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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-727.849710
Energy at 298.15K-727.855951
Nuclear repulsion energy292.824348
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 B3PW91/6-31G(2df,p)
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 3157 3035 19.46      
2 A 3148 3026 11.91      
3 A 3125 3004 3.31      
4 A 3072 2953 11.22      
5 A 3062 2944 9.90      
6 A 1924 1850 474.45      
7 A 1509 1451 4.49      
8 A 1490 1432 5.31      
9 A 1477 1420 6.49      
10 A 1416 1361 11.04      
11 A 1389 1335 5.81      
12 A 1300 1250 1.19      
13 A 1219 1172 479.08      
14 A 1172 1126 3.56      
15 A 1136 1093 23.25      
16 A 1050 1010 64.96      
17 A 928 892 83.13      
18 A 816 784 1.34      
19 A 681 654 15.39      
20 A 653 627 88.03      
21 A 526 506 3.71      
22 A 451 434 10.27      
23 A 326 314 5.11      
24 A 253 244 0.39      
25 A 191 183 0.09      
26 A 114 110 0.44      
27 A 76 73 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 17830.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 17141.8 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 B3PW91/6-31G(2df,p)
ABC
0.17072 0.06122 0.04584

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.549 0.681 0.000
H2 1.153 -1.094 -0.887
H3 1.153 -1.094 0.887
C4 1.381 -0.497 0.000
H5 3.026 0.584 -0.887
H6 3.485 -0.883 0.000
H7 3.026 0.584 0.888
C8 2.815 -0.018 0.000
O9 -1.467 1.600 0.000
Cl10 -1.475 -1.007 -0.000
C11 -0.768 0.645 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.07402.07401.44172.63303.32672.63302.37172.21532.63511.3175
H22.07401.77471.09362.51492.50483.07802.17003.86052.77422.7385
H32.07401.77471.09363.07802.50482.51492.17003.86052.77432.7385
C41.44171.09361.09362.15922.13972.15921.51223.53602.90042.4332
H52.63302.51493.07802.15921.77451.77481.09294.69094.85523.8969
H63.32672.50482.50482.13971.77451.77451.09375.53944.96144.5194
H72.63303.07802.51492.15921.77481.77451.09294.69104.85523.8969
C82.37172.17002.17001.51221.09291.09371.09294.57754.40223.6441
O92.21533.86053.86053.53604.69095.53944.69104.57752.60671.1831
Cl102.63512.77422.77432.90044.85524.96144.85524.40222.60671.7968
C111.31752.73852.73852.43323.89694.51943.89693.64411.18311.7968

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 109.005 O1 C4 H3 109.005
O1 C4 C8 106.788 O1 C11 O9 124.645
O1 C11 Cl10 114.714 H2 C4 H3 108.466
H2 C4 C8 111.754 H3 C4 C8 111.754
C4 O1 C11 123.672 C4 C8 H5 110.933
C4 C8 H6 109.342 C4 C8 H7 110.933
H5 C8 H6 108.496 H5 C8 H7 108.574
H6 C8 H7 108.496 O9 C11 Cl10 120.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.217      
2 H 0.166      
3 H 0.166      
4 C -0.097      
5 H 0.166      
6 H 0.156      
7 H 0.166      
8 C -0.456      
9 O -0.275      
10 Cl -0.185      
11 C 0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.317 -1.999 0.000 3.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.940 0.970 -0.000
y 0.970 -44.631 -0.000
z -0.000 -0.000 -40.143
Traceless
 xyz
x 1.447 0.970 -0.000
y 0.970 -4.089 -0.000
z -0.000 -0.000 2.642
Polar
3z2-r25.285
x2-y23.691
xy0.970
xz-0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.326 0.053 0.000
y 0.053 8.188 -0.001
z 0.000 -0.001 5.514


<r2> (average value of r2) Å2
<r2> 230.807
(<r2>)1/2 15.192