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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-689.620239
Energy at 298.15K-689.624069
HF Energy-689.620239
Nuclear repulsion energy265.524962
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3323 3185 0.26      
2 A' 3308 3170 0.95      
3 A' 3285 3148 1.64      
4 A' 1625 1557 20.65      
5 A' 1539 1475 63.55      
6 A' 1417 1358 13.60      
7 A' 1245 1194 21.09      
8 A' 1224 1173 41.06      
9 A' 1159 1111 4.82      
10 A' 1097 1051 13.23      
11 A' 1028 986 27.11      
12 A' 940 901 26.39      
13 A' 897 860 1.46      
14 A' 503 482 4.91      
15 A' 313 300 0.63      
16 A" 869 833 0.22      
17 A" 805 771 20.15      
18 A" 738 707 64.80      
19 A" 633 607 3.37      
20 A" 614 589 7.28      
21 A" 226 217 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 13393.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 12835.2 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/aug-cc-pVDZ
ABC
0.30936 0.07163 0.05816

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.267 0.000
C2 1.310 -0.098 0.000
C3 1.298 -1.531 0.000
C4 -0.008 -1.905 0.000
O5 -0.817 -0.806 0.000
Cl6 -0.757 1.796 0.000
H7 2.162 0.570 0.000
H8 2.156 -2.193 0.000
H9 -0.515 -2.860 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35972.21732.17151.34861.70622.18363.27113.1694
C21.35971.43322.23692.24172.80311.08252.25993.3114
C32.21731.43321.35912.23563.91032.27121.08392.2489
C42.17152.23691.35911.36383.77563.29162.18371.0819
O51.34862.24172.23561.36382.60293.28163.28052.0761
Cl61.70622.80313.91033.77562.60293.16654.93944.6626
H72.18361.08252.27123.29163.28163.16652.76264.3516
H83.27112.25991.08392.18373.28054.93942.76262.7538
H93.16943.31142.24891.08192.07614.66264.35162.7538

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 105.074 C1 C2 H7 126.407
C1 O5 C4 106.372 C2 C1 O5 111.731
C2 C1 Cl6 131.881 C2 C3 C4 106.444
C2 C3 H8 127.193 C3 C2 H7 128.519
C3 C4 O5 110.379 C3 C4 H9 133.923
C4 C3 H8 126.363 O5 C1 Cl6 116.388
O5 C4 H9 115.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.298      
2 C 1.043      
3 C 0.873      
4 C 0.108      
5 O -0.450      
6 Cl -0.199      
7 H -0.339      
8 H -0.377      
9 H -0.361      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.233 -1.166 0.000 1.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.724 -0.078 0.000
y -0.078 -36.390 0.000
z 0.000 0.000 -43.451
Traceless
 xyz
x 1.197 -0.078 0.000
y -0.078 4.697 0.000
z 0.000 0.000 -5.894
Polar
3z2-r2-11.788
x2-y2-2.333
xy-0.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.559 -1.192 0.000
y -1.192 12.002 0.000
z 0.000 0.000 6.213


<r2> (average value of r2) Å2
<r2> 179.419
(<r2>)1/2 13.395