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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-689.200102
Energy at 298.15K-689.203744
HF Energy-689.200102
Nuclear repulsion energy263.149315
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 PBEPBEultrafine/aug-cc-pVDZ
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' 3228 3208 0.26      
2 A' 3213 3193 0.59      
3 A' 3190 3170 1.70      
4 A' 1552 1543 18.43      
5 A' 1472 1463 59.60      
6 A' 1360 1352 10.78      
7 A' 1192 1184 2.75      
8 A' 1160 1153 58.63      
9 A' 1110 1104 3.60      
10 A' 1045 1039 14.39      
11 A' 992 986 26.27      
12 A' 898 893 24.13      
13 A' 862 857 1.14      
14 A' 483 480 5.17      
15 A' 302 300 0.64      
16 A" 816 811 0.14      
17 A" 754 749 24.50      
18 A" 688 684 57.59      
19 A" 598 595 3.69      
20 A" 592 589 6.48      
21 A" 214 213 1.81      

Unscaled Zero Point Vibrational Energy (zpe) 12860.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 12781.9 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.30284 0.07048 0.05717

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.272 0.000
C2 1.323 -0.097 0.000
C3 1.315 -1.536 0.000
C4 -0.001 -1.923 0.000
O5 -0.827 -0.816 0.000
Cl6 -0.768 1.808 0.000
H7 2.182 0.577 0.000
H8 2.184 -2.198 0.000
H9 -0.513 -2.886 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.37332.23532.19451.36641.71772.20293.29733.1991
C21.37331.43902.25542.26682.82871.09132.27113.3389
C32.23531.43901.37192.25953.93972.28321.09292.2723
C42.19452.25541.37191.38063.80883.31822.20271.0907
O51.36642.26682.25951.38062.62493.31523.31312.0935
Cl61.71772.82873.93973.80882.62493.19674.97684.7010
H72.20291.09132.28323.31823.31523.19672.77494.3873
H83.29732.27111.09292.20273.31314.97682.77492.7831
H93.19913.33892.27231.09072.09354.70104.38732.7831

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 105.260 C1 C2 H7 126.328
C1 O5 C4 106.040 C2 C1 O5 111.661
C2 C1 Cl6 132.139 C2 C3 C4 106.691
C2 C3 H8 127.005 C3 C2 H7 128.412
C3 C4 O5 110.348 C3 C4 H9 134.347
C4 C3 H8 126.304 O5 C1 Cl6 116.200
O5 C4 H9 115.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 C 1.204      
3 C 1.038      
4 C 0.073      
5 O -0.388      
6 Cl -0.196      
7 H -0.443      
8 H -0.479      
9 H -0.469      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.167 -1.077 0.000 1.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.175 -0.107 0.000
y -0.107 -36.815 0.000
z 0.000 0.000 -43.699
Traceless
 xyz
x 1.081 -0.107 0.000
y -0.107 4.622 0.000
z 0.000 0.000 -5.704
Polar
3z2-r2-11.407
x2-y2-2.361
xy-0.107
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.012 -1.292 0.000
y -1.292 12.751 0.000
z 0.000 0.000 6.422


<r2> (average value of r2) Å2
<r2> 182.318
(<r2>)1/2 13.503