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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-194.306053
Energy at 298.15K-194.315027
HF Energy-194.306053
Nuclear repulsion energy134.285799
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/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' 3151 3015 28.72      
2 A' 3150 3014 23.92      
3 A' 3072 2939 16.58      
4 A' 2997 2868 86.34      
5 A' 2980 2851 40.61      
6 A' 1536 1469 2.37      
7 A' 1508 1443 3.89      
8 A' 1502 1437 6.98      
9 A' 1482 1418 0.44      
10 A' 1435 1373 34.69      
11 A' 1398 1338 1.49      
12 A' 1245 1192 52.12      
13 A' 1185 1134 140.31      
14 A' 1123 1075 4.58      
15 A' 1054 1009 20.54      
16 A' 880 842 11.66      
17 A' 466 446 0.59      
18 A' 285 273 2.75      
19 A" 3155 3019 26.29      
20 A" 3044 2913 59.83      
21 A" 3008 2879 71.24      
22 A" 1486 1422 10.46      
23 A" 1484 1420 3.71      
24 A" 1304 1248 2.05      
25 A" 1201 1149 9.26      
26 A" 1170 1119 0.26      
27 A" 825 790 0.35      
28 A" 265 254 2.20      
29 A" 213 204 1.36      
30 A" 116 111 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 23859.5 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 22831.1 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 B1B95/TZVP
ABC
0.95346 0.14011 0.13115

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.307 1.234 0.000
O2 0.008 0.711 0.000
C3 0.000 -0.695 0.000
C4 -1.428 -1.175 0.000
H5 1.225 2.318 0.000
H6 1.868 0.922 0.888
H7 1.868 0.922 -0.888
H8 0.533 -1.073 -0.883
H9 0.533 -1.073 0.883
H10 -1.462 -2.264 0.000
H11 -1.952 -0.813 0.882
H12 -1.952 -0.813 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40012.33063.64441.08691.09641.09642.58872.58874.46153.94863.9486
O21.40011.40662.37042.01632.07222.07222.05862.05863.31842.63532.6353
C32.33061.40661.50603.25352.62612.62611.09841.09842.14432.14552.1455
C43.64442.37041.50604.38674.00634.00632.15282.15281.08921.08841.0884
H51.08692.01633.25354.38671.77531.77533.57203.57205.31224.54794.5479
H61.09642.07222.62614.00631.77531.77682.98342.40054.69384.19614.5544
H71.09642.07222.62614.00631.77531.77682.40052.98344.69384.55444.1961
H82.58872.05861.09842.15283.57202.98342.40051.76622.48603.05952.4988
H92.58872.05861.09842.15283.57202.40052.98341.76622.48602.49883.0595
H104.46153.31842.14431.08925.31224.69384.69382.48602.48601.76691.7669
H113.94862.63532.14551.08844.54794.19614.55443.05952.49881.76691.7646
H123.94862.63532.14551.08844.54794.55444.19612.49883.05951.76691.7646

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 112.279 O2 C1 H5 107.669
O2 C1 H6 111.631 O2 C1 H7 111.631
O2 C3 C4 108.898 O2 C3 H8 109.922
O2 C3 H9 109.922 C3 C4 H10 110.401
C3 C4 H11 110.552 C3 C4 H12 110.552
C4 C3 H8 110.529 C4 C3 H9 110.529
H5 C1 H6 108.801 H5 C1 H7 108.801
H6 C1 H7 108.240 H8 C3 H9 107.029
H10 C4 H11 108.472 H10 C4 H12 108.472
H11 C4 H12 108.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 O -0.264      
3 C -0.072      
4 C -0.329      
5 H 0.131      
6 H 0.097      
7 H 0.097      
8 H 0.091      
9 H 0.091      
10 H 0.108      
11 H 0.122      
12 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.023 -0.754 0.000 1.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.666 1.907 0.000
y 1.907 -25.696 0.000
z 0.000 0.000 -26.584
Traceless
 xyz
x 0.474 1.907 0.000
y 1.907 0.429 0.000
z 0.000 0.000 -0.903
Polar
3z2-r2-1.805
x2-y20.030
xy1.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.492 0.673 0.000
y 0.673 6.508 0.000
z 0.000 0.000 5.753


<r2> (average value of r2) Å2
<r2> 102.407
(<r2>)1/2 10.120