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All results from a given calculation for C3H5ClO2 (Carbonochloridic acid, ethyl ester)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-725.563376
Energy at 298.15K-725.569725
Nuclear repulsion energy288.947613
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 HF/6-31G
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 3339 3015 27.21      
2 A 3303 2982 5.03      
3 A 3289 2970 25.09      
4 A 3266 2949 4.29      
5 A 3212 2900 16.35      
6 A 1971 1779 730.47      
7 A 1675 1512 5.12      
8 A 1655 1495 6.03      
9 A 1640 1480 8.03      
10 A 1591 1437 12.46      
11 A 1553 1402 16.37      
12 A 1429 1290 0.71      
13 A 1294 1169 9.46      
14 A 1277 1153 623.98      
15 A 1246 1125 36.24      
16 A 1105 997 64.54      
17 A 976 882 207.90      
18 A 913 825 0.48      
19 A 708 639 53.24      
20 A 644 581 138.95      
21 A 543 490 12.15      
22 A 463 418 14.38      
23 A 337 304 8.70      
24 A 261 236 1.19      
25 A 185 167 0.47      
26 A 102 92 2.44      
27 A 74 67 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 19024.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 17176.7 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 HF/6-31G
ABC
0.16840 0.05863 0.04420

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.569 0.626 -0.000
H2 1.217 -1.137 -0.881
H3 1.217 -1.137 0.881
C4 1.440 -0.557 -0.000
H5 3.031 0.582 -0.877
H6 3.553 -0.850 0.000
H7 3.031 0.582 0.877
C8 2.852 -0.023 0.000
O9 -1.413 1.649 0.000
Cl10 -1.564 -0.988 0.000
C11 -0.745 0.672 -0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.07472.07471.46982.61383.32902.61382.37372.23042.67471.3146
H22.07471.76281.07802.49912.51323.05602.16593.93122.92072.8097
H32.07471.76281.07803.05592.51322.49912.16593.93112.92062.8097
C41.46981.07801.07802.14452.13282.14461.50973.60693.03462.5069
H52.61382.49913.05592.14451.75881.75481.08094.65344.93413.8772
H63.32902.51322.51322.13281.75881.75881.08375.55915.11854.5590
H72.61383.05602.49912.14461.75481.75881.08094.65334.93403.8771
C82.37372.16592.16591.50971.08091.08371.08094.58124.52003.6634
O92.23043.93123.93113.60694.65345.55914.65334.58122.64151.1842
Cl102.67472.92072.92063.03464.93415.11854.93404.52002.64151.8505
C111.31462.80972.80972.50693.87724.55903.87713.66341.18421.8505

picture of Carbonochloridic acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H2 108.053 O1 C4 H3 108.054
O1 C4 C8 105.621 O1 C11 O9 126.315
O1 C11 Cl10 114.293 H2 C4 H3 109.685
H2 C4 C8 112.579 H3 C4 C8 112.578
C4 O1 C11 128.323 C4 C8 H5 110.660
C4 C8 H6 109.558 C4 C8 H7 110.661
H5 C8 H6 108.692 H5 C8 H7 108.525
H6 C8 H7 108.692 O9 C11 Cl10 119.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.684 -0.612    
2 H 0.204 -0.006    
3 H 0.204 -0.006    
4 C 0.017 0.481    
5 H 0.192 0.103    
6 H 0.169 0.078    
7 H 0.192 0.103    
8 C -0.460 -0.311    
9 O -0.440 -0.604    
10 Cl 0.007 -0.279    
11 C 0.599 1.054    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.072 -2.912 0.000 5.006
CHELPG 4.077 -2.828 0.000 4.962
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.958 0.350 0.000
y 0.350 -48.199 0.000
z 0.000 0.000 -41.392
Traceless
 xyz
x 1.837 0.350 0.000
y 0.350 -6.024 0.000
z 0.000 0.000 4.187
Polar
3z2-r28.373
x2-y25.241
xy0.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.687 0.139 -0.000
y 0.139 7.516 0.000
z -0.000 0.000 4.212


<r2> (average value of r2) Å2
<r2> 239.403
(<r2>)1/2 15.473