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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-308.478535
Energy at 298.15K-308.490032
Nuclear repulsion energy251.334314
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/cc-pVDZ
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 3057 3039 0.00      
2 Ag 2892 2875 0.00      
3 Ag 2878 2861 0.00      
4 Ag 1454 1446 0.00      
5 Ag 1428 1420 0.00      
6 Ag 1410 1402 0.00      
7 Ag 1376 1368 0.00      
8 Ag 1189 1182 0.00      
9 Ag 1145 1138 0.00      
10 Ag 1056 1049 0.00      
11 Ag 998 992 0.00      
12 Ag 389 386 0.00      
13 Ag 323 321 0.00      
14 Au 2938 2920 12.88      
15 Au 2930 2913 256.69      
16 Au 1399 1391 12.12      
17 Au 1171 1164 10.80      
18 Au 1120 1114 2.26      
19 Au 810 806 0.13      
20 Au 244 243 6.07      
21 Au 92 91 6.78      
22 Au 67 66 1.65      
23 Bg 2936 2919 0.00      
24 Bg 2906 2889 0.00      
25 Bg 1399 1391 0.00      
26 Bg 1230 1223 0.00      
27 Bg 1140 1133 0.00      
28 Bg 1100 1094 0.00      
29 Bg 232 230 0.00      
30 Bg 126 125 0.00      
31 Bu 3057 3039 51.99      
32 Bu 2892 2875 163.23      
33 Bu 2879 2862 86.35      
34 Bu 1460 1452 1.13      
35 Bu 1426 1418 28.44      
36 Bu 1402 1394 3.16      
37 Bu 1292 1284 28.42      
38 Bu 1169 1163 245.04      
39 Bu 1138 1132 135.37      
40 Bu 954 948 58.93      
41 Bu 489 487 3.51      
42 Bu 140 139 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 29864.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 29690.9 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 PBEPBE/cc-pVDZ
ABC
0.61733 0.04280 0.04131

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.433 1.747 0.000
O2 -0.433 -1.747 0.000
C3 0.283 -2.967 0.000
C4 -0.283 2.967 0.000
C5 -0.433 0.626 0.000
C6 0.433 -0.626 0.000
H7 0.461 3.786 0.000
H8 -0.461 -3.786 0.000
H9 0.934 -3.071 0.903
H10 0.934 -3.071 -0.903
H11 -0.934 3.071 0.903
H12 -0.934 3.071 -0.903
H13 -1.098 0.623 0.900
H14 -1.098 0.623 -0.900
H15 1.098 -0.623 0.900
H16 1.098 -0.623 -0.900

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.60064.71651.41411.41722.37332.03915.60554.92794.92792.10632.10632.10232.10232.62092.6209
O23.60061.41414.71652.37331.41725.60552.03912.10632.10634.92794.92792.62092.62092.10232.1023
C34.71651.41415.96043.66332.34566.75541.10711.11791.11796.22516.22513.94993.94992.63982.6398
C41.41414.71655.96042.34563.66331.10716.75546.22516.22511.11791.11792.63982.63983.94993.9499
C51.41722.37333.66332.34561.52233.28454.41234.04384.04382.65422.65421.11881.11882.17112.1711
C62.37331.41722.34563.66331.52234.41233.28452.65422.65424.04384.04382.17112.17111.11881.1188
H72.03915.60556.75541.10713.28454.41237.62866.93276.93271.80931.80933.64003.64004.54474.5447
H85.60552.03911.10716.75544.41233.28457.62861.80931.80936.93276.93274.54474.54473.64003.6400
H94.92792.10631.11796.22514.04382.65426.93271.80931.80576.42006.66904.21604.58512.45393.0447
H104.92792.10631.11796.22514.04382.65426.93271.80931.80576.66906.42004.58514.21603.04472.4539
H112.10634.92796.22511.11792.65424.04381.80936.93276.42006.66901.80572.45393.04474.21604.5851
H122.10634.92796.22511.11792.65424.04381.80936.93276.66906.42001.80573.04472.45394.58514.2160
H132.10232.62093.94992.63981.11882.17113.64004.54474.21604.58512.45393.04471.79922.52513.1005
H142.10232.62093.94992.63981.11882.17113.64004.54474.58514.21603.04472.45391.79923.10052.5251
H152.62092.10232.63983.94992.17111.11884.54473.64002.45393.04474.21604.58512.52513.10051.7992
H162.62092.10232.63983.94992.17111.11884.54473.64003.04472.45394.58514.21603.10052.52511.7992

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 107.325 O1 C4 H11 112.050
O1 C4 H12 112.050 O1 C5 C6 107.629
O1 C5 H13 111.452 O1 C5 H14 111.452
O2 C3 H8 107.325 O2 C3 H9 112.050
O2 C3 H10 112.050 O2 C6 C5 107.629
O2 C6 H15 111.452 O2 C6 H16 111.452
C3 O2 C6 111.883 C4 O1 C5 111.883
C5 C6 H15 109.629 C5 C6 H16 109.629
C6 C5 H13 109.629 C6 C5 H14 109.629
H7 C4 H11 108.808 H7 C4 H12 108.808
H8 C3 H9 108.808 H8 C3 H10 108.808
H9 C3 H10 107.721 H11 C4 H12 107.721
H13 C5 H14 107.044 H15 C6 H16 107.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.285      
2 O -0.285      
3 C 0.078      
4 C 0.078      
5 C 0.095      
6 C 0.095      
7 H 0.038      
8 H 0.038      
9 H 0.018      
10 H 0.018      
11 H 0.018      
12 H 0.018      
13 H 0.019      
14 H 0.019      
15 H 0.019      
16 H 0.019      


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 -39.392 -3.344 0.000
y -3.344 -32.300 0.000
z 0.000 0.000 -38.577
Traceless
 xyz
x -3.953 -3.344 0.000
y -3.344 6.685 0.000
z 0.000 0.000 -2.731
Polar
3z2-r2-5.463
x2-y2-7.092
xy-3.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.461 -0.333 0.000
y -0.333 10.968 0.000
z 0.000 0.000 7.304


<r2> (average value of r2) Å2
<r2> 271.535
(<r2>)1/2 16.478