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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-578.780007
Energy at 298.15K-578.787731
HF Energy-578.780007
Nuclear repulsion energy166.008679
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 mPW1PW91/6-311G**
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' 3157 3020 25.63 58.71 0.50 0.67
2 A' 3137 3001 36.41 101.44 0.72 0.84
3 A' 3109 2974 1.64 140.15 0.46 0.63
4 A' 3058 2926 19.64 274.51 0.01 0.03
5 A' 1508 1443 8.30 1.97 0.75 0.86
6 A' 1494 1429 9.53 13.11 0.74 0.85
7 A' 1422 1361 7.77 1.22 0.72 0.84
8 A' 1300 1244 35.94 7.57 0.73 0.85
9 A' 1189 1138 18.68 1.12 0.71 0.83
10 A' 1087 1040 19.70 4.74 0.47 0.64
11 A' 909 869 10.94 6.86 0.63 0.77
12 A' 632 604 32.86 15.51 0.27 0.43
13 A' 422 404 2.22 1.11 0.25 0.40
14 A' 339 324 1.87 1.40 0.72 0.84
15 A' 274 262 0.12 0.04 0.65 0.79
16 A" 3152 3016 12.58 44.75 0.75 0.86
17 A" 3129 2993 1.87 15.63 0.75 0.86
18 A" 3054 2922 11.46 3.26 0.75 0.86
19 A" 1487 1422 0.59 15.22 0.75 0.86
20 A" 1480 1416 1.90 4.63 0.75 0.86
21 A" 1411 1349 15.40 1.35 0.75 0.86
22 A" 1361 1302 0.85 2.52 0.75 0.86
23 A" 1163 1113 2.77 3.26 0.75 0.86
24 A" 957 915 0.03 1.50 0.75 0.86
25 A" 943 903 1.91 0.13 0.75 0.86
26 A" 324 310 1.56 1.26 0.75 0.86
27 A" 245 235 0.09 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20870.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19966.9 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 mPW1PW91/6-311G**
ABC
0.27020 0.15152 0.10661

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.888 1.019 0.000
C2 0.569 -0.072 0.000
C3 0.569 -0.901 1.266
C4 0.569 -0.901 -1.266
H5 1.412 0.619 0.000
H6 1.468 -1.522 1.295
H7 1.468 -1.522 -1.295
H8 0.559 -0.269 2.154
H9 0.559 -0.269 -2.154
H10 -0.303 -1.557 1.300
H11 -0.303 -1.557 -1.300

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.81982.72222.72222.33443.69933.69932.89702.89702.94372.9437
C21.81981.51351.51351.09022.14202.14202.16322.16322.15732.1573
C32.72221.51352.53282.15031.09372.78501.09013.47861.09162.7884
C42.72221.51352.53282.15032.78501.09373.47861.09012.78841.0916
H52.33441.09022.15032.15032.50232.50232.48082.48083.06013.0601
H63.69932.14201.09372.78502.50232.58991.77083.78071.77223.1421
H73.69932.14202.78501.09372.50232.58993.78071.77083.14211.7722
H82.89702.16321.09013.47862.48081.77083.78074.30841.77053.7860
H92.89702.16323.47861.09012.48083.78071.77084.30843.78601.7705
H102.94372.15731.09162.78843.06011.77223.14211.77053.78602.5993
H112.94372.15732.78841.09163.06013.14211.77223.78601.77052.5993

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 109.166 Cl1 C2 C4 109.166
Cl1 C3 H5 55.774 C2 C3 H6 109.434
C2 C3 H8 111.335 C2 C3 H10 110.766
C2 C4 H7 109.434 C2 C4 H9 111.335
C2 C4 H11 110.766 C3 C2 C4 113.599
C3 C2 H5 110.300 C4 C2 H5 110.300
H6 C3 H8 108.361 H6 C3 H10 108.371
H7 C4 H9 108.361 H7 C4 H11 108.371
H8 C3 H10 108.494 H9 C4 H11 108.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.111      
2 C -0.336      
3 C -0.288      
4 C -0.288      
5 H 0.192      
6 H 0.127      
7 H 0.127      
8 H 0.148      
9 H 0.148      
10 H 0.141      
11 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.826 -1.557 0.000 2.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.090 0.712 0.000
y 0.712 -34.041 0.000
z 0.000 0.000 -32.644
Traceless
 xyz
x 0.253 0.712 0.000
y 0.712 -1.174 0.000
z 0.000 0.000 0.921
Polar
3z2-r21.843
x2-y20.951
xy0.712
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.913 -1.374 0.000
y -1.374 6.930 0.000
z 0.000 0.000 6.522


<r2> (average value of r2) Å2
<r2> 119.793
(<r2>)1/2 10.945