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 C4H8Cl2 (Butane, 1,3-dichloro-)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-1077.516479
Energy at 298.15K-1077.525325
Nuclear repulsion energy343.899755
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 BLYP/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 3097 3073 6.96      
2 A 3071 3047 17.85      
3 A 3046 3023 24.78      
4 A 3032 3008 17.65      
5 A 3021 2998 5.06      
6 A 3011 2988 3.09      
7 A 2977 2954 26.17      
8 A 2970 2947 0.57      
9 A 1475 1464 2.44      
10 A 1469 1457 2.96      
11 A 1464 1452 5.01      
12 A 1452 1441 0.63      
13 A 1387 1377 2.50      
14 A 1355 1345 9.50      
15 A 1312 1302 6.16      
16 A 1292 1282 9.01      
17 A 1247 1238 15.47      
18 A 1236 1227 34.33      
19 A 1143 1134 10.68      
20 A 1091 1083 9.31      
21 A 1079 1071 1.50      
22 A 1029 1021 3.45      
23 A 987 979 14.09      
24 A 933 925 2.83      
25 A 880 874 7.68      
26 A 766 760 7.41      
27 A 697 691 40.24      
28 A 569 564 35.20      
29 A 425 422 4.14      
30 A 390 387 7.70      
31 A 325 323 5.14      
32 A 248 246 0.44      
33 A 232 231 0.33      
34 A 147 146 2.32      
35 A 114 114 1.42      
36 A 75 74 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 24522.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 24333.2 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 BLYP/6-31G**
ABC
0.14289 0.03049 0.02618

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.198 1.546 -0.106
H2 -2.230 1.577 -1.206
H3 -3.215 1.366 0.268
H4 -1.862 2.531 0.260
C5 -1.230 0.464 0.385
H6 -1.239 0.409 1.484
Cl7 -1.881 -1.211 -0.137
C8 0.207 0.657 -0.135
H9 0.523 1.675 0.153
H10 0.212 0.614 -1.236
C11 1.209 -0.356 0.432
H12 1.248 -0.326 1.530
H13 0.989 -1.379 0.105
Cl14 2.919 0.015 -0.146

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 Cl7 C8 H9 H10 C11 H12 H13 Cl14
C11.10031.09891.10321.53232.17762.77592.56442.73662.81933.93924.24944.33065.3408
H21.10031.78531.78712.18383.09553.00642.81703.07232.62494.27214.81724.56255.4841
H31.09891.78531.78552.18332.50972.93093.51833.75293.81704.75064.93715.02356.2945
H41.10321.78711.78552.16482.52813.76352.81952.53633.19504.21874.41014.84125.4173
C51.53232.18382.18332.16481.10041.87191.54072.14372.17452.57422.84212.89834.2069
H62.17763.09552.50972.52811.10042.38022.18502.54603.08932.77242.59393.17224.4833
Cl72.77593.00642.93093.76351.87192.38022.80173.76772.98633.25623.65402.88464.9536
C82.56442.81703.51832.81951.54072.18502.80171.10441.10161.53362.19572.19352.7864
H92.73663.07233.75292.53632.14372.54603.76771.10441.77492.16222.53513.08952.9296
H102.81932.62493.81703.19502.17453.08932.98631.10161.77492.17243.09962.52442.9791
C113.93924.27214.75064.21872.57422.77243.25621.53362.16222.17241.09881.09601.8425
H124.24944.81724.93714.41012.84212.59393.65402.19572.53513.09961.09881.79082.3909
H134.33064.56255.02354.84122.89833.17222.88462.19353.08952.52441.09601.79082.3936
Cl145.34085.48416.29455.41734.20694.48334.95362.78642.92962.97911.84252.39092.3936

picture of Butane, 1,3-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.538 C1 C5 Cl7 108.850
C1 C5 C8 113.120 H2 C1 H3 108.543
H2 C1 H4 108.391 H2 C1 C5 111.035
H3 C1 H4 108.353 H3 C1 C5 111.075
H4 C1 C5 109.364 C5 C8 H9 107.119
C5 C8 H10 109.641 C5 C8 C11 113.721
H6 C5 Cl7 103.344 H6 C5 C8 110.540
Cl7 C5 C8 109.989 C8 C11 H12 111.986
C8 C11 H13 111.985 C8 C11 Cl14 110.915
H9 C8 H10 107.133 H9 C8 C11 109.011
H10 C8 C11 109.969 H12 C11 H13 109.355
H12 C11 Cl14 105.975 H13 C11 Cl14 106.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 H 0.119      
3 H 0.119      
4 H 0.106      
5 C -0.151      
6 H 0.134      
7 Cl -0.113      
8 C -0.122      
9 H 0.114      
10 H 0.123      
11 C -0.264      
12 H 0.139      
13 H 0.165      
14 Cl -0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.409 1.818 1.036 2.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.535 -4.032 0.106
y -4.032 -50.826 -0.012
z 0.106 -0.012 -50.172
Traceless
 xyz
x -9.036 -4.032 0.106
y -4.032 4.027 -0.012
z 0.106 -0.012 5.009
Polar
3z2-r210.017
x2-y2-8.709
xy-4.032
xz0.106
yz-0.012


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> 379.255
(<r2>)1/2 19.474