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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-687.617518
Energy at 298.15K-687.621650
HF Energy-687.617518
Nuclear repulsion energy267.554369
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/TZVP
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' 3450 3135 0.08      
2 A' 3428 3115 0.84      
3 A' 3408 3097 2.73      
4 A' 1757 1597 28.12      
5 A' 1659 1508 89.96      
6 A' 1524 1385 20.81      
7 A' 1359 1235 17.27      
8 A' 1300 1181 46.72      
9 A' 1227 1115 14.80      
10 A' 1178 1070 36.13      
11 A' 1087 987 21.19      
12 A' 1019 925 37.62      
13 A' 972 883 1.96      
14 A' 526 478 5.81      
15 A' 338 307 0.52      
16 A" 998 907 0.07      
17 A" 928 843 15.07      
18 A" 847 769 81.69      
19 A" 701 637 3.42      
20 A" 650 590 9.05      
21 A" 251 228 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 14302.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 12994.9 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 HF/TZVP
ABC
0.31900 0.07210 0.05881

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.256 0.000
C2 1.292 -0.072 0.000
C3 1.305 -1.513 0.000
C4 0.027 -1.894 0.000
O5 -0.787 -0.816 0.000
Cl6 -0.781 1.780 0.000
H7 2.123 0.598 0.000
H8 2.162 -2.152 0.000
H9 -0.456 -2.845 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.33292.19832.14981.33041.71272.15053.23603.1343
C21.33291.44152.21832.20882.77961.06762.25483.2781
C32.19831.44151.33412.20553.89842.26441.06882.2078
C42.14982.21831.33411.35023.76173.25672.15101.0666
O51.33042.20882.20551.35022.59683.23623.23762.0556
Cl61.71272.77963.89843.76172.59683.13514.91144.6368
H72.15051.06762.26443.25673.23623.13512.75064.3020
H83.23602.25481.06882.15103.23764.91142.75062.7078
H93.13433.27812.20781.06662.05564.63684.30202.7078

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 104.752 C1 C2 H7 126.894
C1 O5 C4 106.634 C2 C1 O5 112.062
C2 C1 Cl6 131.346 C2 C3 C4 106.053
C2 C3 H8 127.235 C3 C2 H7 128.353
C3 C4 O5 110.499 C3 C4 H9 133.455
C4 C3 H8 126.712 O5 C1 Cl6 116.592
O5 C4 H9 116.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.027      
2 C -0.038      
3 C -0.171      
4 C 0.002      
5 O -0.156      
6 Cl -0.092      
7 H 0.154      
8 H 0.140      
9 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.497 -1.363 0.000 2.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.174 -0.073 0.000
y -0.073 -36.571 0.000
z 0.000 0.000 -43.791
Traceless
 xyz
x 1.007 -0.073 0.000
y -0.073 4.911 0.000
z 0.000 0.000 -5.918
Polar
3z2-r2-11.835
x2-y2-2.603
xy-0.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.344 -1.056 0.000
y -1.056 9.646 0.000
z 0.000 0.000 4.799


<r2> (average value of r2) Å2
<r2> 177.815
(<r2>)1/2 13.335