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

using model chemistry: B3PW91/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 B3PW91/TZVP
 hartrees
Energy at 0K-194.342320
Energy at 298.15K-194.351276
HF Energy-194.342320
Nuclear repulsion energy133.768932
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 B3PW91/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' 3127 3015 28.34      
2 A' 3125 3013 24.11      
3 A' 3050 2941 16.93      
4 A' 2976 2869 89.61      
5 A' 2958 2852 39.93      
6 A' 1529 1474 2.44      
7 A' 1501 1448 2.93      
8 A' 1496 1442 8.15      
9 A' 1475 1422 0.42      
10 A' 1428 1377 33.99      
11 A' 1395 1345 1.50      
12 A' 1236 1192 40.78      
13 A' 1167 1126 147.42      
14 A' 1118 1078 4.92      
15 A' 1041 1004 19.21      
16 A' 872 841 12.23      
17 A' 466 449 0.55      
18 A' 286 276 2.80      
19 A" 3130 3019 26.65      
20 A" 3020 2913 61.41      
21 A" 2986 2879 70.73      
22 A" 1479 1426 14.14      
23 A" 1478 1425 0.00      
24 A" 1299 1252 1.73      
25 A" 1195 1152 9.01      
26 A" 1163 1122 0.20      
27 A" 825 796 0.42      
28 A" 264 254 2.03      
29 A" 210 203 1.48      
30 A" 115 111 3.11      

Unscaled Zero Point Vibrational Energy (zpe) 23702.5 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 22856.4 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 B3PW91/TZVP
ABC
0.94874 0.13883 0.13000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.310 1.244 0.000
O2 0.009 0.712 0.000
C3 0.000 -0.700 0.000
C4 -1.432 -1.182 0.000
H5 1.221 2.330 0.000
H6 1.876 0.936 0.891
H7 1.876 0.936 -0.891
H8 0.534 -1.080 -0.886
H9 0.534 -1.080 0.886
H10 -1.465 -2.274 0.000
H11 -1.960 -0.821 0.885
H12 -1.960 -0.821 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40512.34383.66081.09031.09971.09972.60472.60474.48043.96693.9669
O21.40511.41212.38012.02142.08052.08052.06652.06653.33032.64782.6478
C32.34381.41211.51083.26682.64352.64351.10171.10172.15032.15352.1535
C43.66082.38011.51084.40144.02734.02732.15852.15851.09261.09161.0916
H51.09032.02143.26684.40141.78011.78013.58943.58945.33044.56394.5639
H61.09972.08052.64354.02731.78011.78233.00322.42124.71774.21874.5773
H71.09972.08052.64354.02731.78011.78232.42123.00324.71774.57734.2187
H82.60472.06651.10172.15853.58943.00322.42121.77142.49123.06912.5069
H92.60472.06651.10172.15853.58942.42123.00321.77142.49122.50693.0691
H104.48043.33032.15031.09265.33044.71774.71772.49122.49121.77171.7717
H113.96692.64782.15351.09164.56394.21874.57733.06912.50691.77171.7697
H123.96692.64782.15351.09164.56394.57734.21872.50693.06911.77171.7697

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 112.601 O2 C1 H5 107.530
O2 C1 H6 111.742 O2 C1 H7 111.742
O2 C3 C4 108.985 O2 C3 H8 109.971
O2 C3 H9 109.971 C3 C4 H10 110.338
C3 C4 H11 110.654 C3 C4 H12 110.654
C4 C3 H8 110.444 C4 C3 H9 110.444
H5 C1 H6 108.746 H5 C1 H7 108.746
H6 C1 H7 108.256 H8 C3 H9 107.012
H10 C4 H11 108.408 H10 C4 H12 108.408
H11 C4 H12 108.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 O -0.264      
3 C -0.077      
4 C -0.329      
5 H 0.134      
6 H 0.098      
7 H 0.098      
8 H 0.091      
9 H 0.091      
10 H 0.110      
11 H 0.123      
12 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.022 -0.753 0.000 1.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.644 1.907 0.000
y 1.907 -25.668 0.000
z 0.000 0.000 -26.575
Traceless
 xyz
x 0.478 1.907 0.000
y 1.907 0.441 0.000
z 0.000 0.000 -0.919
Polar
3z2-r2-1.837
x2-y20.025
xy1.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.542 0.690 0.000
y 0.690 6.564 0.000
z 0.000 0.000 5.782


<r2> (average value of r2) Å2
<r2> 103.153
(<r2>)1/2 10.156