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: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-578.674003
Energy at 298.15K-578.681690
HF Energy-578.674003
Nuclear repulsion energy165.262771
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 B3PW91/cc-pVDZ
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' 3156 3045 18.47      
2 A' 3134 3024 30.35      
3 A' 3095 2987 4.99      
4 A' 3048 2941 19.22      
5 A' 1476 1424 6.48      
6 A' 1460 1409 8.90      
7 A' 1395 1347 5.39      
8 A' 1267 1223 32.28      
9 A' 1173 1132 19.76      
10 A' 1068 1030 16.92      
11 A' 905 873 10.39      
12 A' 627 605 29.80      
13 A' 420 405 2.35      
14 A' 336 324 2.09      
15 A' 273 264 0.17      
16 A" 3153 3042 10.04      
17 A" 3128 3019 1.73      
18 A" 3044 2938 13.04      
19 A" 1453 1403 0.47      
20 A" 1449 1398 0.99      
21 A" 1388 1339 13.12      
22 A" 1344 1297 0.92      
23 A" 1156 1116 3.52      
24 A" 945 912 0.08      
25 A" 931 898 1.45      
26 A" 322 311 2.04      
27 A" 243 235 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 20694.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19969.7 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 B3PW91/cc-pVDZ
ABC
0.26813 0.15027 0.10577

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.891 1.024 0.000
C2 0.570 -0.075 0.000
C3 0.570 -0.904 1.270
C4 0.570 -0.904 -1.270
H5 1.422 0.622 0.000
H6 1.477 -1.531 1.301
H7 1.477 -1.531 -1.301
H8 0.561 -0.266 2.165
H9 0.561 -0.266 -2.165
H10 -0.308 -1.567 1.307
H11 -0.308 -1.567 -1.307

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.82782.73212.73212.34703.71813.71812.90812.90812.95932.9593
C21.82781.51701.51701.10042.15282.15282.17332.17332.16902.1690
C32.73211.51702.54072.16051.10292.79771.09913.49411.10092.8021
C42.73211.51702.54072.16052.79771.10293.49411.09912.80211.1009
H52.34701.10042.16052.16052.51572.51572.49302.49303.08073.0807
H63.71812.15281.10292.79772.51572.60201.78493.80161.78593.1606
H73.71812.15282.79771.10292.51572.60203.80161.78493.16061.7859
H82.90812.17331.09913.49412.49301.78493.80164.32991.78483.8080
H92.90812.17333.49411.09912.49303.80161.78494.32993.80801.7848
H102.95932.16901.10092.80213.08071.78593.16061.78483.80802.6134
H112.95932.16902.80211.10093.08073.16061.78593.80801.78482.6134

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 109.182 Cl1 C2 C4 109.182
Cl1 C3 H5 55.869 C2 C3 H6 109.496
C2 C3 H8 111.348 C2 C3 H10 110.893
C2 C4 H7 109.496 C2 C4 H9 111.348
C2 C4 H11 110.893 C3 C2 C4 113.734
C3 C2 H5 110.250 C4 C2 H5 110.250
H6 C3 H8 108.306 H6 C3 H10 108.266
H7 C4 H9 108.306 H7 C4 H11 108.266
H8 C3 H10 108.442 H9 C4 H11 108.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.144      
2 C -0.224      
3 C -0.021      
4 C -0.021      
5 H 0.081      
6 H 0.049      
7 H 0.049      
8 H 0.059      
9 H 0.059      
10 H 0.057      
11 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.703 -1.444 0.000 2.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.520 0.620 0.000
y 0.620 -33.411 0.000
z 0.000 0.000 -32.190
Traceless
 xyz
x 0.280 0.620 0.000
y 0.620 -1.056 0.000
z 0.000 0.000 0.776
Polar
3z2-r21.551
x2-y20.891
xy0.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.659 -1.223 0.000
y -1.223 6.699 0.000
z 0.000 0.000 6.381


<r2> (average value of r2) Å2
<r2> 120.292
(<r2>)1/2 10.968