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: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-578.374353
Energy at 298.15K-578.381910
HF Energy-578.374353
Nuclear repulsion energy164.898650
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 PBEPBEultrafine/6-31G(2df,p)
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' 3082 3050 17.86 60.95 0.59 0.74
2 A' 3059 3028 28.62 100.62 0.75 0.86
3 A' 3016 2985 4.35 110.95 0.40 0.57
4 A' 2979 2948 18.13 239.22 0.02 0.04
5 A' 1456 1441 5.59 2.69 0.73 0.85
6 A' 1440 1425 7.03 21.04 0.74 0.85
7 A' 1364 1350 4.38 3.61 0.43 0.60
8 A' 1234 1221 31.61 6.01 0.70 0.83
9 A' 1144 1132 19.22 1.10 0.72 0.84
10 A' 1040 1029 14.79 4.54 0.43 0.60
11 A' 877 868 10.32 6.50 0.62 0.77
12 A' 609 603 27.44 14.94 0.22 0.36
13 A' 406 402 2.05 1.21 0.12 0.21
14 A' 324 321 2.00 1.14 0.51 0.68
15 A' 261 258 0.20 0.04 0.53 0.69
16 A" 3079 3047 9.69 39.49 0.75 0.86
17 A" 3054 3022 1.74 14.29 0.75 0.86
18 A" 2975 2944 10.94 4.25 0.75 0.86
19 A" 1433 1418 0.33 18.88 0.75 0.86
20 A" 1427 1412 1.39 8.59 0.75 0.86
21 A" 1348 1334 10.31 5.13 0.75 0.86
22 A" 1308 1295 2.36 2.54 0.75 0.86
23 A" 1123 1111 3.52 3.13 0.75 0.86
24 A" 919 909 0.18 1.66 0.75 0.86
25 A" 906 896 1.19 0.22 0.75 0.86
26 A" 311 307 1.67 1.34 0.75 0.86
27 A" 234 232 0.03 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20202.4 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 19994.3 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.26643 0.14972 0.10530

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.893 1.024 0.000
C2 0.572 -0.072 0.000
C3 0.572 -0.906 1.275
C4 0.572 -0.906 -1.275
H5 1.423 0.627 0.000
H6 1.482 -1.530 1.305
H7 1.482 -1.530 -1.305
H8 0.558 -0.268 2.171
H9 0.558 -0.268 -2.171
H10 -0.305 -1.571 1.306
H11 -0.305 -1.571 -1.306

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.82992.73832.73832.35023.72423.72422.91412.91412.96462.9646
C21.82991.52351.52351.10132.15802.15802.17992.17992.17352.1735
C32.73831.52352.54992.16781.10382.80571.09983.50451.10152.8063
C42.73831.52352.54992.16782.80571.10383.50451.09982.80631.1015
H52.35021.10132.16782.16782.52182.52182.50252.50253.08643.0864
H63.72422.15801.10382.80572.52182.60931.78763.81121.78753.1643
H73.72422.15802.80571.10382.52182.60933.81121.78763.16431.7875
H82.91412.17991.09983.50452.50251.78763.81124.34201.78633.8125
H92.91412.17993.50451.09982.50253.81121.78764.34203.81251.7863
H102.96462.17351.10152.80633.08641.78753.16431.78633.81252.6128
H112.96462.17352.80631.10153.08643.16431.78753.81251.78632.6128

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 109.146 Cl1 C2 C4 109.146
Cl1 C3 H5 55.793 C2 C3 H6 109.403
C2 C3 H8 111.378 C2 C3 H10 110.761
C2 C4 H7 109.403 C2 C4 H9 111.378
C2 C4 H11 110.761 C3 C2 C4 113.618
C3 C2 H5 110.327 C4 C2 H5 110.327
H6 C3 H8 108.433 H6 C3 H10 108.302
H7 C4 H9 108.433 H7 C4 H11 108.302
H8 C3 H10 108.482 H9 C4 H11 108.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.191      
2 C 0.000      
3 C -0.399      
4 C -0.399      
5 H 0.140      
6 H 0.133      
7 H 0.133      
8 H 0.147      
9 H 0.147      
10 H 0.145      
11 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.699 -1.446 0.000 2.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.498 0.649 0.000
y 0.649 -33.372 0.000
z 0.000 0.000 -32.160
Traceless
 xyz
x 0.268 0.649 0.000
y 0.649 -1.043 0.000
z 0.000 0.000 0.775
Polar
3z2-r21.550
x2-y20.874
xy0.649
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.939 -1.182 0.000
y -1.182 7.077 0.000
z 0.000 0.000 6.735


<r2> (average value of r2) Å2
<r2> 120.716
(<r2>)1/2 10.987