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 CH3CHClCH3 (Propane, 2-chloro-)

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-36.119276
Energy at 298.15K-36.126943
HF Energy-36.119276
Nuclear repulsion energy71.592202
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 wB97X-D/CEP-31G*
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' 3174 3174 78.81 45.44 0.23 0.37
2 A' 3155 3155 61.63 85.37 0.64 0.78
3 A' 3139 3139 5.51 157.43 0.51 0.67
4 A' 3077 3077 38.14 280.02 0.02 0.03
5 A' 1519 1519 9.98 1.05 0.60 0.75
6 A' 1503 1503 7.55 18.90 0.75 0.86
7 A' 1434 1434 7.96 2.65 0.26 0.41
8 A' 1298 1298 47.31 8.65 0.72 0.83
9 A' 1188 1188 18.45 2.40 0.57 0.73
10 A' 1086 1086 22.76 6.57 0.49 0.66
11 A' 909 909 12.45 9.40 0.56 0.72
12 A' 643 643 35.06 16.04 0.24 0.39
13 A' 417 417 2.19 3.16 0.35 0.52
14 A' 337 337 1.69 1.63 0.61 0.76
15 A' 270 270 0.19 0.23 0.63 0.77
16 A" 3165 3165 20.82 36.29 0.75 0.86
17 A" 3146 3146 7.01 17.79 0.75 0.86
18 A" 3074 3074 22.96 2.56 0.75 0.86
19 A" 1497 1497 0.53 20.80 0.75 0.86
20 A" 1491 1491 1.75 5.76 0.75 0.86
21 A" 1430 1430 11.35 0.84 0.75 0.86
22 A" 1357 1357 1.00 4.91 0.75 0.86
23 A" 1161 1161 2.24 7.57 0.75 0.86
24 A" 955 955 0.02 3.23 0.75 0.86
25 A" 940 940 2.64 0.40 0.75 0.86
26 A" 322 322 1.60 2.01 0.75 0.86
27 A" 240 240 0.04 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20963.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20963.1 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 wB97X-D/CEP-31G*
ABC
0.26466 0.14835 0.10453

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.903 1.023 0.000
C2 0.579 -0.060 0.000
C3 0.579 -0.909 1.279
C4 0.579 -0.909 -1.279
H5 1.426 0.636 0.000
H6 1.490 -1.531 1.301
H7 1.490 -1.531 -1.301
H8 0.565 -0.275 2.178
H9 0.565 -0.275 -2.178
H10 -0.299 -1.574 1.302
H11 -0.299 -1.574 -1.302

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.83572.75072.75072.36143.73433.73432.92972.92972.96742.9674
C21.83571.53531.53531.09682.16482.16482.18832.18832.18092.1809
C32.75071.53532.55862.17751.10372.80601.09983.51471.10132.8062
C42.75071.53532.55862.17752.80601.10373.51471.09982.80621.1013
H52.36141.09682.17752.17752.52822.52822.51262.51263.09103.0910
H63.73432.16481.10372.80602.52822.60131.78983.81221.78953.1584
H73.73432.16482.80601.10372.52822.60133.81221.78983.15841.7895
H82.92972.18831.09983.51472.51261.78983.81224.35541.78923.8133
H92.92972.18833.51471.09982.51263.81221.78984.35543.81331.7892
H102.96742.18091.10132.80623.09101.78953.15841.78923.81332.6037
H112.96742.18092.80621.10133.09103.15841.78953.81331.78922.6037

picture of Propane, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 109.049 Cl1 C2 C4 109.049
Cl1 C3 H5 55.810 C2 C3 H6 109.135
C2 C3 H8 111.212 C2 C3 H10 110.536
C2 C4 H7 109.135 C2 C4 H9 111.212
C2 C4 H11 110.536 C3 C2 C4 112.869
C3 C2 H5 110.538 C4 C2 H5 110.538
H6 C3 H8 108.633 H6 C3 H10 108.503
H7 C4 H9 108.633 H7 C4 H11 108.503
H8 C3 H10 108.760 H9 C4 H11 108.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.194      
2 C -0.122      
3 C -0.407      
4 C -0.407      
5 H 0.183      
6 H 0.135      
7 H 0.135      
8 H 0.185      
9 H 0.185      
10 H 0.154      
11 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.918 -1.638 0.000 2.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.534 0.823 0.000
y 0.823 -32.802 0.000
z 0.000 0.000 -31.489
Traceless
 xyz
x 0.612 0.823 0.000
y 0.823 -1.291 0.000
z 0.000 0.000 0.679
Polar
3z2-r21.359
x2-y21.269
xy0.823
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.497 -1.351 0.000
y -1.351 6.331 0.000
z 0.000 0.000 5.958


<r2> (average value of r2) Å2
<r2> 90.477
(<r2>)1/2 9.512