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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-193.052661
Energy at 298.15K-193.061698
HF Energy-193.052661
Nuclear repulsion energy132.629874
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 HF/LANL2DZ
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' 3338 3004 51.56      
2 A' 3292 2963 64.64      
3 A' 3210 2889 32.59      
4 A' 3189 2869 140.27      
5 A' 3178 2860 30.84      
6 A' 1678 1510 2.65      
7 A' 1652 1487 4.67      
8 A' 1649 1484 10.21      
9 A' 1616 1454 0.07      
10 A' 1572 1415 25.70      
11 A' 1547 1392 15.65      
12 A' 1336 1202 54.80      
13 A' 1242 1118 129.91      
14 A' 1215 1093 27.07      
15 A' 1102 992 18.73      
16 A' 911 820 17.33      
17 A' 479 431 1.42      
18 A' 291 262 5.41      
19 A" 3310 2979 71.00      
20 A" 3253 2927 108.37      
21 A" 3224 2901 63.41      
22 A" 1647 1482 9.87      
23 A" 1631 1468 6.54      
24 A" 1415 1273 1.04      
25 A" 1297 1167 15.18      
26 A" 1259 1133 0.16      
27 A" 906 815 0.72      
28 A" 262 236 3.46      
29 A" 200 180 4.16      
30 A" 109 98 6.66      

Unscaled Zero Point Vibrational Energy (zpe) 25504.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 22951.2 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 HF/LANL2DZ
ABC
0.95157 0.13456 0.12616

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.266 1.353 0.000
O2 0.000 0.691 0.000
C3 0.033 -0.744 0.000
C4 -1.402 -1.247 0.000
H5 1.067 2.413 0.000
H6 1.843 1.095 0.885
H7 1.843 1.095 -0.885
H8 0.568 -1.095 -0.880
H9 0.568 -1.095 0.880
H10 -1.425 -2.332 0.000
H11 -1.925 -0.888 0.877
H12 -1.925 -0.888 -0.877

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.42912.43223.72571.07851.08681.08682.69322.69324.56363.99733.9973
O21.42911.43472.39192.02572.08362.08362.07012.07013.34232.63992.6399
C32.43221.43471.52103.32122.72712.72711.08781.08782.15692.15082.1508
C43.72572.39191.52104.41484.09834.09832.16272.16271.08521.08271.0827
H51.07852.02573.32124.41481.76641.76643.65053.65055.35984.54084.5408
H61.08682.08362.72714.09831.76641.76953.08782.53394.81774.25794.6080
H71.08682.08362.72714.09831.76641.76952.53393.08784.81774.60804.2579
H82.69322.07011.08782.16273.65053.08782.53391.75982.50583.05702.5016
H92.69322.07011.08782.16273.65052.53393.08781.75982.50582.50163.0570
H104.56363.34232.15691.08525.35984.81774.81772.50582.50581.76191.7619
H113.99732.63992.15081.08274.54084.25794.60803.05702.50161.76191.7544
H123.99732.63992.15081.08274.54084.60804.25792.50163.05701.76191.7544

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 116.270 O2 C1 H5 106.940
O2 C1 H6 111.093 O2 C1 H7 111.093
O2 C3 C4 108.011 O2 C3 H8 109.526
O2 C3 H9 109.526 C3 C4 H10 110.590
C3 C4 H11 110.256 C3 C4 H12 110.256
C4 C3 H8 110.899 C4 C3 H9 110.899
H5 C1 H6 109.337 H5 C1 H7 109.337
H6 C1 H7 108.999 H8 C3 H9 107.969
H10 C4 H11 108.723 H10 C4 H12 108.723
H11 C4 H12 108.232
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.290      
2 O -0.501      
3 C -0.025      
4 C -0.537      
5 H 0.198      
6 H 0.165      
7 H 0.165      
8 H 0.148      
9 H 0.148      
10 H 0.155      
11 H 0.187      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.655 -0.982 0.000 1.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.227 2.402 0.000
y 2.402 -25.324 0.000
z 0.000 0.000 -26.467
Traceless
 xyz
x 0.668 2.402 0.000
y 2.402 0.523 0.000
z 0.000 0.000 -1.191
Polar
3z2-r2-2.382
x2-y20.097
xy2.402
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.059 0.577 0.000
y 0.577 5.408 0.000
z 0.000 0.000 4.532


<r2> (average value of r2) Å2
<r2> 105.212
(<r2>)1/2 10.257