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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-614.975482
Energy at 298.15K-614.985454
Nuclear repulsion energy231.622066
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 mPW1PW91/3-21G
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 3182 3038 15.74      
2 A 3169 3025 14.74      
3 A 3163 3019 10.10      
4 A 3151 3008 17.31      
5 A 3148 3005 4.45      
6 A 3120 2978 1.62      
7 A 3078 2938 15.06      
8 A 3076 2936 17.31      
9 A 3062 2923 9.85      
10 A 1573 1502 10.07      
11 A 1566 1495 14.44      
12 A 1561 1490 4.24      
13 A 1551 1481 11.81      
14 A 1529 1460 3.94      
15 A 1468 1402 13.15      
16 A 1466 1399 18.57      
17 A 1417 1353 1.06      
18 A 1367 1305 5.76      
19 A 1357 1296 9.04      
20 A 1277 1219 20.51      
21 A 1213 1158 14.17      
22 A 1151 1098 3.93      
23 A 1118 1068 1.68      
24 A 1051 1003 7.38      
25 A 1046 999 11.39      
26 A 1007 962 13.97      
27 A 869 829 8.14      
28 A 825 787 19.62      
29 A 590 564 29.63      
30 A 470 448 1.33      
31 A 382 365 3.40      
32 A 325 310 2.04      
33 A 259 248 0.22      
34 A 241 230 0.06      
35 A 223 213 1.70      
36 A 125 120 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 27587.0 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 26334.5 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 mPW1PW91/3-21G
ABC
0.14759 0.10386 0.06610

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.323 1.482 -0.016
H2 -1.480 1.453 -1.098
H3 -2.266 1.253 0.484
H4 -1.010 2.494 0.269
C5 -0.242 0.495 0.382
H6 -0.110 0.439 1.464
Cl7 -0.883 -1.243 -0.069
C8 1.082 0.710 -0.335
H9 1.388 1.747 -0.132
H10 0.913 0.620 -1.414
C11 2.184 -0.253 0.119
H12 2.384 -0.134 1.190
H13 1.877 -1.286 -0.064
H14 3.112 -0.060 -0.427

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 Cl7 C8 H9 H10 C11 H12 H13 H14
C11.09341.09231.09681.51732.17912.76092.54532.72632.77363.91514.21964.23064.7137
H21.09341.77761.78122.15423.07662.94642.77393.04052.55284.22084.76214.45324.8814
H31.09231.77761.77922.16442.50462.90663.48933.73903.75604.71284.90384.88985.6113
H41.09681.78121.77922.14492.54173.75452.81442.54373.16814.21554.39014.76744.8992
C51.51732.15422.16442.14491.09121.90641.52062.11882.13862.55222.81802.80293.4948
H62.17913.07662.50462.54171.09122.40372.17472.54983.05932.74802.57353.04263.7696
Cl72.76092.94642.90663.75451.90642.40372.78363.75542.91683.22913.67252.76044.1827
C82.54532.77393.48932.81441.52062.17472.78361.09951.09561.53282.17552.16532.1740
H92.72633.04053.73902.54372.11882.54983.75541.09951.77092.16672.50533.07202.5149
H102.77362.55283.75603.16812.13863.05932.91681.09561.77092.17453.08392.52642.5050
C113.91514.22084.71284.21552.55222.74803.22911.53282.16672.17451.09551.09311.0940
H124.21964.76214.90384.39012.81802.57353.67252.17552.50533.08391.09551.77621.7750
H134.23064.45324.88984.76742.80293.04262.76042.16533.07202.52641.09311.77621.7778
H144.71374.88145.61134.89923.49483.76964.18272.17402.51492.50501.09401.77501.7778

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 112.285 C1 C5 Cl7 106.941
C1 C5 C8 113.826 H2 C1 H3 108.839
H2 C1 H4 108.833 H2 C1 C5 110.148
H3 C1 H4 108.733 H3 C1 C5 111.029
H4 C1 C5 109.215 C5 C8 H9 106.825
C5 C8 H10 108.568 C5 C8 C11 113.412
H6 C5 Cl7 103.238 H6 C5 C8 111.685
Cl7 C5 C8 108.101 C8 C11 H12 110.633
C8 C11 H13 109.969 C8 C11 H14 110.598
H9 C8 H10 107.559 H9 C8 C11 109.703
H10 C8 C11 110.547 H12 C11 H13 108.504
H12 C11 H14 108.326 H13 C11 H14 108.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 H 0.240      
3 H 0.244      
4 H 0.227      
5 C -0.417      
6 H 0.278      
7 Cl -0.069      
8 C -0.424      
9 H 0.232      
10 H 0.242      
11 C -0.629      
12 H 0.212      
13 H 0.247      
14 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.027 2.591 0.430 2.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.600 -1.963 -0.345
y -1.963 -40.635 0.237
z -0.345 0.237 -38.976
Traceless
 xyz
x 0.205 -1.963 -0.345
y -1.963 -1.347 0.237
z -0.345 0.237 1.142
Polar
3z2-r22.284
x2-y21.035
xy-1.963
xz-0.345
yz0.237


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


<r2> (average value of r2) Å2
<r2> 183.113
(<r2>)1/2 13.532