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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-308.979620
Energy at 298.15K-308.991191
Nuclear repulsion energy252.564501
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/cc-pVTZ
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 3108 3004 0.00      
2 Ag 2973 2874 0.00      
3 Ag 2962 2864 0.00      
4 Ag 1527 1476 0.00      
5 Ag 1505 1455 0.00      
6 Ag 1482 1433 0.00      
7 Ag 1441 1393 0.00      
8 Ag 1237 1195 0.00      
9 Ag 1156 1117 0.00      
10 Ag 1078 1042 0.00      
11 Ag 1011 977 0.00      
12 Ag 395 382 0.00      
13 Ag 328 317 0.00      
14 Au 3014 2913 41.34      
15 Au 3008 2908 196.98      
16 Au 1486 1436 12.41      
17 Au 1234 1193 12.36      
18 Au 1176 1137 3.81      
19 Au 840 812 0.33      
20 Au 228 220 7.65      
21 Au 93 90 7.77      
22 Au 69 67 2.24      
23 Bg 3009 2908 0.00      
24 Bg 2986 2886 0.00      
25 Bg 1486 1436 0.00      
26 Bg 1298 1254 0.00      
27 Bg 1192 1152 0.00      
28 Bg 1153 1115 0.00      
29 Bg 213 206 0.00      
30 Bg 121 117 0.00      
31 Bu 3108 3004 59.90      
32 Bu 2976 2877 148.59      
33 Bu 2964 2865 82.89      
34 Bu 1536 1485 3.02      
35 Bu 1506 1456 20.97      
36 Bu 1476 1427 2.11      
37 Bu 1366 1320 23.68      
38 Bu 1215 1175 102.32      
39 Bu 1155 1116 301.06      
40 Bu 958 926 61.35      
41 Bu 503 486 3.96      
42 Bu 142 138 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 30856.8 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 29826.1 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/cc-pVTZ
ABC
0.63786 0.04282 0.04138

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.345 1.190 0.000
O2 -1.345 -1.190 0.000
C3 -1.473 -2.595 0.000
C4 1.473 2.595 0.000
C5 0.000 0.758 0.000
C6 0.000 -0.758 0.000
H7 2.536 2.825 0.000
H8 -2.536 -2.825 0.000
H9 -1.012 -3.042 0.890
H10 -1.012 -3.042 -0.890
H11 1.012 3.042 0.890
H12 1.012 3.042 -0.890
H13 -0.531 1.129 0.886
H14 -0.531 1.129 -0.886
H15 0.531 -1.129 0.886
H16 0.531 -1.129 -0.886

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.59204.71881.41041.41272.36742.02285.58464.92494.92492.08092.08092.07582.07582.61262.6126
O23.59201.41044.71882.36741.41275.58462.02282.08092.08094.92494.92492.61262.61262.07582.0758
C34.71881.41045.96743.66202.35446.74161.08821.09711.09716.22376.22373.94183.94182.63642.6364
C41.41044.71885.96742.35443.66201.08826.74166.22376.22371.09711.09712.63642.63643.94183.9418
C51.41272.36743.66202.35441.51603.27204.38994.03144.03142.65142.65141.09761.09762.15122.1512
C62.36741.41272.35443.66201.51604.38993.27202.65142.65144.03144.03142.15122.15121.09761.0976
H72.02285.58466.74161.08823.27204.38997.59326.91366.91361.77851.77853.61563.61564.52094.5209
H85.58462.02281.08826.74164.38993.27207.59321.77851.77856.91366.91364.52094.52093.61563.6156
H94.92492.08091.09716.22374.03142.65146.91361.77851.77916.41106.65334.19824.55822.45753.0318
H104.92492.08091.09716.22374.03142.65146.91361.77851.77916.65336.41104.55824.19823.03182.4575
H112.08094.92496.22371.09712.65144.03141.77856.91366.41106.65331.77912.45753.03184.19824.5582
H122.08094.92496.22371.09712.65144.03141.77856.91366.65336.41101.77913.03182.45754.55824.1982
H132.07582.61263.94182.63641.09762.15123.61564.52094.19824.55822.45753.03181.77192.49543.0605
H142.07582.61263.94182.63641.09762.15123.61564.52094.55824.19823.03182.45751.77193.06052.4954
H152.61262.07582.63643.94182.15121.09764.52093.61562.45753.03184.19824.55822.49543.06051.7719
H162.61262.07582.63643.94182.15121.09764.52093.61563.03182.45754.55824.19823.06052.49541.7719

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 107.411 O1 C4 H11 111.562
O1 C4 H12 111.562 O1 C5 C6 107.818
O1 C5 H13 110.941 O1 C5 H14 110.941
O2 C3 H8 107.411 O2 C3 H9 111.562
O2 C3 H10 111.562 O2 C6 C5 107.818
O2 C6 H15 110.941 O2 C6 H16 110.941
C3 O2 C6 113.021 C4 O1 C5 113.021
C5 C6 H15 109.753 C5 C6 H16 109.753
C6 C5 H13 109.753 C6 C5 H14 109.753
H7 C4 H11 108.948 H7 C4 H12 108.948
H8 C3 H9 108.948 H8 C3 H10 108.948
H9 C3 H10 108.350 H11 C4 H12 108.350
H13 C5 H14 107.636 H15 C6 H16 107.636
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.297     -0.367
2 O -0.297     -0.366
3 C -0.087     0.040
4 C -0.087     0.029
5 C 0.048     0.145
6 C 0.048     0.120
7 H 0.104     0.070
8 H 0.104     0.067
9 H 0.061     0.031
10 H 0.061     0.031
11 H 0.061     0.033
12 H 0.061     0.033
13 H 0.055     0.031
14 H 0.055     0.031
15 H 0.055     0.037
16 H 0.055     0.037


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 -0.006 -0.014 0.000 0.015


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.065 2.140 0.000
y 2.140 -31.262 0.000
z 0.000 0.000 -38.586
Traceless
 xyz
x -6.141 2.140 0.000
y 2.140 8.564 0.000
z 0.000 0.000 -2.422
Polar
3z2-r2-4.845
x2-y2-9.803
xy2.140
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.726 1.445 0.000
y 1.445 10.466 0.000
z 0.000 0.000 7.704


<r2> (average value of r2) Å2
<r2> 270.886
(<r2>)1/2 16.459