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/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-578.783547
Energy at 298.15K-578.791310
HF Energy-578.783547
Nuclear repulsion energy166.238836
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/cc-pVQZ
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' 3148 3148 22.27 57.85 0.44 0.61
2 A' 3129 3129 35.39 89.84 0.69 0.82
3 A' 3104 3104 0.40 126.82 0.44 0.61
4 A' 3051 3051 19.82 316.15 0.01 0.02
5 A' 1513 1513 8.65 0.65 0.75 0.86
6 A' 1498 1498 9.08 8.25 0.74 0.85
7 A' 1430 1430 7.49 0.55 0.67 0.80
8 A' 1298 1298 31.12 5.19 0.66 0.80
9 A' 1196 1196 16.80 1.42 0.52 0.69
10 A' 1092 1092 15.48 3.52 0.30 0.46
11 A' 909 909 10.27 6.86 0.48 0.65
12 A' 646 646 26.42 14.65 0.20 0.34
13 A' 431 431 1.74 1.44 0.10 0.18
14 A' 345 345 1.70 1.38 0.51 0.67
15 A' 277 277 0.14 0.06 0.62 0.77
16 A" 3144 3144 12.38 38.05 0.75 0.86
17 A" 3121 3121 1.14 12.23 0.75 0.86
18 A" 3048 3048 11.99 3.05 0.75 0.86
19 A" 1491 1491 0.24 8.70 0.75 0.86
20 A" 1486 1486 2.72 2.37 0.75 0.86
21 A" 1417 1417 13.70 0.15 0.75 0.86
22 A" 1369 1369 0.38 1.90 0.75 0.86
23 A" 1160 1160 2.74 2.31 0.75 0.86
24 A" 963 963 0.11 0.87 0.75 0.86
25 A" 952 952 1.23 0.16 0.75 0.86
26 A" 328 328 1.54 1.19 0.75 0.86
27 A" 246 246 0.02 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20895.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20895.1 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/cc-pVQZ
ABC
0.27117 0.15176 0.10686

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.883 1.022 0.000
C2 0.565 -0.070 0.000
C3 0.565 -0.904 1.264
C4 0.565 -0.904 -1.264
H5 1.412 0.612 0.000
H6 1.461 -1.526 1.287
H7 1.461 -1.526 -1.287
H8 0.558 -0.275 2.152
H9 0.558 -0.275 -2.152
H10 -0.307 -1.556 1.294
H11 -0.307 -1.556 -1.294

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.81312.72052.72052.33063.69303.69302.89682.89682.94152.9415
C21.81311.51451.51451.08742.13952.13952.16212.16212.15502.1550
C32.72051.51452.52882.14791.09122.77471.08773.47401.08952.7808
C42.72051.51452.52882.14792.77471.09123.47401.08772.78081.0895
H52.33061.08742.14792.14792.49552.49552.47962.47963.05473.0547
H63.69302.13951.09122.77472.49552.57361.76843.76911.76873.1289
H73.69302.13952.77471.09122.49552.57363.76911.76843.12891.7687
H82.89682.16211.08773.47402.47961.76843.76914.30471.76803.7773
H92.89682.16213.47401.08772.47963.76911.76844.30473.77731.7680
H102.94152.15501.08952.78083.05471.76873.12891.76803.77732.5885
H112.94152.15502.78081.08953.05473.12891.76873.77731.76802.5885

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 109.356 Cl1 C2 C4 109.356
Cl1 C3 H5 55.717 C2 C3 H6 109.316
C2 C3 H8 111.320 C2 C3 H10 110.641
C2 C4 H7 109.316 C2 C4 H9 111.320
C2 C4 H11 110.641 C3 C2 C4 113.208
C3 C2 H5 110.201 C4 C2 H5 110.201
H6 C3 H8 108.507 H6 C3 H10 108.399
H7 C4 H9 108.507 H7 C4 H11 108.399
H8 C3 H10 108.584 H9 C4 H11 108.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.163      
2 C 0.013      
3 C 0.041      
4 C 0.041      
5 H 0.042      
6 H -0.011      
7 H -0.011      
8 H 0.016      
9 H 0.016      
10 H 0.008      
11 H 0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.746 -1.462 0.000 2.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.794 0.714 0.000
y 0.714 -33.770 0.000
z 0.000 0.000 -32.504
Traceless
 xyz
x 0.343 0.714 0.000
y 0.714 -1.121 0.000
z 0.000 0.000 0.778
Polar
3z2-r21.556
x2-y20.976
xy0.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.621 -1.152 0.000
y -1.152 7.800 0.000
z 0.000 0.000 7.541


<r2> (average value of r2) Å2
<r2> 119.402
(<r2>)1/2 10.927