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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-79.862337
Energy at 298.15K-79.868249
HF Energy-79.862337
Nuclear repulsion energy42.217732
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 B3LYPultrafine/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3030 2919 0.00 289.43 0.01 0.02
2 A1g 1429 1377 0.00 2.16 0.73 0.84
3 A1g 996 959 0.00 11.69 0.25 0.40
4 A1u 309 298 0.00 0.00 0.00 0.00
5 A2u 3031 2920 61.56 0.00 0.00 0.00
6 A2u 1415 1363 1.73 0.00 0.00 0.00
7 Eg 3076 2963 0.00 145.08 0.75 0.86
7 Eg 3076 2963 0.00 145.08 0.75 0.86
8 Eg 1507 1452 0.00 26.82 0.75 0.86
8 Eg 1507 1452 0.00 26.82 0.75 0.86
9 Eg 1224 1179 0.00 0.74 0.75 0.86
9 Eg 1224 1179 0.00 0.74 0.75 0.86
10 Eu 3101 2987 70.68 0.00 0.00 0.00
10 Eu 3101 2987 70.68 0.00 0.00 0.00
11 Eu 1509 1454 10.93 0.00 0.00 0.00
11 Eu 1509 1454 10.93 0.00 0.00 0.00
12 Eu 830 800 3.76 0.00 0.00 0.00
12 Eu 830 800 3.76 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16351.8 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 15753.3 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 B3LYPultrafine/TZVP
ABC
2.69351 0.66610 0.66610

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.017 1.162
H4 -0.881 -0.509 1.162
H5 0.881 -0.509 1.162
H6 0.000 -1.017 -1.162
H7 -0.881 0.509 -1.162
H8 0.881 0.509 -1.162

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52831.09231.09231.09232.17832.17832.1783
C21.52832.17832.17832.17831.09231.09231.0923
H31.09232.17831.76211.76213.08872.53682.5368
H41.09232.17831.76211.76212.53682.53683.0887
H51.09232.17831.76211.76212.53683.08872.5368
H62.17831.09233.08872.53682.53681.76211.7621
H72.17831.09232.53682.53683.08871.76211.7621
H82.17831.09232.53683.08872.53681.76211.7621

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.354 C1 C2 H7 111.354
C1 C2 H8 111.354 C2 C1 H3 111.354
C2 C1 H4 111.354 C2 C1 H5 111.354
H3 C1 H4 107.524 H3 C1 H5 107.524
H4 C1 H5 107.524 H6 C2 H7 107.524
H6 C2 H8 107.524 H7 C2 H8 107.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.331      
2 C -0.331      
3 H 0.110      
4 H 0.110      
5 H 0.110      
6 H 0.110      
7 H 0.110      
8 H 0.110      


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 -15.060 0.000 0.000
y 0.000 -15.060 0.000
z 0.000 0.000 -15.754
Traceless
 xyz
x 0.347 0.000 0.000
y 0.000 0.347 0.000
z 0.000 0.000 -0.694
Polar
3z2-r2-1.387
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.813 0.000 0.000
y 0.000 3.813 0.000
z 0.000 0.000 4.168


<r2> (average value of r2) Å2
<r2> 30.869
(<r2>)1/2 5.556