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

using model chemistry: LSDA/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 LSDA/3-21G
 hartrees
Energy at 0K-721.782023
Energy at 298.15K-721.788109
Nuclear repulsion energy287.560924
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 LSDA/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 3103 3052 5.91      
2 A 3095 3044 2.89      
3 A 3065 3014 1.31      
4 A 3015 2966 2.96      
5 A 3010 2961 1.78      
6 A 1924 1893 350.68      
7 A 1506 1481 10.33      
8 A 1486 1462 15.83      
9 A 1484 1460 14.50      
10 A 1407 1384 25.93      
11 A 1349 1327 10.02      
12 A 1271 1250 0.01      
13 A 1170 1151 372.89      
14 A 1141 1122 6.68      
15 A 1123 1105 9.47      
16 A 1031 1014 40.75      
17 A 882 868 111.13      
18 A 825 811 5.99      
19 A 625 615 14.85      
20 A 600 591 103.79      
21 A 489 481 6.73      
22 A 384 378 25.67      
23 A 313 307 10.49      
24 A 252 248 0.49      
25 A 198 195 0.45      
26 A 121 119 1.70      
27 A 82 81 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 17476.3 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 17189.7 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 LSDA/3-21G
ABC
0.15277 0.06196 0.04484

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.562 0.741 0.000
H2 -1.105 -1.084 0.895
H3 -1.105 -1.084 -0.895
C4 -1.367 -0.495 0.000
H5 -3.002 0.579 0.895
H6 -3.472 -0.902 -0.000
H7 -3.002 0.578 -0.896
C8 -2.796 -0.030 -0.000
O9 1.513 1.657 -0.000
Cl10 1.442 -1.087 0.000
C11 0.759 0.728 0.000

Atom - Atom Distances (Å)
  O1 H2 H3 C4 H5 H6 H7 C8 O9 Cl10 C11
O12.10412.10411.47462.60373.34092.60372.36292.26852.71281.3215
H22.10411.79061.10362.52232.53643.09342.18443.89502.70012.7496
H32.10411.79061.10363.09342.53642.52232.18443.89502.70002.7496
C41.47461.10361.10362.15072.14312.15071.50233.59522.87122.4527
H52.60372.52233.09342.15071.79301.79111.10214.72734.82963.8690
H63.34092.53642.53642.14311.79301.79301.10315.60284.91694.5336
H72.60373.09342.52232.15071.79111.79301.10214.72734.82953.8690
C82.36292.18442.18441.50231.10211.10311.10214.62734.36793.6349
O92.26853.89503.89503.59524.72735.60284.72734.62732.74531.1967
Cl102.71282.70012.70002.87124.82964.91694.82954.36792.74531.9391
C111.32152.74962.74962.45273.86904.53363.86903.63491.19671.9391

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 108.541 O1 C4 H3 108.541
O1 C4 C8 105.070 O1 C11 O9 128.466
O1 C11 Cl10 111.192 H2 C4 H3 108.439
H2 C4 C8 113.023 H3 C4 C8 113.023
C4 O1 C11 122.516 C4 C8 H5 110.392
C4 C8 H6 109.741 C4 C8 H7 110.392
H5 C8 H6 108.793 H5 C8 H7 108.689
H6 C8 H7 108.793 O9 C11 Cl10 120.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.412      
2 H 0.268      
3 H 0.268      
4 C -0.249      
5 H 0.248      
6 H 0.237      
7 H 0.248      
8 C -0.653      
9 O -0.340      
10 Cl -0.090      
11 C 0.477      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.977 -1.133 0.000 4.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.221 0.894 0.000
y 0.894 -45.516 0.000
z 0.000 0.000 -40.989
Traceless
 xyz
x 1.032 0.894 0.000
y 0.894 -3.911 0.000
z 0.000 0.000 2.879
Polar
3z2-r25.758
x2-y23.295
xy0.894
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.411 -0.143 -0.000
y -0.143 7.674 -0.000
z -0.000 -0.000 4.115


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000