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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-194.260719
Energy at 298.15K-194.269651
HF Energy-194.260719
Nuclear repulsion energy133.918694
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 B1B95/aug-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 A' 3159 3026 30.24      
2 A' 3159 3026 19.34      
3 A' 3072 2943 17.51      
4 A' 3001 2875 90.10      
5 A' 2986 2861 40.35      
6 A' 1503 1440 3.16      
7 A' 1478 1416 3.28      
8 A' 1475 1412 4.87      
9 A' 1451 1390 1.94      
10 A' 1411 1352 29.84      
11 A' 1367 1309 1.19      
12 A' 1233 1182 66.28      
13 A' 1187 1137 123.97      
14 A' 1111 1064 3.26      
15 A' 1059 1014 21.10      
16 A' 875 838 9.22      
17 A' 465 445 0.64      
18 A' 286 273 2.62      
19 A" 3162 3029 25.81      
20 A" 3056 2927 53.05      
21 A" 3021 2893 66.28      
22 A" 1461 1400 9.89      
23 A" 1455 1394 4.06      
24 A" 1286 1232 1.94      
25 A" 1184 1134 8.75      
26 A" 1153 1104 0.06      
27 A" 813 779 0.46      
28 A" 254 244 1.75      
29 A" 204 196 1.24      
30 A" 115 111 2.46      

Unscaled Zero Point Vibrational Energy (zpe) 23720.0 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 22721.4 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 B1B95/aug-cc-pVDZ
ABC
0.94598 0.13956 0.13065

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.308 1.238 0.000
O2 0.007 0.713 0.000
C3 0.000 -0.697 0.000
C4 -1.429 -1.178 0.000
H5 1.225 2.328 0.000
H6 1.870 0.921 0.894
H7 1.870 0.921 -0.894
H8 0.538 -1.071 -0.888
H9 0.538 -1.071 0.888
H10 -1.458 -2.273 0.000
H11 -1.957 -0.816 0.888
H12 -1.957 -0.816 -0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40292.33513.65101.09321.10231.10232.59092.59094.46993.95883.9588
O21.40291.40982.37492.02222.07682.07682.06282.06283.32662.64332.6433
C32.33511.40981.50813.26282.62912.62911.10411.10412.14772.15272.1527
C43.65102.37491.50814.39714.01124.01122.16122.16121.09541.09481.0948
H51.09322.02223.26284.39711.78751.78753.57953.57955.32614.56064.5606
H61.10232.07682.62914.01121.78751.78772.98632.39624.69884.20324.5653
H71.10232.07682.62914.01121.78751.78772.39622.98634.69884.56534.2032
H82.59092.06281.10412.16123.57952.98632.39621.77662.49393.07372.5084
H92.59092.06281.10412.16123.57952.39622.98631.77662.49392.50843.0737
H104.46993.32662.14771.09545.32614.69884.69882.49392.49391.77771.7777
H113.95882.64332.15271.09484.56064.20324.56533.07372.50841.77771.7761
H123.95882.64332.15271.09484.56064.56534.20322.50843.07371.77771.7761

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.236 O2 C1 H5 107.565
O2 C1 H6 111.424 O2 C1 H7 111.424
O2 C3 C4 108.913 O2 C3 H8 109.684
O2 C3 H9 109.684 C3 C4 H10 110.149
C3 C4 H11 110.585 C3 C4 H12 110.585
C4 C3 H8 110.703 C4 C3 H9 110.703
H5 C1 H6 109.005 H5 C1 H7 109.005
H6 C1 H7 108.366 H8 C3 H9 107.135
H10 C4 H11 108.518 H10 C4 H12 108.518
H11 C4 H12 108.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.913      
2 O -0.573      
3 C 0.917      
4 C 0.521      
5 H -0.371      
6 H -0.150      
7 H -0.150      
8 H -0.319      
9 H -0.319      
10 H -0.135      
11 H -0.167      
12 H -0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.900 -0.735 0.000 1.162
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.965 1.752 0.000
y 1.752 -25.867 0.000
z 0.000 0.000 -26.658
Traceless
 xyz
x 0.298 1.752 0.000
y 1.752 0.444 0.000
z 0.000 0.000 -0.742
Polar
3z2-r2-1.484
x2-y2-0.097
xy1.752
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.329 0.834 0.000
y 0.834 7.193 0.000
z 0.000 0.000 6.173


<r2> (average value of r2) Å2
<r2> 102.892
(<r2>)1/2 10.144