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All results from a given calculation for CH3CHClCH2CH3 (Butane, 2-chloro-)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-616.228983
Energy at 298.15K-616.239175
Nuclear repulsion energy233.797331
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 HF/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 3270 2961 36.19      
2 A 3262 2954 39.74      
3 A 3252 2944 29.39      
4 A 3238 2932 9.51      
5 A 3232 2927 34.28      
6 A 3206 2903 5.58      
7 A 3176 2875 29.81      
8 A 3171 2872 31.90      
9 A 3160 2861 19.80      
10 A 1624 1471 4.04      
11 A 1616 1463 6.71      
12 A 1614 1461 0.70      
13 A 1607 1455 5.04      
14 A 1597 1446 0.52      
15 A 1544 1398 1.22      
16 A 1541 1396 4.17      
17 A 1521 1377 0.09      
18 A 1440 1304 10.79      
19 A 1429 1294 19.06      
20 A 1371 1242 19.26      
21 A 1275 1154 7.74      
22 A 1210 1096 1.89      
23 A 1186 1074 4.87      
24 A 1097 993 2.36      
25 A 1085 983 6.02      
26 A 1038 940 6.17      
27 A 908 822 12.06      
28 A 855 774 11.28      
29 A 655 593 37.40      
30 A 487 441 1.69      
31 A 414 375 3.08      
32 A 350 317 1.41      
33 A 272 246 0.18      
34 A 250 226 0.08      
35 A 231 209 1.07      
36 A 119 107 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 28650.9 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 25943.4 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 HF/6-31G(2df,p)
ABC
0.15401 0.10281 0.06669

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.313 1.472 -0.006
H2 -1.485 1.489 -1.076
H3 -2.253 1.261 0.490
H4 -0.972 2.456 0.305
C5 -0.261 0.436 0.356
H6 -0.128 0.399 1.428
Cl7 -0.897 -1.212 -0.069
C8 1.079 0.680 -0.330
H9 1.351 1.713 -0.118
H10 0.941 0.607 -1.405
C11 2.210 -0.240 0.122
H12 2.367 -0.166 1.195
H13 1.999 -1.275 -0.117
H14 3.138 0.037 -0.369

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 Cl7 C8 H9 H10 C11 H12 H13 H14
C11.08451.08311.08691.51992.14752.71652.54002.67752.79083.91854.20364.30404.6901
H21.08451.75921.76242.15833.05022.94202.78993.00202.60264.25164.76874.54954.8966
H31.08311.75921.76122.15992.47742.87513.47953.68263.77114.72234.88654.98725.5936
H41.08691.76241.76122.14212.49103.68772.78602.47563.16304.17404.33824.78774.8158
C51.51992.15832.15992.14211.08151.81671.52472.11052.13912.57212.82412.87343.4977
H62.14753.05022.47742.49101.08152.33022.15112.51123.03572.75302.56913.11633.7448
Cl72.71652.94202.87513.68771.81672.33022.74793.68932.91063.26113.65352.89684.2341
C82.54002.78993.47952.78601.52472.15112.74791.08891.08631.52642.16882.17132.1573
H92.67753.00203.68262.47562.11052.51123.68931.08891.74572.14632.50773.05712.4619
H102.79082.60263.77113.16302.13913.03572.91061.08631.74572.15833.06482.51402.4945
C113.91854.25164.72234.17402.57212.75303.26111.52642.14632.15831.08691.08341.0855
H124.20364.76874.88654.33822.82412.56913.65352.16882.50773.06481.08691.75651.7549
H134.30404.54954.98724.78772.87343.11632.89682.17133.05712.51401.08341.75651.7558
H144.69014.89665.59364.81583.49773.74484.23412.15732.46192.49451.08551.75491.7558

picture of Butane, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.136 C1 C5 Cl7 108.678
C1 C5 C8 113.080 H2 C1 H3 108.503
H2 C1 H4 108.511 H2 C1 C5 110.817
H3 C1 H4 108.514 H3 C1 C5 111.037
H4 C1 C5 109.391 C5 C8 H9 106.517
C5 C8 H10 108.863 C5 C8 C11 114.922
H6 C5 Cl7 104.133 H6 C5 C8 110.090
Cl7 C5 C8 110.339 C8 C11 H12 111.063
C8 C11 H13 111.475 C8 C11 H14 110.231
H9 C8 H10 106.751 H9 C8 C11 109.156
H10 C8 C11 110.265 H12 C11 H13 108.063
H12 C11 H14 107.774 H13 C11 H14 108.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 H 0.153      
3 H 0.158      
4 H 0.141      
5 C -0.052      
6 H 0.163      
7 Cl -0.218      
8 C -0.226      
9 H 0.131      
10 H 0.142      
11 C -0.418      
12 H 0.131      
13 H 0.161      
14 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.924 2.194 0.398 2.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.131 -1.400 -0.334
y -1.400 -40.575 0.378
z -0.334 0.378 -39.120
Traceless
 xyz
x -0.284 -1.400 -0.334
y -1.400 -0.949 0.378
z -0.334 0.378 1.233
Polar
3z2-r22.465
x2-y20.444
xy-1.400
xz-0.334
yz0.378


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.385 0.291 0.059
y 0.291 8.712 0.175
z 0.059 0.175 6.825


<r2> (average value of r2) Å2
<r2> 181.917
(<r2>)1/2 13.488