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

using model chemistry: LSDA/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/TZVP
 hartrees
Energy at 0K-193.390587
Energy at 298.15K-193.399513
HF Energy-193.390587
Nuclear repulsion energy134.571331
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 LSDA/TZVP
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' 3071 3035 11.30      
2 A' 3061 3026 16.03      
3 A' 2984 2949 11.02      
4 A' 2886 2853 76.79      
5 A' 2864 2831 45.96      
6 A' 1463 1446 5.73      
7 A' 1435 1418 3.11      
8 A' 1427 1410 7.53      
9 A' 1407 1391 5.91      
10 A' 1370 1355 33.90      
11 A' 1330 1314 2.13      
12 A' 1206 1192 126.97      
13 A' 1173 1160 51.49      
14 A' 1091 1078 2.04      
15 A' 1049 1037 28.71      
16 A' 863 853 8.42      
17 A' 466 461 0.64      
18 A' 284 281 3.12      
19 A" 3067 3032 13.35      
20 A" 2931 2897 45.05      
21 A" 2887 2853 76.19      
22 A" 1406 1390 14.92      
23 A" 1403 1387 7.10      
24 A" 1246 1231 2.22      
25 A" 1154 1140 9.06      
26 A" 1122 1109 0.75      
27 A" 797 788 1.01      
28 A" 266 263 2.06      
29 A" 214 212 0.86      
30 A" 123 122 2.74      

Unscaled Zero Point Vibrational Energy (zpe) 23022.6 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 22755.6 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 LSDA/TZVP
ABC
0.94552 0.14196 0.13281

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.295 1.223 0.000
O2 -0.000 0.713 0.000
C3 0.000 -0.686 0.000
C4 -1.413 -1.172 0.000
H5 1.229 2.319 0.000
H6 1.863 0.900 0.897
H7 1.863 0.900 -0.897
H8 0.548 -1.063 -0.892
H9 0.548 -1.063 0.892
H10 -1.448 -2.271 0.000
H11 -1.946 -0.808 0.890
H12 -1.946 -0.808 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39172.30653.61511.09831.11011.11012.56532.56534.44163.92683.9268
O21.39171.39852.35562.02262.07622.07622.06182.06183.31622.62522.6252
C32.30651.39851.49453.24662.60562.60561.11291.11292.14662.14332.1433
C43.61512.35561.49454.37823.97873.97872.15742.15741.09941.09951.0995
H51.09832.02263.24664.37821.79521.79523.56403.56405.31344.54444.5444
H61.11012.07622.60563.97871.79521.79392.96352.36284.67084.17424.5408
H71.11012.07622.60563.97871.79521.79392.36282.96354.67084.54084.1742
H82.56532.06181.11292.15743.56402.96352.36281.78372.49733.07602.5070
H92.56532.06181.11292.15743.56402.36282.96351.78372.49732.50703.0760
H104.44163.31622.14661.09945.31344.67084.67082.49732.49731.78341.7834
H113.92682.62522.14331.09954.54444.17424.54083.07602.50701.78341.7810
H123.92682.62522.14331.09954.54444.54084.17422.50703.07601.78341.7810

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 111.511 O2 C1 H5 108.068
O2 C1 H6 111.686 O2 C1 H7 111.686
O2 C3 C4 108.979 O2 C3 H8 109.840
O2 C3 H9 109.840 C3 C4 H10 110.772
C3 C4 H11 110.510 C3 C4 H12 110.510
C4 C3 H8 110.818 C4 C3 H9 110.818
H5 C1 H6 108.762 H5 C1 H7 108.762
H6 C1 H7 107.803 H8 C3 H9 106.524
H10 C4 H11 108.394 H10 C4 H12 108.394
H11 C4 H12 108.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 O -0.226      
3 C -0.194      
4 C -0.460      
5 H 0.176      
6 H 0.139      
7 H 0.139      
8 H 0.137      
9 H 0.137      
10 H 0.155      
11 H 0.169      
12 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.935 -0.701 0.000 1.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.202 1.984 0.000
y 1.984 -26.065 0.000
z 0.000 0.000 -27.119
Traceless
 xyz
x 0.390 1.984 0.000
y 1.984 0.595 0.000
z 0.000 0.000 -0.985
Polar
3z2-r2-1.970
x2-y2-0.137
xy1.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.934 0.710 0.000
y 0.710 6.918 0.000
z 0.000 0.000 6.196


<r2> (average value of r2) Å2
<r2> 101.900
(<r2>)1/2 10.095