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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-308.884026
Energy at 298.15K-308.895612
Nuclear repulsion energy251.677435
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 B3LYP/6-31+G**
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 3132 3020 0.00      
2 Ag 2990 2883 0.00      
3 Ag 2979 2872 0.00      
4 Ag 1527 1473 0.00      
5 Ag 1506 1452 0.00      
6 Ag 1482 1429 0.00      
7 Ag 1444 1392 0.00      
8 Ag 1235 1191 0.00      
9 Ag 1158 1117 0.00      
10 Ag 1079 1040 0.00      
11 Ag 1009 973 0.00      
12 Ag 394 380 0.00      
13 Ag 329 317 0.00      
14 Au 3040 2931 63.42      
15 Au 3030 2922 172.68      
16 Au 1490 1436 14.94      
17 Au 1235 1190 14.55      
18 Au 1175 1133 3.55      
19 Au 837 807 0.37      
20 Au 235 226 9.23      
21 Au 99 96 10.54      
22 Au 72 70 2.99      
23 Bg 3031 2922 0.00      
24 Bg 3014 2906 0.00      
25 Bg 1490 1436 0.00      
26 Bg 1295 1249 0.00      
27 Bg 1189 1146 0.00      
28 Bg 1150 1109 0.00      
29 Bg 221 213 0.00      
30 Bg 124 120 0.00      
31 Bu 3132 3020 58.38      
32 Bu 2994 2886 142.53      
33 Bu 2978 2872 110.24      
34 Bu 1534 1479 3.30      
35 Bu 1506 1452 23.11      
36 Bu 1476 1423 1.82      
37 Bu 1363 1314 26.40      
38 Bu 1216 1172 116.12      
39 Bu 1157 1116 285.65      
40 Bu 955 921 69.07      
41 Bu 503 485 3.50      
42 Bu 145 140 4.43      

Unscaled Zero Point Vibrational Energy (zpe) 30974.7 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 29865.8 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 B3LYP/6-31+G**
ABC
0.63214 0.04255 0.04112

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.353 1.189 0.000
O2 -1.353 -1.189 0.000
C3 -1.486 -2.600 0.000
C4 1.486 2.600 0.000
C5 0.000 0.761 0.000
C6 0.000 -0.761 0.000
H7 2.556 2.820 0.000
H8 -2.556 -2.820 0.000
H9 -1.025 -3.045 0.895
H10 -1.025 -3.045 -0.895
H11 1.025 3.045 0.895
H12 1.025 3.045 -0.895
H13 -0.528 1.135 0.891
H14 -0.528 1.135 -0.891
H15 0.528 -1.135 0.891
H16 0.528 -1.135 -0.891

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.60224.73421.41641.41892.37312.02635.59884.93824.93822.08642.08642.08172.08172.62222.6222
O23.60221.41644.73422.37311.41895.59882.02632.08642.08644.93824.93822.62222.62222.08172.0817
C34.73421.41645.98853.67402.36426.76041.09221.10111.10116.24266.24263.95713.95712.64472.6447
C41.41644.73425.98852.36423.67401.09226.76046.24266.24261.10111.10112.64472.64473.95713.9571
C51.41892.37313.67402.36421.52123.28204.39894.04194.04192.65922.65921.10121.10122.16012.1601
C62.37311.41892.36423.67401.52124.39893.28202.65922.65924.04194.04192.16012.16011.10121.1012
H72.02635.59886.76041.09223.28204.39897.61126.92976.92971.78751.78753.62513.62514.53274.5327
H85.59882.02631.09226.76044.39893.28207.61121.78751.78756.92976.92974.53274.53273.62513.6251
H94.93822.08641.10116.24264.04192.65926.92971.78751.79026.42636.67104.20994.57302.46193.0413
H104.93822.08641.10116.24264.04192.65926.92971.78751.79026.67106.42634.57304.20993.04132.4619
H112.08644.93826.24261.10112.65924.04191.78756.92976.42636.67101.79022.46193.04134.20994.5730
H122.08644.93826.24261.10112.65924.04191.78756.92976.67106.42631.79023.04132.46194.57304.2099
H132.08172.62223.95712.64471.10122.16013.62514.53274.20994.57302.46193.04131.78132.50413.0730
H142.08172.62223.95712.64471.10122.16013.62514.53274.57304.20993.04132.46191.78133.07302.5041
H152.62222.08172.64473.95712.16011.10124.53273.62512.46193.04134.20994.57302.50413.07301.7813
H162.62222.08172.64473.95712.16011.10124.53273.62513.04132.46194.57304.20993.07302.50411.7813

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 107.038 O1 C4 H11 111.323
O1 C4 H12 111.323 O1 C5 C6 107.588
O1 C5 H13 110.761 O1 C5 H14 110.761
O2 C3 H8 107.038 O2 C3 H9 111.323
O2 C3 H10 111.323 O2 C6 C5 107.588
O2 C6 H15 110.761 O2 C6 H16 110.761
C3 O2 C6 112.993 C4 O1 C5 112.993
C5 C6 H15 109.885 C5 C6 H16 109.885
C6 C5 H13 109.885 C6 C5 H14 109.885
H7 C4 H11 109.174 H7 C4 H12 109.174
H8 C3 H9 109.174 H8 C3 H10 109.174
H9 C3 H10 108.759 H11 C4 H12 108.759
H13 C5 H14 107.964 H15 C6 H16 107.964
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.355     -0.440
2 O -0.355     -0.436
3 C -0.185     0.095
4 C -0.185     0.088
5 C -0.121     0.167
6 C -0.121     0.141
7 H 0.145     0.061
8 H 0.145     0.059
9 H 0.126     0.026
10 H 0.126     0.026
11 H 0.126     0.027
12 H 0.126     0.027
13 H 0.132     0.036
14 H 0.132     0.036
15 H 0.132     0.043
16 H 0.132     0.043


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 -0.004 -0.013 0.000 0.014


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.145 2.364 0.000
y 2.364 -30.368 0.000
z 0.000 0.000 -38.817
Traceless
 xyz
x -7.553 2.364 0.000
y 2.364 10.113 0.000
z 0.000 0.000 -2.560
Polar
3z2-r2-5.120
x2-y2-11.778
xy2.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.658 1.239 0.000
y 1.239 9.974 0.000
z 0.000 0.000 7.607


<r2> (average value of r2) Å2
<r2> 272.519
(<r2>)1/2 16.508