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

using model chemistry: HF/6-31G*

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/6-31G*
 hartrees
Energy at 0K-687.520946
Energy at 298.15K-687.525067
HF Energy-687.520946
Nuclear repulsion energy267.527179
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/6-31G*
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' 3493 3138 0.79      
2 A' 3465 3113 0.37      
3 A' 3445 3095 3.99      
4 A' 1783 1602 30.12      
5 A' 1679 1508 78.44      
6 A' 1542 1385 15.80      
7 A' 1373 1233 19.08      
8 A' 1318 1185 41.80      
9 A' 1239 1113 14.24      
10 A' 1191 1070 31.53      
11 A' 1101 989 19.09      
12 A' 1021 918 40.43      
13 A' 970 871 2.33      
14 A' 532 478 4.93      
15 A' 339 305 0.47      
16 A" 1007 905 0.20      
17 A" 933 838 17.62      
18 A" 853 766 61.27      
19 A" 705 633 5.37      
20 A" 657 591 10.27      
21 A" 252 227 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 14448.1 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 12981.6 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/6-31G*
ABC
0.31768 0.07226 0.05887

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.259 0.000
C2 1.294 -0.076 0.000
C3 1.301 -1.518 0.000
C4 0.017 -1.893 0.000
O5 -0.793 -0.812 0.000
Cl6 -0.773 1.781 0.000
H7 2.129 0.591 0.000
H8 2.156 -2.161 0.000
H9 -0.474 -2.841 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.33682.20232.15201.33311.70622.15503.24113.1358
C21.33681.44152.22032.21332.77831.06892.25573.2810
C32.20231.44151.33742.20993.89592.26551.07002.2130
C42.15202.22031.33741.35063.75713.26022.15581.0673
O51.33312.21332.20991.35062.59273.24193.24312.0536
Cl61.70622.77833.89593.75712.59273.13644.91034.6308
H72.15501.06892.26553.26023.24193.13642.75164.3067
H83.24112.25571.07002.15583.24314.91032.75162.7158
H93.13583.28102.21301.06732.05364.63084.30672.7158

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 104.807 C1 C2 H7 126.852
C1 O5 C4 106.614 C2 C1 O5 111.982
C2 C1 Cl6 131.464 C2 C3 C4 106.007
C2 C3 H8 127.206 C3 C2 H7 128.341
C3 C4 O5 110.591 C3 C4 H9 133.622
C4 C3 H8 126.787 O5 C1 Cl6 116.554
O5 C4 H9 115.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.205      
2 C -0.256      
3 C -0.266      
4 C 0.106      
5 O -0.525      
6 Cl 0.051      
7 H 0.233      
8 H 0.224      
9 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.529 -1.436 0.000 2.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.807 -0.099 0.000
y -0.099 -35.954 0.000
z 0.000 0.000 -43.292
Traceless
 xyz
x 0.816 -0.099 0.000
y -0.099 5.096 0.000
z 0.000 0.000 -5.912
Polar
3z2-r2-11.824
x2-y2-2.853
xy-0.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.738 -1.088 0.000
y -1.088 9.128 0.000
z 0.000 0.000 3.201


<r2> (average value of r2) Å2
<r2> 177.380
(<r2>)1/2 13.318