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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Anti 1Ag
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-158.406131
Energy at 298.15K-158.416619
HF Energy-158.406131
Nuclear repulsion energy129.646480
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
Au 121 121 0.01      
Au 208 208 0.00      
Bg 247 247 0.00      
Bu 251 251 0.02      
Ag 412 412 0.00      
Au 723 723 3.30      
Bg 797 797 0.00      
Ag 811 811 0.00      
Au 944 944 0.72      
Bu 953 953 4.69      
Bu 980 980 0.51      
Ag 1023 1023 0.00      
Ag 1134 1134 0.00      
Bg 1180 1180 0.00      
Au 1260 1260 0.23      
Bu 1296 1296 4.07      
Bg 1302 1302 0.00      
Ag 1350 1350 0.00      
Bu 1378 1378 3.31      
Ag 1379 1379 0.00      
Ag 1453 1453 0.00      
Bu 1458 1458 2.01      
Bg 1464 1464 0.00      
Au 1466 1466 12.52      
Ag 1471 1471 0.00      
Bu 1480 1480 6.63      
Ag 2930 2930 0.00      
Bu 2939 2939 44.91      
Bg 2945 2945 0.00      
Bu 2953 2953 89.14      
Ag 2953 2953 0.00      
Au 2968 2968 21.48      
Bg 3005 3005 0.00      
Au 3009 3009 120.07      
Ag 3011 3011 0.00      
Bu 3012 3012 84.58      

Unscaled Zero Point Vibrational Energy (zpe) 28133.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 28133.0 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/Def2TZVPP
ABC
0.77777 0.11877 0.11161

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.423 0.644 0.000
C2 0.423 -0.644 0.000
C3 0.423 1.931 0.000
C4 -0.423 -1.931 0.000
H5 -1.085 0.641 0.879
H6 -1.085 0.641 -0.879
H7 1.085 -0.641 0.879
H8 1.085 -0.641 -0.879
H9 -0.211 2.827 0.000
H10 1.070 1.981 0.886
H11 1.070 1.981 -0.886
H12 0.211 -2.827 0.000
H13 -1.070 -1.981 0.886
H14 -1.070 -1.981 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.54101.53922.57521.10101.10102.16752.16752.19292.19052.19053.52872.84512.8451
C21.54102.57521.53922.16752.16751.10101.10103.52872.84512.84512.19292.19052.1905
C31.53922.57523.95312.17022.17022.79762.79761.09751.09861.09864.76264.27934.2793
C42.57521.53923.95312.79762.79762.17022.17024.76264.27934.27931.09751.09861.0986
H51.10102.16752.17022.79761.75882.52033.07332.51312.53743.09123.80532.62163.1606
H61.10102.16752.17022.79761.75883.07332.52032.51313.09122.53743.80533.16062.6216
H72.16751.10102.79762.17022.52033.07331.75883.80532.62163.16062.51312.53743.0912
H82.16751.10102.79762.17023.07332.52031.75883.80533.16062.62162.51313.09122.5374
H92.19293.52871.09754.76262.51312.51313.80533.80531.77281.77285.66984.96354.9635
H102.19052.84511.09864.27932.53743.09122.62163.16061.77281.77224.96354.50234.8385
H112.19052.84511.09864.27933.09122.53743.16062.62161.77281.77224.96354.83854.5023
H123.52872.19294.76261.09753.80533.80532.51312.51315.66984.96354.96351.77281.7728
H132.84512.19054.27931.09862.62163.16062.53743.09124.96354.50234.83851.77281.7722
H142.84512.19054.27931.09863.16062.62163.09122.53744.96354.83854.50231.77281.7722

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.447 C1 C2 H7 109.110
C1 C2 H8 109.110 C1 C3 H9 111.441
C1 C3 H11 111.185 C1 C3 H12 30.754
C2 C1 C3 113.447 C2 C1 H5 109.110
C2 C1 H6 109.110 C2 C4 H10 17.165
C2 C4 H13 111.185 C2 C4 H14 111.185
C3 C1 H5 109.444 C3 C1 H6 109.444
C4 C2 H7 109.444 C4 C2 H8 109.444
H5 C1 H6 106.017 H7 C2 H8 106.017
H9 C3 H11 107.656 H9 C3 H12 142.194
H10 C4 H13 94.583 H10 C4 H14 114.452
H11 C3 H12 94.093 H13 C4 H14 107.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.063      
2 C -0.063      
3 C -0.248      
4 C -0.248      
5 H 0.047      
6 H 0.047      
7 H 0.047      
8 H 0.047      
9 H 0.077      
10 H 0.070      
11 H 0.070      
12 H 0.077      
13 H 0.070      
14 H 0.070      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.377 -0.447 0.000
y -0.447 -29.802 0.000
z 0.000 0.000 -28.570
Traceless
 xyz
x -0.191 -0.447 0.000
y -0.447 -0.828 0.000
z 0.000 0.000 1.019
Polar
3z2-r22.038
x2-y20.425
xy-0.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.611 0.320 0.000
y 0.320 9.246 0.000
z 0.000 0.000 7.208


<r2> (average value of r2) Å2
<r2> 121.204
(<r2>)1/2 11.009