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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-726.743947
Energy at 298.15K-726.750336
HF Energy-725.806173
Nuclear repulsion energy292.675124
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 3206 3047 24.27      
2 A 3188 3030 13.42      
3 A 3184 3026 0.68      
4 A 3123 2968 11.70      
5 A 3096 2942 10.48      
6 A 1888 1794 469.63      
7 A 1558 1481 6.19      
8 A 1537 1461 5.51      
9 A 1523 1448 9.58      
10 A 1463 1390 24.26      
11 A 1431 1360 8.35      
12 A 1346 1279 0.44      
13 A 1213 1152 517.70      
14 A 1207 1147 4.06      
15 A 1166 1108 29.28      
16 A 1070 1017 83.41      
17 A 947 900 104.42      
18 A 846 804 0.42      
19 A 676 642 16.73      
20 A 658 625 91.80      
21 A 537 510 2.79      
22 A 460 438 12.51      
23 A 339 322 5.09      
24 A 273 260 0.54      
25 A 204 194 0.09      
26 A 109 104 0.63      
27 A 105 100 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 18176.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17273.2 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
0.17002 0.06144 0.04591

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 -0.543 0.711 -0.000
H2 -1.127 -1.072 0.889
H3 -1.127 -1.072 -0.889
C4 -1.361 -0.485 -0.000
H5 -2.997 0.596 0.887
H6 -3.462 -0.868 0.000
H7 -2.997 0.596 -0.887
C8 -2.792 -0.005 0.000
O9 1.509 1.586 0.000
Cl10 1.426 -1.031 0.000
C11 0.778 0.650 -0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.07602.07601.44822.61133.31762.61132.35952.23122.62831.3228
H22.07601.77751.09092.50602.50623.07122.16833.84792.70332.7179
H32.07601.77751.09093.07122.50622.50602.16833.84792.70332.7179
C41.44821.09091.09092.15172.13502.15171.50913.53912.83972.4216
H52.61132.50603.07122.15171.77361.77371.09064.69764.79483.8780
H63.31762.50622.50622.13501.77361.77361.09255.54314.88984.5031
H72.61133.07122.50602.15171.77371.77361.09064.69764.79483.8780
C82.35952.16832.16831.50911.09061.09251.09064.58554.34043.6295
O92.23123.84793.84793.53914.69765.54314.69764.58552.61801.1874
Cl102.62832.70332.70332.83974.79484.88984.79484.34042.61801.8012
C111.32282.71792.71792.42163.87804.50313.87803.62951.18741.8012

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 108.875 O1 C4 H3 108.875
O1 C4 C8 105.836 O1 C11 O9 125.370
O1 C11 Cl10 113.682 H2 C4 H3 109.107
H2 C4 C8 112.011 H3 C4 C8 112.011
C4 O1 C11 121.771 C4 C8 H5 110.693
C4 C8 H6 109.255 C4 C8 H7 110.693
H5 C8 H6 108.667 H5 C8 H7 108.815
H6 C8 H7 108.667 O9 C11 Cl10 120.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability