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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-194.162527
Energy at 298.15K-194.171371
HF Energy-194.162527
Nuclear repulsion energy132.962963
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3047 3013 20.56      
2 A' 3043 3009 23.91      
3 A' 2974 2941 17.09      
4 A' 2892 2859 90.61      
5 A' 2872 2840 45.47      
6 A' 1469 1453 2.98      
7 A' 1450 1434 1.70      
8 A' 1443 1427 8.18      
9 A' 1416 1400 0.36      
10 A' 1366 1350 26.58      
11 A' 1341 1326 1.32      
12 A' 1185 1172 26.95      
13 A' 1113 1101 153.16      
14 A' 1077 1065 3.32      
15 A' 1005 994 18.61      
16 A' 837 828 11.05      
17 A' 452 447 0.51      
18 A' 279 276 2.62      
19 A" 3048 3014 23.68      
20 A" 2931 2898 53.96      
21 A" 2893 2861 71.88      
22 A" 1430 1414 13.40      
23 A" 1428 1412 0.31      
24 A" 1249 1235 1.53      
25 A" 1149 1136 8.37      
26 A" 1121 1108 0.06      
27 A" 794 785 0.59      
28 A" 250 247 1.60      
29 A" 204 202 0.84      
30 A" 115 114 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 22936.7 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 22679.8 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.93352 0.13746 0.12863

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.317 1.250 0.000
O2 0.003 0.721 0.000
C3 0.000 -0.703 0.000
C4 -1.435 -1.192 0.000
H5 1.230 2.344 0.000
H6 1.883 0.933 0.897
H7 1.883 0.933 -0.897
H8 0.542 -1.078 -0.892
H9 0.542 -1.078 0.892
H10 -1.461 -2.291 0.000
H11 -1.968 -0.832 0.890
H12 -1.968 -0.832 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41642.35543.67931.09711.10701.10702.61082.61084.50063.98993.9899
O21.41641.42392.39342.03442.09402.09402.07942.07943.34892.66282.6628
C32.35541.42391.51623.28552.65112.65111.10921.10922.15792.16392.1639
C43.67932.39341.51624.42784.04154.04152.17222.17221.09881.09831.0983
H51.09712.03443.28554.42781.79441.79443.60253.60255.35934.59434.5943
H61.10702.09402.65114.04151.79441.79413.00742.41764.73134.23664.5982
H71.10702.09402.65114.04151.79441.79412.41763.00744.73134.59824.2366
H82.61082.07941.10922.17223.60253.00742.41761.78362.50603.08842.5222
H92.61082.07941.10922.17223.60252.41763.00741.78362.50602.52223.0884
H104.50063.34892.15791.09885.35934.73134.73132.50602.50601.78221.7822
H113.98992.66282.16391.09834.59434.23664.59823.08842.52221.78221.7808
H123.98992.66282.16391.09834.59434.59824.23662.52223.08841.78221.7808

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 112.047 O2 C1 H5 107.393
O2 C1 H6 111.574 O2 C1 H7 111.574
O2 C3 C4 108.947 O2 C3 H8 109.719
O2 C3 H9 109.719 C3 C4 H10 110.199
C3 C4 H11 110.700 C3 C4 H12 110.700
C4 C3 H8 110.705 C4 C3 H9 110.705
H5 C1 H6 108.995 H5 C1 H7 108.995
H6 C1 H7 108.255 H8 C3 H9 107.027
H10 C4 H11 108.414 H10 C4 H12 108.414
H11 C4 H12 108.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 O -0.409      
3 C 0.007      
4 C -0.654      
5 H 0.240      
6 H 0.234      
7 H 0.234      
8 H 0.179      
9 H 0.179      
10 H 0.212      
11 H 0.190      
12 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.827 -0.707 0.000 1.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.352 1.768 0.000
y 1.768 -26.175 0.000
z 0.000 0.000 -27.036
Traceless
 xyz
x 0.254 1.768 0.000
y 1.768 0.519 0.000
z 0.000 0.000 -0.772
Polar
3z2-r2-1.545
x2-y2-0.177
xy1.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.860 0.917 0.000
y 0.917 7.672 0.000
z 0.000 0.000 6.552


<r2> (average value of r2) Å2
<r2> 104.407
(<r2>)1/2 10.218