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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-194.317930
Energy at 298.15K-194.326868
HF Energy-194.317930
Nuclear repulsion energy133.676169
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 mPW1PW91/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' 3154 3022 28.06      
2 A' 3152 3021 22.38      
3 A' 3066 2938 17.91      
4 A' 2998 2873 93.43      
5 A' 2983 2859 38.30      
6 A' 1507 1444 3.41      
7 A' 1481 1420 2.66      
8 A' 1478 1416 5.86      
9 A' 1455 1394 1.80      
10 A' 1415 1356 29.66      
11 A' 1372 1315 0.96      
12 A' 1235 1184 58.36      
13 A' 1185 1136 129.90      
14 A' 1113 1067 3.66      
15 A' 1057 1013 20.31      
16 A' 875 839 9.35      
17 A' 468 448 0.59      
18 A' 288 276 2.66      
19 A" 3156 3025 26.60      
20 A" 3053 2925 54.02      
21 A" 3019 2893 65.14      
22 A" 1465 1404 10.29      
23 A" 1460 1399 3.94      
24 A" 1290 1236 1.78      
25 A" 1187 1137 8.51      
26 A" 1156 1107 0.05      
27 A" 817 783 0.51      
28 A" 254 244 1.66      
29 A" 202 194 1.37      
30 A" 115 110 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 23727.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 22737.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.94429 0.13892 0.13008

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.310 1.242 0.000
O2 0.009 0.713 0.000
C3 0.000 -0.699 0.000
C4 -1.432 -1.181 0.000
H5 1.222 2.333 0.000
H6 1.875 0.928 0.895
H7 1.875 0.928 -0.895
H8 0.538 -1.076 -0.890
H9 0.538 -1.076 0.890
H10 -1.462 -2.277 0.000
H11 -1.962 -0.819 0.889
H12 -1.962 -0.819 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40472.34143.65921.09491.10391.10392.59982.59984.47983.96783.9678
O21.40471.41172.37972.02412.08052.08052.06642.06643.33242.64972.6497
C32.34141.41171.51133.26892.63832.63831.10571.10572.15152.15742.1574
C43.65922.37971.51134.40374.02284.02282.16422.16421.09721.09651.0965
H51.09492.02413.26894.40371.78951.78953.58883.58885.33484.56764.5676
H61.10392.08052.63834.02281.78951.79042.99772.40854.71224.21534.5775
H71.10392.08052.63834.02281.78951.79042.40852.99774.71224.57754.2153
H82.59982.06641.10572.16423.58882.99772.40851.77912.49663.07872.5128
H92.59982.06641.10572.16423.58882.40852.99771.77912.49662.51283.0787
H104.47983.33242.15151.09725.33484.71224.71222.49662.49661.78011.7801
H113.96782.64972.15741.09654.56764.21534.57753.07872.51281.78011.7786
H123.96782.64972.15741.09654.56764.57754.21532.51283.07871.78011.7786

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 112.477 O2 C1 H5 107.502
O2 C1 H6 111.502 O2 C1 H7 111.502
O2 C3 C4 108.957 O2 C3 H8 109.747
O2 C3 H9 109.747 C3 C4 H10 110.126
C3 C4 H11 110.639 C3 C4 H12 110.639
C4 C3 H8 110.623 C4 C3 H9 110.623
H5 C1 H6 108.949 H5 C1 H7 108.949
H6 C1 H7 108.379 H8 C3 H9 107.127
H10 C4 H11 108.484 H10 C4 H12 108.484
H11 C4 H12 108.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.725      
2 O -0.590      
3 C 0.790      
4 C 0.318      
5 H -0.303      
6 H -0.088      
7 H -0.088      
8 H -0.240      
9 H -0.240      
10 H -0.079      
11 H -0.102      
12 H -0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.903 -0.735 0.000 1.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.925 1.750 0.000
y 1.750 -25.835 0.000
z 0.000 0.000 -26.630
Traceless
 xyz
x 0.308 1.750 0.000
y 1.750 0.442 0.000
z 0.000 0.000 -0.750
Polar
3z2-r2-1.500
x2-y2-0.090
xy1.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.308 0.835 0.000
y 0.835 7.179 0.000
z 0.000 0.000 6.150


<r2> (average value of r2) Å2
<r2> 103.250
(<r2>)1/2 10.161