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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-689.579267
Energy at 298.15K-689.583099
HF Energy-689.579267
Nuclear repulsion energy265.892574
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 mPW1PW91/6-31+G**
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' 3337 3176 0.28      
2 A' 3318 3158 0.92      
3 A' 3298 3139 1.68      
4 A' 1632 1553 20.55      
5 A' 1541 1467 70.02      
6 A' 1429 1360 14.88      
7 A' 1264 1203 28.33      
8 A' 1233 1174 38.73      
9 A' 1170 1114 7.98      
10 A' 1110 1056 12.65      
11 A' 1040 990 25.76      
12 A' 945 900 30.67      
13 A' 899 856 1.41      
14 A' 505 481 5.49      
15 A' 319 304 0.74      
16 A" 883 841 0.00      
17 A" 813 774 24.62      
18 A" 742 706 71.97      
19 A" 635 604 5.49      
20 A" 612 582 5.33      
21 A" 228 217 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 13475.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 12826.3 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 mPW1PW91/6-31+G**
ABC
0.31019 0.07181 0.05831

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.268 0.000
C2 1.308 -0.100 0.000
C3 1.294 -1.531 0.000
C4 -0.012 -1.903 0.000
O5 -0.817 -0.804 0.000
Cl6 -0.752 1.795 0.000
H7 2.160 0.561 0.000
H8 2.148 -2.191 0.000
H9 -0.521 -2.852 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35862.21592.17101.34791.70242.17963.26473.1634
C21.35861.43142.23482.23872.79901.07812.25333.3048
C32.21591.43141.35772.23253.90512.26421.07932.2449
C42.17102.23481.35771.36243.77163.28462.17921.0771
O51.34792.23872.23251.36242.60003.27493.27342.0695
Cl61.70242.79903.90513.77162.60003.16274.92924.6532
H72.17961.07812.26423.28463.27493.16272.75164.3402
H83.26472.25331.07932.17923.27344.92922.75162.7501
H93.16343.30482.24491.07712.06954.65324.34022.7501

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 105.135 C1 C2 H7 126.498
C1 O5 C4 106.458 C2 C1 O5 111.616
C2 C1 Cl6 131.921 C2 C3 C4 106.470
C2 C3 H8 127.096 C3 C2 H7 128.368
C3 C4 O5 110.321 C3 C4 H9 134.113
C4 C3 H8 126.434 O5 C1 Cl6 116.463
O5 C4 H9 115.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.450      
2 C 0.110      
3 C -0.201      
4 C -0.063      
5 O -0.144      
6 Cl 0.208      
7 H 0.183      
8 H 0.177      
9 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.292 -1.176 0.000 1.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.774 -0.074 0.000
y -0.074 -36.224 0.000
z 0.000 0.000 -43.568
Traceless
 xyz
x 1.122 -0.074 0.000
y -0.074 4.947 0.000
z 0.000 0.000 -6.069
Polar
3z2-r2-12.139
x2-y2-2.550
xy-0.074
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.897 -1.144 0.000
y -1.144 10.983 0.000
z 0.000 0.000 5.301


<r2> (average value of r2) Å2
<r2> 178.992
(<r2>)1/2 13.379