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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-724.201798
Energy at 298.15K-724.207584
Nuclear repulsion energy280.406922
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 BLYP/3-21G
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 3098 3081 16.62      
2 A 3065 3049 3.33      
3 A 3061 3044 11.87      
4 A 3035 3018 1.85      
5 A 2998 2981 6.75      
6 A 1829 1819 317.76      
7 A 1535 1527 5.17      
8 A 1516 1507 8.47      
9 A 1512 1504 13.21      
10 A 1430 1422 9.39      
11 A 1352 1345 15.26      
12 A 1272 1265 0.00      
13 A 1134 1127 4.76      
14 A 1103 1097 14.08      
15 A 1066 1060 390.79      
16 A 963 957 23.43      
17 A 830 825 134.55      
18 A 825 821 2.74      
19 A 584 581 13.88      
20 A 558 555 102.76      
21 A 459 456 6.20      
22 A 343 341 28.51      
23 A 290 288 11.53      
24 A 238 237 0.54      
25 A 179 178 1.15      
26 A 103 103 1.85      
27 A 64 64 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 17220.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17126.1 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 BLYP/3-21G
ABC
0.14491 0.05848 0.04235

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.595 0.756 -0.002
H2 -1.138 -1.105 0.894
H3 -1.142 -1.101 -0.902
C4 -1.410 -0.533 -0.002
H5 -3.076 0.536 0.900
H6 -3.530 -0.947 0.001
H7 -3.080 0.541 -0.891
C8 -2.869 -0.065 0.002
O9 1.498 1.716 0.001
Cl10 1.525 -1.102 0.001
C11 0.748 0.769 -0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.13542.13521.52492.64903.39312.64822.41762.30252.81941.3436
H22.13541.79591.09732.53962.55823.10942.20773.96242.80902.8052
H32.13521.79591.09743.10942.55772.54002.20773.96512.81652.8083
C41.52491.09731.09742.17562.16012.17561.53243.67592.99012.5207
H52.64902.53963.10942.17561.79241.79171.10004.80834.96653.9359
H63.39312.55822.55772.16011.79241.79241.10225.68945.05804.6098
H72.64823.10942.54002.17561.79171.79241.10004.80984.97063.9377
C82.41762.20772.20771.53241.10001.10221.10004.71594.51533.7124
O92.30253.96243.96513.67594.80835.68944.80984.71592.81821.2075
Cl102.81942.80902.81652.99014.96655.05804.97064.51532.81822.0260
C111.34362.80522.80832.52073.93594.60983.93773.71241.20752.0260

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 107.931 O1 C4 H3 107.912
O1 C4 C8 104.508 O1 C11 O9 128.909
O1 C11 Cl10 111.993 H2 C4 H3 109.832
H2 C4 C8 113.137 H3 C4 C8 113.134
C4 O1 C11 122.860 C4 C8 H5 110.393
C4 C8 H6 109.057 C4 C8 H7 110.394
H5 C8 H6 108.957 H5 C8 H7 109.054
H6 C8 H7 108.954 O9 C11 Cl10 119.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.421      
2 H 0.235      
3 H 0.235      
4 C -0.164      
5 H 0.210      
6 H 0.199      
7 H 0.210      
8 C -0.541      
9 O -0.352      
10 Cl -0.165      
11 C 0.555      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.287 -0.888 -0.003 4.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.423 1.571 -0.002
y 1.571 -45.546 0.002
z -0.002 0.002 -41.047
Traceless
 xyz
x 0.873 1.571 -0.002
y 1.571 -3.811 0.002
z -0.002 0.002 2.938
Polar
3z2-r25.876
x2-y23.123
xy1.571
xz-0.002
yz0.002


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> 247.070
(<r2>)1/2 15.718