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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-689.666116
Energy at 298.15K-689.669955
HF Energy-689.666116
Nuclear repulsion energy266.201305
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/TZVP
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' 3317 3165 0.39      
2 A' 3301 3149 1.32      
3 A' 3281 3130 1.33      
4 A' 1625 1550 21.98      
5 A' 1534 1464 67.40      
6 A' 1421 1356 17.47      
7 A' 1259 1201 15.39      
8 A' 1222 1166 49.69      
9 A' 1164 1111 8.15      
10 A' 1104 1053 15.82      
11 A' 1036 989 26.64      
12 A' 947 904 30.16      
13 A' 906 864 1.04      
14 A' 501 478 5.85      
15 A' 318 303 0.52      
16 A" 869 829 0.02      
17 A" 814 776 20.66      
18 A" 745 710 66.68      
19 A" 637 608 4.85      
20 A" 606 578 4.31      
21 A" 228 217 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 13416.7 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 12799.5 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/TZVP
ABC
0.31212 0.07181 0.05838

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.263 0.000
C2 1.302 -0.101 0.000
C3 1.290 -1.530 0.000
C4 -0.009 -1.902 0.000
O5 -0.816 -0.806 0.000
Cl6 -0.750 1.797 0.000
H7 2.153 0.558 0.000
H8 2.144 -2.186 0.000
H9 -0.514 -2.851 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35242.20882.16561.34541.70742.17273.25523.1569
C21.35241.42842.22782.23242.79591.07592.24823.2959
C32.20881.42841.35142.22643.90252.25871.07712.2364
C42.16562.22781.35141.36073.77283.27492.17171.0752
O51.34542.23242.22641.36072.60443.26703.26552.0671
Cl61.70742.79593.90253.77282.60443.15644.92364.6545
H72.17271.07592.25873.27493.26703.15642.74384.3284
H83.25522.24821.07712.17173.26554.92362.74382.7402
H93.15693.29592.23641.07522.06714.65454.32842.7402

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 105.145 C1 C2 H7 126.578
C1 O5 C4 106.314 C2 C1 O5 111.683
C2 C1 Cl6 131.710 C2 C3 C4 106.501
C2 C3 H8 127.043 C3 C2 H7 128.277
C3 C4 O5 110.357 C3 C4 H9 134.019
C4 C3 H8 126.456 O5 C1 Cl6 116.607
O5 C4 H9 115.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 C -0.052      
3 C -0.147      
4 C -0.059      
5 O -0.080      
6 Cl -0.053      
7 H 0.150      
8 H 0.137      
9 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.255 -1.169 0.000 1.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.679 -0.070 0.000
y -0.070 -36.091 0.000
z 0.000 0.000 -43.224
Traceless
 xyz
x 0.978 -0.070 0.000
y -0.070 4.861 0.000
z 0.000 0.000 -5.839
Polar
3z2-r2-11.678
x2-y2-2.588
xy-0.070
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.512 -1.148 0.000
y -1.148 10.656 0.000
z 0.000 0.000 4.878


<r2> (average value of r2) Å2
<r2> 178.668
(<r2>)1/2 13.367