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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-719.461975
Energy at 298.15K-719.467640
Nuclear repulsion energy282.227126
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 B3LYP/STO-3G
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 3496 3120 0.04      
2 A 3490 3114 0.11      
3 A 3417 3050 0.53      
4 A 3323 2965 0.08      
5 A 3307 2951 1.13      
6 A 1922 1716 139.42      
7 A 1675 1495 3.72      
8 A 1662 1483 4.61      
9 A 1631 1456 9.85      
10 A 1563 1395 2.99      
11 A 1451 1295 30.48      
12 A 1349 1204 0.01      
13 A 1231 1098 91.81      
14 A 1210 1079 6.61      
15 A 1188 1060 164.61      
16 A 1088 971 65.12      
17 A 973 868 57.34      
18 A 863 770 1.54      
19 A 655 584 61.92      
20 A 559 499 12.47      
21 A 512 457 1.69      
22 A 430 384 3.14      
23 A 311 277 4.05      
24 A 206 184 0.37      
25 A 193 172 1.29      
26 A 99 89 0.88      
27 A 70 62 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 18937.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 16899.5 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 B3LYP/STO-3G
ABC
0.15087 0.05889 0.04306

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.597 0.798 0.000
H2 1.129 -1.069 -0.902
H3 1.129 -1.069 0.902
C4 1.381 -0.472 0.000
H5 3.109 0.543 -0.896
H6 3.503 -0.957 0.000
H7 3.108 0.543 0.896
C8 2.876 -0.052 0.000
O9 -1.561 1.661 0.000
Cl10 -1.471 -1.097 -0.000
C11 -0.800 0.687 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.14042.14041.49232.67903.39542.67902.43282.32392.80441.4008
H22.14041.80341.11052.55292.54253.12232.21353.93702.75162.7599
H32.14041.80341.11053.12232.54252.55292.21353.93702.75152.7598
C41.49231.11051.11052.19492.17752.19491.55313.63352.91912.4694
H52.67902.55293.12232.19491.79121.79181.10044.88454.94584.0123
H63.39542.54252.54252.17751.79121.79121.10105.70114.97604.6067
H72.67903.12232.55292.19491.79181.79121.10044.88444.94584.0122
C82.43282.21352.21351.55311.10041.10101.10044.75644.47053.7495
O92.32393.93703.93703.63354.88455.70114.88444.75642.75931.2358
Cl102.80442.75162.75152.91914.94584.97604.94584.47052.75931.9063
C111.40082.75992.75982.46944.01234.60674.01223.74951.23581.9063

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 109.779 O1 C4 H3 109.779
O1 C4 C8 106.024 O1 C11 O9 123.502
O1 C11 Cl10 115.135 H2 C4 H3 108.582
H2 C4 C8 111.326 H3 C4 C8 111.326
C4 O1 C11 117.165 C4 C8 H5 110.455
C4 C8 H6 109.067 C4 C8 H7 110.455
H5 C8 H6 108.910 H5 C8 H7 109.008
H6 C8 H7 108.910 O9 C11 Cl10 121.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.141      
2 H 0.102      
3 H 0.102      
4 C -0.031      
5 H 0.091      
6 H 0.091      
7 H 0.091      
8 C -0.221      
9 O -0.148      
10 Cl -0.199      
11 C 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.216 -0.439 0.000 3.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.503 -1.423 -0.000
y -1.423 -41.921 -0.001
z -0.000 -0.001 -37.555
Traceless
 xyz
x 0.235 -1.423 -0.000
y -1.423 -3.392 -0.001
z -0.000 -0.001 3.157
Polar
3z2-r26.314
x2-y22.418
xy-1.423
xz-0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.411 -0.078 0.000
y -0.078 4.887 0.000
z 0.000 0.000 2.042


<r2> (average value of r2) Å2
<r2> 241.765
(<r2>)1/2 15.549