
C2 1.306 -0.110 0.000
C3 1.291 -1.557 0.000
C4 -0.015 -1.952 0.000
O5 -0.861 -0.818 0.000
Cl6 -0.730 1.830 0.000
H7 2.168 0.535 0.000
H8 2.155 -2.201 0.000
H9 -0.521 -2.899 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36532.25032.23801.40071.70752.18203.29133.2280
C21.36531.44622.26622.28042.81271.07642.25663.3343
C32.25031.44621.36472.27583.94382.26771.07782.2556
C42.23802.26621.36471.41453.84853.30872.18421.0744
O51.40072.28042.27581.41452.65143.31773.31832.1087
Cl61.70752.81273.94383.84852.65143.17394.95724.7338
H72.18201.07642.26773.30873.31773.17392.73644.3617
H83.29132.25661.07782.18423.31834.95722.73642.7655
H93.22803.33432.25561.07442.10874.73384.36172.7655

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 106.297 C1 C2 H7 126.265
C1 O5 C4 105.301 C2 C1 O5 111.053
C2 C1 Cl6 132.202 C2 C3 C4 107.421
C2 C3 H8 126.155 C3 C2 H7 127.437
C3 C4 O5 109.927 C3 C4 H9 134.931
C4 C3 H8 126.424 O5 C1 Cl6 116.745
O5 C4 H9 115.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 C -0.247      
3 C -0.267      
4 C 0.047      
5 O -0.461      
6 Cl 0.111      
7 H 0.233      
8 H 0.225      
9 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.453 -1.206 0.000 1.888
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.469 -1.228 0.000
y -1.228 10.011 0.000
z 0.000 0.000 2.515


<r2> (average value of r2) Å2
<r2> 183.109
(<r2>)1/2 13.532