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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-308.476664
Energy at 298.15K-308.488207
Nuclear repulsion energy251.432174
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 PBEPBE/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 3067 3025 0.00      
2 Ag 2909 2869 0.00      
3 Ag 2896 2856 0.00      
4 Ag 1495 1475 0.00      
5 Ag 1467 1447 0.00      
6 Ag 1442 1422 0.00      
7 Ag 1402 1382 0.00      
8 Ag 1203 1186 0.00      
9 Ag 1143 1128 0.00      
10 Ag 1059 1045 0.00      
11 Ag 1000 986 0.00      
12 Ag 390 384 0.00      
13 Ag 325 321 0.00      
14 Au 2954 2913 5.80      
15 Au 2948 2908 250.88      
16 Au 1445 1425 11.34      
17 Au 1197 1181 10.26      
18 Au 1142 1126 1.25      
19 Au 817 805 0.11      
20 Au 248 245 6.61      
21 Au 98 97 7.32      
22 Au 69 68 2.62      
23 Bg 2952 2911 0.00      
24 Bg 2924 2884 0.00      
25 Bg 1445 1425 0.00      
26 Bg 1253 1235 0.00      
27 Bg 1162 1146 0.00      
28 Bg 1120 1105 0.00      
29 Bg 236 233 0.00      
30 Bg 128 126 0.00      
31 Bu 3067 3025 57.99      
32 Bu 2911 2871 152.10      
33 Bu 2898 2858 86.33      
34 Bu 1502 1481 1.43      
35 Bu 1469 1449 25.05      
36 Bu 1436 1416 5.20      
37 Bu 1317 1299 27.91      
38 Bu 1181 1165 149.22      
39 Bu 1144 1129 211.53      
40 Bu 954 941 56.49      
41 Bu 493 486 3.60      
42 Bu 143 141 3.42      

Unscaled Zero Point Vibrational Energy (zpe) 30224.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 29810.5 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 PBEPBE/6-31G**
ABC
0.61900 0.04277 0.04127

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.434 1.748 0.000
O2 -0.434 -1.748 0.000
C3 0.285 -2.969 0.000
C4 -0.285 2.969 0.000
C5 -0.434 0.626 0.000
C6 0.434 -0.626 0.000
H7 0.456 3.783 0.000
H8 -0.456 -3.783 0.000
H9 0.930 -3.072 0.898
H10 0.930 -3.072 -0.898
H11 -0.930 3.072 0.898
H12 -0.930 3.072 -0.898
H13 -1.094 0.623 0.895
H14 -1.094 0.623 -0.895
H15 1.094 -0.623 0.895
H16 1.094 -0.623 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.60324.71971.41641.41912.37482.03455.60254.92794.92792.10202.10202.09812.09812.61952.6195
O23.60321.41644.71972.37481.41915.60252.03452.10202.10204.92794.92792.61952.61952.09812.0981
C34.71971.41645.96493.66632.34736.75381.10051.11071.11076.22646.22643.95033.95032.63762.6376
C41.41644.71975.96492.34733.66631.10056.75386.22646.22641.11071.11072.63762.63763.95033.9503
C51.41912.37483.66632.34731.52433.27974.40924.04254.04252.65172.65171.11171.11172.16742.1674
C62.37481.41912.34733.66631.52434.40923.27972.65172.65174.04254.04252.16742.16741.11171.1117
H72.03455.60256.75381.10053.27974.40927.62046.92926.92921.79821.79823.63113.63114.54124.5412
H85.60252.03451.10056.75384.40923.27977.62041.79821.79826.92926.92924.54124.54123.63113.6311
H94.92792.10201.11076.22644.04252.65176.92921.79821.79626.41856.66514.21294.57862.45363.0390
H104.92792.10201.11076.22644.04252.65176.92921.79821.79626.66516.41854.57864.21293.03902.4536
H112.10204.92796.22641.11072.65174.04251.79826.92926.41856.66511.79622.45363.03904.21294.5786
H122.10204.92796.22641.11072.65174.04251.79826.92926.66516.41851.79623.03902.45364.57864.2129
H132.09812.61953.95032.63761.11172.16743.63114.54124.21294.57862.45363.03901.79002.51793.0893
H142.09812.61953.95032.63761.11172.16743.63114.54124.57864.21293.03902.45361.79003.08932.5179
H152.61952.09812.63763.95032.16741.11174.54123.63112.45363.03904.21294.57862.51793.08931.7900
H162.61952.09812.63763.95032.16741.11174.54123.63113.03902.45364.57864.21293.08932.51791.7900

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 107.194 O1 C4 H11 112.001
O1 C4 H12 112.001 O1 C5 C6 107.516
O1 C5 H13 111.417 O1 C5 H14 111.417
O2 C3 H8 107.194 O2 C3 H9 112.001
O2 C3 H10 112.001 O2 C6 C5 107.516
O2 C6 H15 111.417 O2 C6 H16 111.417
C3 O2 C6 111.750 C4 O1 C5 111.750
C5 C6 H15 109.627 C5 C6 H16 109.627
C6 C5 H13 109.627 C6 C5 H14 109.627
H7 C4 H11 108.822 H7 C4 H12 108.822
H8 C3 H9 108.822 H8 C3 H10 108.822
H9 C3 H10 107.922 H11 C4 H12 107.922
H13 C5 H14 107.235 H15 C6 H16 107.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.440      
2 O -0.440      
3 C -0.121      
4 C -0.121      
5 C 0.009      
6 C 0.009      
7 H 0.129      
8 H 0.129      
9 H 0.106      
10 H 0.106      
11 H 0.106      
12 H 0.106      
13 H 0.106      
14 H 0.106      
15 H 0.106      
16 H 0.106      


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 -39.097 -3.819 0.000
y -3.819 -31.606 0.000
z 0.000 0.000 -38.210
Traceless
 xyz
x -4.189 -3.819 0.000
y -3.819 7.047 0.000
z 0.000 0.000 -2.858
Polar
3z2-r2-5.716
x2-y2-7.491
xy-3.819
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.086 -0.208 0.000
y -0.208 10.400 0.000
z 0.000 0.000 6.988


<r2> (average value of r2) Å2
<r2> 271.321
(<r2>)1/2 16.472