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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: TPSSh/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 TPSSh/Def2TZVPP
 hartrees
Energy at 0K-158.529478
Energy at 298.15K-158.540025
HF Energy-158.529478
Nuclear repulsion energy130.545234
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 TPSSh/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 122 122 0.02      
Au 211 211 0.00      
Bu 244 244 0.01      
Bg 252 252 0.00      
Ag 412 412 0.00      
Au 727 727 3.07      
Bg 801 801 0.00      
Ag 837 837 0.00      
Au 955 955 0.73      
Bu 973 973 4.95      
Bu 1014 1014 0.01      
Ag 1062 1062 0.00      
Ag 1169 1169 0.00      
Bg 1212 1212 0.00      
Au 1290 1290 0.27      
Bu 1321 1321 4.40      
Bg 1333 1333 0.00      
Ag 1389 1389 0.00      
Ag 1414 1414 0.00      
Bu 1416 1416 3.06      
Ag 1494 1494 0.00      
Bu 1500 1500 1.26      
Bg 1507 1507 0.00      
Au 1509 1509 12.41      
Ag 1514 1514 0.00      
Bu 1521 1521 6.62      
Ag 3002 3002 0.00      
Bu 3011 3011 45.31      
Bu 3019 3019 90.12      
Ag 3020 3020 0.00      
Bg 3022 3022 0.00      
Au 3045 3045 19.43      
Bg 3080 3080 0.00      
Au 3084 3084 125.83      
Ag 3086 3086 0.00      
Bu 3087 3087 88.16      

Unscaled Zero Point Vibrational Energy (zpe) 28826.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 28826.9 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 TPSSh/Def2TZVPP
ABC
0.78350 0.12092 0.11355

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.422 0.638 0.000
C2 0.422 -0.638 0.000
C3 0.422 1.913 0.000
C4 -0.422 -1.913 0.000
H5 -1.080 0.634 0.876
H6 -1.080 0.634 -0.876
H7 1.080 -0.634 0.876
H8 1.080 -0.634 -0.876
H9 -0.205 2.808 0.000
H10 1.066 1.957 0.883
H11 1.066 1.957 -0.883
H12 0.205 -2.808 0.000
H13 -1.066 -1.957 0.883
H14 -1.066 -1.957 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.53001.52862.55131.09581.09582.15412.15412.18022.17502.17503.50252.81552.8155
C21.53002.55131.52862.15412.15411.09581.09583.50252.81552.81552.18022.17502.1750
C31.52862.55133.91802.15842.15842.77262.77261.09261.09361.09364.72574.23874.2387
C42.55131.52863.91802.77262.77262.15842.15844.72574.23874.23871.09261.09361.0936
H51.09582.15412.15842.77261.75272.50393.05642.50162.52073.07373.77672.59043.1311
H61.09582.15412.15842.77261.75273.05642.50392.50163.07372.52073.77673.13112.5904
H72.15411.09582.77262.15842.50393.05641.75273.77672.59043.13112.50162.52073.0737
H82.15411.09582.77262.15843.05642.50391.75273.77673.13112.59042.50163.07372.5207
H92.18023.50251.09264.72572.50162.50163.77673.77671.76631.76635.63044.92124.9212
H102.17502.81551.09364.23872.52073.07372.59043.13111.76631.76504.92124.45644.7932
H112.17502.81551.09364.23873.07372.52073.13112.59041.76631.76504.92124.79324.4564
H123.50252.18024.72571.09263.77673.77672.50162.50165.63044.92124.92121.76631.7663
H132.81552.17504.23871.09362.59043.13112.52073.07374.92124.45644.79321.76631.7650
H142.81552.17504.23871.09363.13112.59043.07372.52074.92124.79324.45641.76631.7650

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.051 C1 C2 H7 109.123
C1 C2 H8 109.123 C1 C3 H9 111.474
C1 C3 H11 110.998 C1 C3 H12 30.868
C2 C1 C3 113.051 C2 C1 H5 109.123
C2 C1 H6 109.123 C2 C4 H10 17.245
C2 C4 H13 110.998 C2 C4 H14 110.998
C3 C1 H5 109.554 C3 C1 H6 109.554
C4 C2 H7 109.554 C4 C2 H8 109.554
H5 C1 H6 106.204 H7 C2 H8 106.204
H9 C3 H11 107.795 H9 C3 H12 142.343
H10 C4 H13 94.309 H10 C4 H14 114.280
H11 C3 H12 93.827 H13 C4 H14 107.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 C -0.005      
3 C -0.152      
4 C -0.152      
5 H 0.016      
6 H 0.016      
7 H 0.016      
8 H 0.016      
9 H 0.045      
10 H 0.040      
11 H 0.040      
12 H 0.045      
13 H 0.040      
14 H 0.040      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.339 0.312 0.000
y 0.312 8.897 0.000
z 0.000 0.000 6.946


<r2> (average value of r2) Å2
<r2> 119.113
(<r2>)1/2 10.914