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: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-578.704538
Energy at 298.15K-578.712252
HF Energy-578.704538
Nuclear repulsion energy166.214629
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 B1B95/6-31G**
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' 3186 3042 22.91 60.71 0.57 0.72
2 A' 3165 3022 34.70 99.07 0.74 0.85
3 A' 3133 2991 3.35 125.80 0.45 0.62
4 A' 3084 2945 18.77 224.08 0.02 0.04
5 A' 1535 1465 8.20 2.80 0.71 0.83
6 A' 1521 1452 7.79 25.14 0.75 0.85
7 A' 1444 1379 6.83 3.28 0.61 0.75
8 A' 1312 1253 37.88 8.32 0.74 0.85
9 A' 1201 1147 16.19 1.12 0.69 0.82
10 A' 1096 1047 17.47 5.46 0.52 0.68
11 A' 917 876 10.14 8.05 0.66 0.79
12 A' 639 610 31.96 15.78 0.27 0.43
13 A' 419 400 2.16 1.21 0.20 0.34
14 A' 335 320 1.52 0.98 0.60 0.75
15 A' 275 263 0.17 0.04 0.69 0.82
16 A" 3183 3039 11.62 41.92 0.75 0.86
17 A" 3159 3016 2.07 13.26 0.75 0.86
18 A" 3080 2941 11.87 2.04 0.75 0.86
19 A" 1514 1445 0.62 23.98 0.75 0.86
20 A" 1508 1440 2.02 8.41 0.75 0.86
21 A" 1432 1367 12.49 5.17 0.75 0.86
22 A" 1375 1313 1.21 3.21 0.75 0.86
23 A" 1172 1119 2.69 4.57 0.75 0.86
24 A" 965 921 0.00 2.79 0.75 0.86
25 A" 949 906 1.89 0.11 0.75 0.86
26 A" 320 306 2.01 1.41 0.75 0.86
27 A" 248 236 0.06 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21083.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 20130.7 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 B1B95/6-31G**
ABC
0.27074 0.15206 0.10700

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.886 1.016 0.000
C2 0.567 -0.067 0.000
C3 0.567 -0.900 1.265
C4 0.567 -0.900 -1.265
H5 1.416 0.618 0.000
H6 1.467 -1.522 1.291
H7 1.467 -1.522 -1.291
H8 0.557 -0.269 2.155
H9 0.557 -0.269 -2.155
H10 -0.306 -1.555 1.294
H11 -0.306 -1.555 -1.294

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl11.81322.71722.71722.33703.69433.69432.89472.89472.93682.9368
C21.81321.51381.51381.09102.14302.14302.16412.16412.15672.1567
C32.71721.51382.52912.15011.09422.78021.09083.47681.09222.7821
C42.71721.51382.52912.15012.78021.09423.47681.09082.78211.0922
H52.33701.09102.15012.15012.49982.49982.48342.48343.06003.0600
H63.69432.14301.09422.78022.49982.58281.77253.77781.77303.1353
H73.69432.14302.78021.09422.49982.58283.77781.77253.13531.7730
H82.89472.16411.09083.47682.48341.77253.77784.30931.77153.7808
H92.89472.16413.47681.09082.48343.77781.77254.30933.78081.7715
H102.93682.15671.09222.78213.06001.77303.13531.77153.78082.5888
H112.93682.15672.78211.09223.06003.13531.77303.78081.77152.5888

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 109.179 Cl1 C2 C4 109.179
Cl1 C3 H5 55.938 C2 C3 H6 109.459
C2 C3 H8 111.341 C2 C3 H10 110.663
C2 C4 H7 109.459 C2 C4 H9 111.341
C2 C4 H11 110.663 C3 C2 C4 113.298
C3 C2 H5 110.202 C4 C2 H5 110.202
H6 C3 H8 108.433 H6 C3 H10 108.375
H7 C4 H9 108.433 H7 C4 H11 108.375
H8 C3 H10 108.493 H9 C4 H11 108.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.090      
2 C -0.252      
3 C -0.476      
4 C -0.476      
5 H 0.210      
6 H 0.171      
7 H 0.171      
8 H 0.188      
9 H 0.188      
10 H 0.183      
11 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.769 -1.480 0.000 2.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.493 0.710 0.000
y 0.710 -33.385 0.000
z 0.000 0.000 -32.111
Traceless
 xyz
x 0.255 0.710 0.000
y 0.710 -1.083 0.000
z 0.000 0.000 0.828
Polar
3z2-r21.657
x2-y20.892
xy0.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.401 -1.179 0.000
y -1.179 6.375 0.000
z 0.000 0.000 5.913


<r2> (average value of r2) Å2
<r2> 119.122
(<r2>)1/2 10.914