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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-689.566047
Energy at 298.15K-689.569863
HF Energy-689.566047
Nuclear repulsion energy265.955990
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 mPW1PW91/6-31G*
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' 3342 3169 0.02      
2 A' 3324 3152 0.34      
3 A' 3303 3132 2.03      
4 A' 1645 1560 22.04      
5 A' 1550 1469 59.41      
6 A' 1440 1365 14.56      
7 A' 1274 1208 26.34      
8 A' 1241 1177 36.43      
9 A' 1179 1118 8.08      
10 A' 1117 1059 13.14      
11 A' 1047 993 22.62      
12 A' 948 899 33.07      
13 A' 901 855 1.26      
14 A' 505 479 5.04      
15 A' 318 302 0.44      
16 A" 878 833 0.04      
17 A" 812 770 25.63      
18 A" 741 703 48.38      
19 A" 637 604 6.19      
20 A" 616 584 4.61      
21 A" 228 217 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 13522.0 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 12822.9 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 mPW1PW91/6-31G*
ABC
0.31036 0.07183 0.05833

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.266 0.000
C2 1.307 -0.099 0.000
C3 1.295 -1.530 0.000
C4 -0.009 -1.901 0.000
O5 -0.817 -0.806 0.000
Cl6 -0.754 1.795 0.000
H7 2.160 0.562 0.000
H8 2.151 -2.187 0.000
H9 -0.520 -2.850 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35752.21392.16731.34761.70432.17973.26293.1595
C21.35751.43042.23182.23852.79921.07852.25203.3024
C32.21391.43041.35622.23223.90492.26301.07972.2441
C42.16732.23181.35621.36073.77013.28182.17941.0775
O51.34762.23852.23221.36072.60123.27543.27362.0660
Cl61.70432.79923.90493.77012.60123.16364.92894.6509
H72.17971.07852.26303.28183.27543.16362.74904.3381
H83.26292.25201.07972.17943.27364.92892.74902.7517
H93.15953.30242.24411.07752.06604.65094.33812.7517

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 105.116 C1 C2 H7 126.586
C1 O5 C4 106.307 C2 C1 O5 111.688
C2 C1 Cl6 131.866 C2 C3 C4 106.402
C2 C3 H8 127.027 C3 C2 H7 128.298
C3 C4 O5 110.488 C3 C4 H9 134.154
C4 C3 H8 126.571 O5 C1 Cl6 116.446
O5 C4 H9 115.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.129      
2 C -0.209      
3 C -0.222      
4 C 0.056      
5 O -0.400      
6 Cl 0.060      
7 H 0.197      
8 H 0.189      
9 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.259 -1.265 0.000 1.785
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.026 -0.029 0.000
y -0.029 -35.466 0.000
z 0.000 0.000 -42.589
Traceless
 xyz
x 1.002 -0.029 0.000
y -0.029 4.841 0.000
z 0.000 0.000 -5.843
Polar
3z2-r2-11.686
x2-y2-2.560
xy-0.029
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.831 -1.193 0.000
y -1.193 10.031 0.000
z 0.000 0.000 3.272


<r2> (average value of r2) Å2
<r2> 178.422
(<r2>)1/2 13.357