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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-308.855957
Energy at 298.15K-308.867617
Nuclear repulsion energy252.234484
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/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 Ag 3134 3003 0.00      
2 Ag 2993 2867 0.00      
3 Ag 2980 2854 0.00      
4 Ag 1559 1494 0.00      
5 Ag 1534 1470 0.00      
6 Ag 1509 1446 0.00      
7 Ag 1466 1404 0.00      
8 Ag 1252 1200 0.00      
9 Ag 1177 1127 0.00      
10 Ag 1088 1043 0.00      
11 Ag 1026 983 0.00      
12 Ag 398 381 0.00      
13 Ag 334 320 0.00      
14 Au 3033 2905 34.73      
15 Au 3030 2903 234.76      
16 Au 1515 1451 9.70      
17 Au 1250 1198 12.63      
18 Au 1190 1140 2.61      
19 Au 847 811 0.46      
20 Au 248 237 8.34      
21 Au 107 103 7.11      
22 Au 71 68 3.78      
23 Bg 3030 2903 0.00      
24 Bg 3006 2880 0.00      
25 Bg 1515 1451 0.00      
26 Bg 1309 1254 0.00      
27 Bg 1208 1157 0.00      
28 Bg 1168 1118 0.00      
29 Bg 233 224 0.00      
30 Bg 127 122 0.00      
31 Bu 3134 3002 69.34      
32 Bu 2994 2868 150.98      
33 Bu 2981 2856 75.74      
34 Bu 1567 1501 1.83      
35 Bu 1535 1471 22.90      
36 Bu 1503 1440 7.87      
37 Bu 1381 1323 39.04      
38 Bu 1233 1181 135.86      
39 Bu 1178 1128 260.30      
40 Bu 975 934 61.51      
41 Bu 508 487 4.10      
42 Bu 148 142 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 31236.3 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 29924.4 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/6-31G*
ABC
0.63226 0.04281 0.04136

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.432 1.744 0.000
O2 -0.432 -1.744 0.000
C3 0.263 -2.971 0.000
C4 -0.263 2.971 0.000
C5 -0.432 0.626 0.000
C6 0.432 -0.626 0.000
H7 0.486 3.768 0.000
H8 -0.486 -3.768 0.000
H9 0.900 -3.079 0.893
H10 0.900 -3.079 -0.893
H11 -0.900 3.079 0.893
H12 -0.900 3.079 -0.893
H13 -1.085 0.627 0.889
H14 -1.085 0.627 -0.889
H15 1.085 -0.627 0.889
H16 1.085 -0.627 -0.889

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.59324.71811.41071.41322.36992.02475.58764.92724.92722.08722.08722.08312.08312.61472.6147
O23.59321.41074.71812.36991.41325.58762.02472.08722.08724.92724.92722.61472.61472.08312.0831
C34.71811.41075.96573.66392.35126.74271.09341.10241.10246.22556.22553.94383.94382.63842.6384
C41.41074.71815.96572.35123.66391.09346.74276.22556.22551.10241.10242.63842.63843.94383.9438
C51.41322.36993.66392.35121.52183.27324.39424.03764.03762.65212.65211.10271.10272.15922.1592
C62.36991.41322.35123.66391.52184.39423.27322.65212.65214.03764.03762.15922.15921.10271.1027
H72.02475.58766.74271.09343.27324.39427.59806.91736.91731.78701.78703.62253.62254.52364.5236
H85.58762.02471.09346.74274.39423.27327.59801.78701.78706.91736.91734.52364.52363.62253.6225
H94.92722.08721.10246.22554.03762.65216.91731.78701.78596.41616.66004.20424.56632.45903.0368
H104.92722.08721.10246.22554.03762.65216.91731.78701.78596.66006.41614.56634.20423.03682.4590
H112.08724.92726.22551.10242.65214.03761.78706.91736.41616.66001.78592.45903.03684.20424.5663
H122.08724.92726.22551.10242.65214.03761.78706.91736.66006.41611.78593.03682.45904.56634.2042
H132.08312.61473.94382.63841.10272.15923.62254.52364.20424.56632.45903.03681.77822.50583.0726
H142.08312.61473.94382.63841.10272.15923.62254.52364.56634.20423.03682.45901.77823.07262.5058
H152.61472.08312.63843.94382.15921.10274.52363.62252.45903.03684.20424.56632.50583.07261.7782
H162.61472.08312.63843.94382.15921.10274.52363.62253.03682.45904.56634.20423.07262.50581.7782

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 107.233 O1 C4 H11 111.724
O1 C4 H12 111.724 O1 C5 C6 107.643
O1 C5 H13 111.181 O1 C5 H14 111.181
O2 C3 H8 107.233 O2 C3 H9 111.724
O2 C3 H10 111.724 O2 C6 C5 107.643
O2 C6 H15 111.181 O2 C6 H16 111.181
C3 O2 C6 112.741 C4 O1 C5 112.741
C5 C6 H15 109.685 C5 C6 H16 109.685
C6 C5 H13 109.685 C6 C5 H14 109.685
H7 C4 H11 108.950 H7 C4 H12 108.950
H8 C3 H9 108.950 H8 C3 H10 108.950
H9 C3 H10 108.198 H11 C4 H12 108.198
H13 C5 H14 107.466 H15 C6 H16 107.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.467      
2 O -0.467      
3 C -0.189      
4 C -0.189      
5 C -0.024      
6 C -0.024      
7 H 0.158      
8 H 0.158      
9 H 0.131      
10 H 0.131      
11 H 0.131      
12 H 0.131      
13 H 0.130      
14 H 0.130      
15 H 0.130      
16 H 0.130      


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 -39.137 -4.030 0.000
y -4.030 -31.419 0.000
z 0.000 0.000 -38.078
Traceless
 xyz
x -4.388 -4.030 0.000
y -4.030 7.188 0.000
z 0.000 0.000 -2.800
Polar
3z2-r2-5.600
x2-y2-7.718
xy-4.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.746 -0.122 0.000
y -0.122 9.695 0.000
z 0.000 0.000 6.684


<r2> (average value of r2) Å2
<r2> 270.639
(<r2>)1/2 16.451