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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-726.781186
Energy at 298.15K-726.787584
HF Energy-725.813527
Nuclear repulsion energy292.782934
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 MP2/6-311G**
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 3202 3042 23.22      
2 A 3186 3028 13.23      
3 A 3178 3019 2.02      
4 A 3117 2962 11.82      
5 A 3093 2939 10.16      
6 A 1888 1794 466.08      
7 A 1543 1466 6.37      
8 A 1521 1445 4.23      
9 A 1502 1427 7.13      
10 A 1453 1381 24.58      
11 A 1417 1346 5.55      
12 A 1339 1272 0.76      
13 A 1211 1151 518.69      
14 A 1200 1140 3.81      
15 A 1160 1103 24.13      
16 A 1072 1018 88.44      
17 A 945 898 101.17      
18 A 845 803 0.14      
19 A 675 642 16.44      
20 A 659 627 89.36      
21 A 537 510 2.18      
22 A 462 439 11.88      
23 A 339 322 4.79      
24 A 272 258 0.57      
25 A 204 194 0.09      
26 A 107 102 0.97      
27 A 106 100 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 18115.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 17213.7 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 MP2/6-311G**
ABC
0.16998 0.06154 0.04597

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.553 0.694 -0.000
H2 -1.150 -1.087 0.889
H3 -1.150 -1.087 -0.889
C4 -1.375 -0.495 -0.000
H5 -3.010 0.589 0.888
H6 -3.481 -0.875 0.000
H7 -3.011 0.589 -0.888
C8 -2.809 -0.013 0.000
O9 1.484 1.595 0.000
Cl10 1.458 -1.014 0.000
C11 0.777 0.640 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.07862.07861.44552.61553.32222.61542.36452.22702.63861.3306
H22.07861.77741.09162.50422.50313.07052.16703.86322.75692.7363
H32.07861.77741.09163.07052.50322.50432.16713.86342.75722.7365
C41.44551.09161.09162.15362.13982.15361.51283.54132.88082.4328
H52.61552.50423.07052.15361.77621.77621.09164.69034.83013.8903
H63.32222.50312.50322.13981.77621.77621.09335.54544.94124.5193
H72.61543.07052.50432.15361.77621.77621.09164.69054.83033.8905
C82.36452.16702.16711.51281.09161.09331.09164.58424.38353.6449
O92.22703.86323.86343.54134.69035.54544.69054.58422.60931.1884
Cl102.63862.75692.75722.88084.83014.94124.83034.38352.60931.7890
C111.33062.73632.73652.43283.89034.51933.89053.64491.18841.7890

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 109.234 O1 C4 H3 109.230
O1 C4 C8 106.102 O1 C11 O9 124.180
O1 C11 Cl10 114.724 H2 C4 H3 109.002
H2 C4 C8 111.597 H3 C4 C8 111.600
C4 O1 C11 122.350 C4 C8 H5 110.520
C4 C8 H6 109.332 C4 C8 H7 110.522
H5 C8 H6 108.769 H5 C8 H7 108.888
H6 C8 H7 108.768 O9 C11 Cl10 121.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability