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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-726.625052
Energy at 298.15K-726.631398
HF Energy-725.718623
Nuclear repulsion energy292.136121
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 MP2=FULL/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 3234 3047 16.82      
2 A 3217 3031 10.45      
3 A 3207 3021 4.90      
4 A 3142 2960 10.48      
5 A 3125 2944 7.97      
6 A 1892 1782 431.35      
7 A 1578 1487 4.01      
8 A 1562 1471 5.15      
9 A 1549 1460 7.24      
10 A 1482 1397 18.48      
11 A 1436 1353 10.72      
12 A 1340 1263 0.36      
13 A 1227 1156 515.87      
14 A 1215 1145 4.35      
15 A 1175 1107 25.86      
16 A 1077 1015 71.77      
17 A 952 897 98.84      
18 A 853 804 0.70      
19 A 673 634 18.90      
20 A 660 622 82.60      
21 A 540 509 2.71      
22 A 462 436 9.75      
23 A 338 318 5.04      
24 A 278 262 0.59      
25 A 199 188 0.09      
26 A 107 101 1.02      
27 A 92 87 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 18306.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 17247.9 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 MP2=FULL/6-31G*
ABC
0.16985 0.06115 0.04574

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.556 0.684 -0.000
H2 1.162 -1.098 -0.889
H3 1.162 -1.098 0.889
C4 1.388 -0.506 -0.000
H5 3.007 0.598 -0.887
H6 3.497 -0.859 0.000
H7 3.007 0.597 0.887
C8 2.813 -0.007 0.000
O9 -1.481 1.604 0.000
Cl10 -1.469 -1.010 0.000
C11 -0.777 0.635 -0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.08192.08191.45252.60813.32192.60812.36042.23492.64011.3335
H22.08191.77761.09172.50592.51023.07142.16913.88302.77822.7478
H32.08191.77761.09173.07142.51022.50592.16913.88302.77822.7478
C41.45251.09171.09172.15062.13852.15061.50933.56172.90112.4470
H52.60812.50593.07142.15061.77491.77421.09114.68414.83783.8864
H63.32192.51022.51022.13851.77491.77491.09315.55454.96844.5276
H72.60813.07142.50592.15061.77421.77491.09114.68414.83783.8864
C82.36042.16912.16911.50931.09111.09311.09114.58604.39743.6463
O92.23493.88303.88303.56174.68415.55454.68414.58602.61461.1985
Cl102.64012.77822.77822.90114.83784.96844.83784.39742.61461.7844
C111.33352.74782.74782.44703.88644.52763.88643.64631.19851.7844

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 109.009 O1 C4 H3 109.009
O1 C4 C8 105.665 O1 C11 O9 123.844
O1 C11 Cl10 114.957 H2 C4 H3 109.014
H2 C4 C8 112.015 H3 C4 C8 112.015
C4 O1 C11 122.827 C4 C8 H5 110.561
C4 C8 H6 109.481 C4 C8 H7 110.561
H5 C8 H6 108.703 H5 C8 H7 108.785
H6 C8 H7 108.703 O9 C11 Cl10 121.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability