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

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-194.364153
Energy at 298.15K-194.373087
HF Energy-194.364153
Nuclear repulsion energy133.087941
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 B3LYPultrafine/6-31+G**
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' 3128 3011 29.65      
2 A' 3117 3001 28.62      
3 A' 3046 2932 20.37      
4 A' 2978 2867 98.80      
5 A' 2960 2849 44.75      
6 A' 1532 1474 1.71      
7 A' 1508 1452 1.78      
8 A' 1503 1447 10.16      
9 A' 1479 1424 0.06      
10 A' 1430 1377 33.85      
11 A' 1399 1347 4.37      
12 A' 1233 1187 40.49      
13 A' 1155 1112 153.99      
14 A' 1115 1073 5.17      
15 A' 1028 990 18.26      
16 A' 864 832 14.15      
17 A' 464 447 0.53      
18 A' 288 277 3.00      
19 A" 3125 3009 30.26      
20 A" 3023 2910 64.17      
21 A" 2988 2877 73.90      
22 A" 1491 1435 9.43      
23 A" 1488 1433 4.69      
24 A" 1297 1249 2.09      
25 A" 1195 1151 10.53      
26 A" 1165 1122 0.05      
27 A" 824 793 0.23      
28 A" 261 252 2.33      
29 A" 211 203 1.65      
30 A" 115 111 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 23705.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 22821.2 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 B3LYPultrafine/6-31+G**
ABC
0.94181 0.13712 0.12843

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.319 1.255 0.000
O2 0.013 0.712 0.000
C3 0.000 -0.709 0.000
C4 -1.443 -1.185 0.000
H5 1.218 2.343 0.000
H6 1.885 0.947 0.894
H7 1.885 0.947 -0.894
H8 0.534 -1.087 -0.889
H9 0.534 -1.087 0.889
H10 -1.481 -2.280 0.000
H11 -1.969 -0.820 0.887
H12 -1.969 -0.820 -0.887

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41422.36563.68561.09251.10161.10162.62512.62514.50943.98803.9880
O21.41421.42072.39172.02742.08712.08712.07282.07283.34422.65772.6577
C32.36561.42071.51963.28552.66332.66331.10351.10352.15902.16272.1627
C43.68562.39171.51964.41894.05204.05202.16942.16941.09541.09431.0943
H51.09252.02743.28554.41891.78631.78633.60843.60845.35274.57664.5766
H61.10162.08712.66334.05201.78631.78823.02362.44204.74754.23954.5985
H71.10162.08712.66334.05201.78631.78822.44203.02364.74754.59854.2395
H82.62512.07281.10352.16943.60843.02362.44201.77762.50413.08052.5171
H92.62512.07281.10352.16943.60842.44203.02361.77762.50412.51713.0805
H104.50943.34422.15901.09545.35274.74754.74752.50412.50411.77721.7772
H113.98802.65772.16271.09434.57664.23954.59853.08052.51711.77721.7741
H123.98802.65772.16271.09434.57664.59854.23952.51713.08051.77721.7741

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 113.118 O2 C1 H5 107.262
O2 C1 H6 111.508 O2 C1 H7 111.508
O2 C3 C4 108.814 O2 C3 H8 109.765
O2 C3 H9 109.765 C3 C4 H10 110.246
C3 C4 H11 110.604 C3 C4 H12 110.604
C4 C3 H8 110.591 C4 C3 H9 110.591
H5 C1 H6 108.998 H5 C1 H7 108.998
H6 C1 H7 108.510 H8 C3 H9 107.302
H10 C4 H11 108.504 H10 C4 H12 108.504
H11 C4 H12 108.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 O -0.348      
3 C -0.014      
4 C -0.555      
5 H 0.145      
6 H 0.124      
7 H 0.124      
8 H 0.118      
9 H 0.118      
10 H 0.142      
11 H 0.161      
12 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.062 -0.810 0.000 1.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.970 2.012 0.000
y 2.012 -26.065 0.000
z 0.000 0.000 -27.014
Traceless
 xyz
x 0.570 2.012 0.000
y 2.012 0.427 0.000
z 0.000 0.000 -0.997
Polar
3z2-r2-1.993
x2-y20.095
xy2.012
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.646 0.711 0.000
y 0.711 6.604 0.000
z 0.000 0.000 5.686


<r2> (average value of r2) Å2
<r2> 104.383
(<r2>)1/2 10.217