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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-726.164519
Energy at 298.15K-726.170440
HF Energy-725.590583
Nuclear repulsion energy280.263178
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/SDD
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 3185 3074 34.71      
2 A 3158 3048 4.86      
3 A 3143 3034 23.73      
4 A 3094 2986 11.78      
5 A 3040 2934 18.14      
6 A 1729 1669 487.97      
7 A 1544 1491 5.72      
8 A 1536 1483 6.52      
9 A 1525 1472 8.94      
10 A 1469 1418 18.65      
11 A 1418 1369 28.07      
12 A 1305 1260 0.00      
13 A 1184 1143 6.33      
14 A 1145 1105 13.63      
15 A 1079 1042 460.16      
16 A 1014 978 56.96      
17 A 851 822 1.26      
18 A 846 817 193.68      
19 A 585 565 20.17      
20 A 566 546 102.54      
21 A 484 468 4.29      
22 A 366 353 33.62      
23 A 303 292 7.39      
24 A 248 239 0.83      
25 A 182 175 0.67      
26 A 103 99 2.85      
27 A 82 79 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 17591.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 16980.6 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/SDD
ABC
0.15050 0.05716 0.04210

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.596 0.722 -0.000
H2 -1.187 -1.116 0.903
H3 -1.187 -1.117 -0.901
C4 -1.443 -0.541 0.000
H5 -3.098 0.569 0.896
H6 -3.575 -0.910 0.000
H7 -3.098 0.568 -0.897
C8 -2.896 -0.038 -0.000
O9 1.508 1.704 0.000
Cl10 1.544 -1.074 -0.000
C11 0.773 0.721 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.13132.13131.52052.66213.39672.66222.42232.32182.79361.3686
H22.13131.80401.10002.54732.56093.11842.21244.00372.87682.8333
H32.13131.80401.09993.11822.56082.54712.21234.00412.87642.8335
C41.52051.10001.09992.18492.16392.18491.53753.70763.03392.5494
H52.66212.54733.11822.18491.79361.79351.10144.82765.00483.9758
H63.39672.56092.56082.16391.79361.79361.10495.71575.12164.6433
H72.66223.11842.54712.18491.79351.79361.10144.82805.00453.9759
C82.42232.21242.21231.53751.10141.10491.10144.73604.55893.7461
O92.32184.00374.00413.70764.82765.71574.82804.73602.77781.2279
Cl102.79362.87682.87643.03395.00485.12165.00454.55892.77781.9531
C111.36862.83332.83352.54943.97584.64333.97593.74611.22791.9531

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 107.756 O1 C4 H3 107.764
O1 C4 C8 104.765 O1 C11 O9 126.737
O1 C11 Cl10 113.321 H2 C4 H3 110.177
H2 C4 C8 112.988 H3 C4 C8 112.984
C4 O1 C11 123.782 C4 C8 H5 110.697
C4 C8 H6 108.856 C4 C8 H7 110.692
H5 C8 H6 108.769 H5 C8 H7 109.014
H6 C8 H7 108.767 O9 C11 Cl10 119.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability