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All results from a given calculation for C4H10O2 (Ethane, 1,2-dimethoxy-)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-308.810598
Energy at 298.15K 
Nuclear repulsion energy253.341351
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 B3PW91/6-311G*
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
ABC
0.63613 0.04323 0.04176

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.339 1.186 0.000
O2 -1.339 -1.186 0.000
C3 -1.456 -2.586 0.000
C4 1.456 2.586 0.000
C5 0.000 0.757 0.000
C6 0.000 -0.757 0.000
H7 2.521 2.822 0.000
H8 -2.521 -2.822 0.000
H9 -0.992 -3.032 0.892
H10 -0.992 -3.032 -0.892
H11 0.992 3.032 0.892
H12 0.992 3.032 -0.892
H13 -0.535 1.127 0.888
H14 -0.535 1.127 -0.888
H15 0.535 -1.127 0.888
H16 0.535 -1.127 -0.888

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.57864.69501.40401.40672.35992.01785.56514.90144.90142.07892.07892.07502.07502.60522.6052
O23.57861.40404.69502.35991.40675.56512.01782.07892.07894.90144.90142.60522.60522.07502.0750
C34.69501.40405.93483.64552.33796.71271.09081.10011.10016.19216.19213.92673.92672.62322.6232
C41.40404.69505.93482.33793.64551.09086.71276.19216.19211.10011.10012.62322.62323.92673.9267
C51.40672.35993.64552.33791.51313.25914.37754.01634.01632.63742.63741.10101.10102.14992.1499
C62.35991.40672.33793.64551.51314.37753.25912.63742.63744.01634.01632.14992.14991.10101.1010
H72.01785.56516.71271.09083.25914.37757.56836.88506.88501.78261.78263.60583.60584.50864.5086
H85.56512.01781.09086.71274.37753.25917.56831.78261.78266.88506.88504.50864.50863.60583.6058
H94.90142.07891.10016.19214.01632.63746.88501.78261.78386.37986.62454.18374.54662.44143.0214
H104.90142.07891.10016.19214.01632.63746.88501.78261.78386.62456.37984.54664.18373.02142.4414
H112.07894.90146.19211.10012.63744.01631.78266.88506.37986.62451.78382.44143.02144.18374.5466
H122.07894.90146.19211.10012.63744.01631.78266.88506.62456.37981.78383.02142.44144.54664.1837
H132.07502.60523.92672.62321.10102.14993.60584.50864.18374.54662.44143.02141.77622.49483.0625
H142.07502.60523.92672.62321.10102.14993.60584.50864.54664.18373.02142.44141.77623.06252.4948
H152.60522.07502.62323.92672.14991.10104.50863.60582.44143.02144.18374.54662.49483.06251.7762
H162.60522.07502.62323.92672.14991.10104.50863.60583.02142.44144.54664.18373.06252.49481.7762

picture of Ethane, 1,2-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H7 107.300 O1 C4 H11 111.663
O1 C4 H12 111.663 O1 C5 C6 107.798
O1 C5 H13 111.095 O1 C5 H14 111.095
O2 C3 H8 107.300 O2 C3 H9 111.663
O2 C3 H10 111.663 O2 C6 C5 107.798
O2 C6 H15 111.095 O2 C6 H16 111.095
C3 O2 C6 112.568 C4 O1 C5 112.568
C5 C6 H15 109.653 C5 C6 H16 109.653
C6 C5 H13 109.653 C6 C5 H14 109.653
H7 C4 H11 108.907 H7 C4 H12 108.907
H8 C3 H9 108.907 H8 C3 H10 108.907
H9 C3 H10 108.335 H11 C4 H12 108.335
H13 C5 H14 107.543 H15 C6 H16 107.543
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.338      
2 O -0.338      
3 C -0.449      
4 C -0.449      
5 C -0.235      
6 C -0.235      
7 H 0.224      
8 H 0.224      
9 H 0.198      
10 H 0.198      
11 H 0.198      
12 H 0.198      
13 H 0.201      
14 H 0.201      
15 H 0.201      
16 H 0.201      


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 -40.745 2.251 0.000
y 2.251 -30.408 0.000
z 0.000 0.000 -38.166
Traceless
 xyz
x -6.458 2.251 0.000
y 2.251 9.047 0.000
z 0.000 0.000 -2.589
Polar
3z2-r2-5.179
x2-y2-10.336
xy2.251
xz0.000
yz0.000


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> 268.420
(<r2>)1/2 16.384