Sorry, I lost your molecule, please back up and select it again.
return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for (1-chloroethyl radical)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-538.603332
Energy at 298.15K-538.606797
HF Energy-538.435901
Nuclear repulsion energy95.000779
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 B2PLYP/cc-pVTZ
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 3242 3111 5.89      
2 A 3128 3001 11.36      
3 A 3080 2955 13.23      
4 A 3005 2883 19.53      
5 A 1495 1435 2.71      
6 A 1477 1417 8.29      
7 A 1419 1362 5.08      
8 A 1312 1258 39.46      
9 A 1125 1079 3.82      
10 A 1047 1004 18.47      
11 A 1011 970 0.77      
12 A 737 707 26.60      
13 A 384 368 19.84      
14 A 319 306 12.49      
15 A 152 146 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 11466.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11001.2 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 B2PLYP/cc-pVTZ
ABC
1.41834 0.18478 0.16881

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.446 0.599 -0.065
C2 1.645 -0.265 0.008
Cl3 -1.111 -0.128 0.005
H4 0.454 1.652 0.163
H5 1.590 -1.079 -0.715
H6 2.539 0.323 -0.197
H7 1.763 -0.720 0.998

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48001.72051.07662.13262.11502.1459
C21.48002.75992.26181.09011.08891.0956
Cl31.72052.75992.37552.95313.68333.0975
H41.07662.26182.37553.08492.49822.8346
H52.13261.09012.95313.08491.76981.7583
H62.11501.08893.68332.49821.76981.7655
H72.14591.09563.09752.83461.75831.7655

picture of 1-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.244 C1 C2 H6 109.897
C1 C2 H7 111.979 C2 C1 Cl3 118.968
C2 C1 H4 123.661 H5 C2 H6 108.632
H5 C2 H7 107.115 H6 C2 H7 107.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 C -0.284      
3 Cl -0.092      
4 H 0.156      
5 H 0.123      
6 H 0.114      
7 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.476 0.344 0.222 1.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.084 0.334 0.051
y 0.334 -25.001 0.384
z 0.051 0.384 -26.739
Traceless
 xyz
x 0.786 0.334 0.051
y 0.334 0.911 0.384
z 0.051 0.384 -1.697
Polar
3z2-r2-3.394
x2-y2-0.083
xy0.334
xz0.051
yz0.384


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.882 0.327 -0.000
y 0.327 4.897 -0.018
z -0.000 -0.018 4.000


<r2> (average value of r2) Å2
<r2> 75.680
(<r2>)1/2 8.699