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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-727.726341
Energy at 298.15K-727.718559
HF Energy-728.003482
Nuclear repulsion energy291.489828
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/6-31G(2df,p)
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 3141 3031 24.51      
2 A 3129 3019 14.51      
3 A 3115 3006 1.09      
4 A 3068 2960 10.35      
5 A 3053 2946 10.73      
6 A 1913 1846 468.19      
7 A 1516 1463 4.17      
8 A 1495 1443 5.21      
9 A 1484 1432 5.55      
10 A 1421 1371 9.85      
11 A 1398 1349 5.73      
12 A 1301 1255 1.16      
13 A 1199 1157 482.91      
14 A 1176 1135 3.53      
15 A 1133 1093 21.43      
16 A 1033 997 58.08      
17 A 921 889 95.65      
18 A 819 790 0.87      
19 A 673 650 15.87      
20 A 638 616 92.11      
21 A 521 503 3.74      
22 A 438 423 13.73      
23 A 324 313 5.52      
24 A 252 244 0.42      
25 A 190 183 0.13      
26 A 112 108 0.45      
27 A 75 72 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 17768.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17146.2 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 B3LYP/6-31G(2df,p)
ABC
0.16898 0.06060 0.04537

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.555 0.679 0.000
H2 1.159 -1.100 -0.887
H3 1.159 -1.101 0.888
C4 1.390 -0.506 0.000
H5 3.036 0.579 -0.887
H6 3.498 -0.888 0.000
H7 3.036 0.579 0.888
C8 2.827 -0.024 0.000
O9 -1.459 1.612 0.000
Cl10 -1.492 -1.009 -0.000
C11 -0.765 0.655 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.07842.07841.44982.63733.33442.63732.37862.21972.65271.3194
H22.07841.77501.09272.51862.51093.08122.17463.87332.79702.7511
H32.07841.77501.09273.08122.51092.51862.17463.87342.79712.7511
C41.44981.09271.09272.16242.14282.16241.51623.55032.92492.4470
H52.63732.51863.08122.16241.77501.77491.09294.69744.87963.9037
H63.33442.51092.51092.14281.77501.77501.09375.55214.99154.5331
H72.63733.08122.51862.16241.77491.77501.09294.69744.87973.9037
C82.37862.17462.17461.51621.09291.09371.09294.58804.42973.6551
O92.21973.87333.87343.55034.69745.55214.69744.58802.62121.1831
Cl102.65272.79702.79712.92494.87964.99154.87974.42972.62121.8154
C111.31942.75112.75112.44703.90374.53313.90373.65511.18311.8154

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 109.077 O1 C4 H3 109.077
O1 C4 C8 106.978 O1 C11 O9 124.673
O1 C11 Cl10 114.365 H2 C4 H3 108.504
H2 C4 C8 111.574 H3 C4 C8 111.574
C4 O1 C11 124.420 C4 C8 H5 110.774
C4 C8 H6 109.494 C4 C8 H7 110.774
H5 C8 H6 108.582 H5 C8 H7 108.575
H6 C8 H7 108.582 O9 C11 Cl10 120.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.196      
2 H 0.142      
3 H 0.142      
4 C -0.048      
5 H 0.142      
6 H 0.132      
7 H 0.142      
8 C -0.389      
9 O -0.253      
10 Cl -0.207      
11 C 0.392      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.354 -1.947 0.000 3.878
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 232.999
(<r2>)1/2 15.264