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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-726.136815
Energy at 298.15K-726.142828
HF Energy-725.554654
Nuclear repulsion energy282.144246
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 MP2/6-31G
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 3198 3060 24.93      
2 A 3177 3040 0.20      
3 A 3166 3029 14.21      
4 A 3117 2983 5.32      
5 A 3079 2946 10.41      
6 A 1775 1699 415.00      
7 A 1581 1513 4.89      
8 A 1571 1503 7.74      
9 A 1558 1491 7.49      
10 A 1495 1430 12.50      
11 A 1436 1374 25.29      
12 A 1331 1274 0.01      
13 A 1202 1150 5.87      
14 A 1166 1116 26.14      
15 A 1113 1065 491.77      
16 A 1036 992 33.06      
17 A 872 834 183.57      
18 A 861 824 0.78      
19 A 603 577 22.33      
20 A 578 553 113.36      
21 A 500 478 4.65      
22 A 374 358 41.48      
23 A 311 298 9.10      
24 A 257 246 0.94      
25 A 182 174 0.77      
26 A 101 97 2.96      
27 A 77 74 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 17859.0 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 17087.5 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 MP2/6-31G
ABC
0.15327 0.05772 0.04261

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.593 0.710 0.000
H2 1.187 -1.118 -0.894
H3 1.188 -1.117 0.896
C4 1.439 -0.540 0.000
H5 3.076 0.565 -0.892
H6 3.561 -0.902 -0.000
H7 3.077 0.566 0.891
C8 2.879 -0.040 -0.000
O9 -1.489 1.694 -0.000
Cl10 -1.544 -1.060 -0.000
C11 -0.763 0.713 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.12042.12031.51002.64303.37762.64292.40592.30232.77431.3559
H22.12041.79021.09452.53032.54573.09742.19593.98392.87452.8213
H32.12031.79021.09453.09742.54572.53042.19593.98412.87572.8217
C41.51001.09451.09452.16772.15222.16771.52383.68333.02812.5344
H52.64302.53033.09742.16771.78401.78271.09584.78634.97823.9446
H63.37762.54572.54572.15221.78401.78401.09905.67785.10734.6160
H72.64293.09742.53042.16771.78271.78401.09584.78654.97893.9448
C82.40592.19592.19591.52381.09581.09901.09584.69914.53863.7190
O92.30233.98393.98413.68334.78635.67784.78654.69912.75471.2200
Cl102.77432.87452.87573.02814.97825.10734.97894.53862.75471.9374
C111.35592.82132.82172.53443.94464.61603.94483.71901.22001.9374

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 107.939 O1 C4 H3 107.932
O1 C4 C8 104.939 O1 C11 O9 126.628
O1 C11 Cl10 113.615 H2 C4 H3 109.728
H2 C4 C8 112.978 H3 C4 C8 112.978
C4 O1 C11 124.252 C4 C8 H5 110.619
C4 C8 H6 109.213 C4 C8 H7 110.621
H5 C8 H6 108.743 H5 C8 H7 108.858
H6 C8 H7 108.743 O9 C11 Cl10 119.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability