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

using model chemistry: mPW1PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-689.685304
Energy at 298.15K-689.689179
HF Energy-689.685304
Nuclear repulsion energy266.761459
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/cc-pVTZ
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' 3309 3174 0.08      
2 A' 3295 3161 0.76      
3 A' 3274 3140 1.74      
4 A' 1625 1558 22.28      
5 A' 1533 1470 61.27      
6 A' 1422 1364 15.19      
7 A' 1257 1206 15.68      
8 A' 1225 1175 43.97      
9 A' 1166 1118 6.21      
10 A' 1104 1059 14.13      
11 A' 1034 992 24.98      
12 A' 945 907 28.15      
13 A' 903 866 1.81      
14 A' 504 483 4.89      
15 A' 316 303 0.46      
16 A" 895 859 0.10      
17 A" 824 790 20.30      
18 A" 749 718 59.94      
19 A" 648 622 3.36      
20 A" 621 596 7.03      
21 A" 231 222 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 13439.6 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 12891.3 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/cc-pVTZ
ABC
0.31263 0.07225 0.05868

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.266 0.000
C2 1.301 -0.103 0.000
C3 1.283 -1.531 0.000
C4 -0.016 -1.897 0.000
O5 -0.818 -0.801 0.000
Cl6 -0.742 1.793 0.000
H7 2.151 0.554 0.000
H8 2.133 -2.190 0.000
H9 -0.523 -2.845 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35222.20802.16361.34451.69762.17053.25373.1547
C21.35221.42732.22562.23092.78751.07482.24703.2926
C32.20801.42731.35062.22513.89222.25761.07612.2338
C42.16362.22561.35061.35883.76093.27202.16971.0744
O51.34452.23092.22511.35882.59443.26403.26272.0658
Cl61.69762.78753.89223.76092.59443.14814.91294.6430
H72.17051.07482.25763.27203.26403.14812.74404.3244
H83.25372.24701.07612.16973.26274.91292.74402.7356
H93.15473.29262.23381.07442.06584.64304.32442.7356

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 105.164 C1 C2 H7 126.467
C1 O5 C4 106.325 C2 C1 O5 111.640
C2 C1 Cl6 131.793 C2 C3 C4 106.453
C2 C3 H8 127.126 C3 C2 H7 128.369
C3 C4 O5 110.417 C3 C4 H9 133.873
C4 C3 H8 126.421 O5 C1 Cl6 116.566
O5 C4 H9 115.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.138      
2 C -0.145      
3 C -0.146      
4 C -0.010      
5 O -0.123      
6 Cl -0.076      
7 H 0.124      
8 H 0.114      
9 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.131 -1.145 0.000 1.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.418 -0.010 0.000
y -0.010 -36.089 0.000
z 0.000 0.000 -42.889
Traceless
 xyz
x 1.071 -0.010 0.000
y -0.010 4.564 0.000
z 0.000 0.000 -5.636
Polar
3z2-r2-11.272
x2-y2-2.329
xy-0.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.709 -1.201 0.000
y -1.201 11.129 0.000
z 0.000 0.000 4.841


<r2> (average value of r2) Å2
<r2> 177.770
(<r2>)1/2 13.333