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

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-193.421800
Energy at 298.15K-193.430700
HF Energy-193.015630
Nuclear repulsion energy130.841880
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 MP2=FULL/6-31G
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' 3191 3032 26.07      
2 A' 3158 3001 27.21      
3 A' 3073 2920 17.01      
4 A' 3028 2877 54.25      
5 A' 3011 2861 39.33      
6 A' 1599 1519 0.35      
7 A' 1576 1498 2.39      
8 A' 1573 1494 9.61      
9 A' 1518 1442 0.55      
10 A' 1487 1413 12.55      
11 A' 1448 1376 26.94      
12 A' 1230 1169 16.76      
13 A' 1143 1086 7.36      
14 A' 1095 1041 82.63      
15 A' 1018 968 21.76      
16 A' 823 782 13.07      
17 A' 458 435 1.10      
18 A' 280 266 4.37      
19 A" 3176 3017 28.72      
20 A" 3095 2941 63.25      
21 A" 3053 2900 65.87      
22 A" 1559 1482 5.05      
23 A" 1557 1480 5.32      
24 A" 1329 1263 0.00      
25 A" 1216 1156 9.77      
26 A" 1169 1111 0.29      
27 A" 861 818 0.45      
28 A" 261 248 2.56      
29 A" 201 191 2.39      
30 A" 107 102 5.08      

Unscaled Zero Point Vibrational Energy (zpe) 24147.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 22942.5 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 MP2=FULL/6-31G
ABC
0.90103 0.13280 0.12396

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.353 1.287 0.000
O2 0.000 0.722 0.000
C3 0.000 -0.749 0.000
C4 -1.460 -1.196 0.000
H5 1.221 2.372 0.000
H6 1.912 0.978 0.897
H7 1.912 0.978 -0.897
H8 0.535 -1.119 -0.893
H9 0.535 -1.119 0.893
H10 -1.528 -2.293 0.000
H11 -1.971 -0.810 0.890
H12 -1.971 -0.810 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.46622.44473.75261.09271.10161.10162.69382.69384.59544.02984.0298
O21.46621.47102.41072.05252.12782.12782.11462.11463.38002.65022.6502
C32.44471.47101.52763.35132.72862.72861.10421.10422.17242.16402.1640
C43.75262.41071.52764.46324.11204.11202.18712.18711.09901.09651.0965
H51.09272.05253.35134.46321.79601.79603.66803.66805.41464.59384.5938
H61.10162.12782.72864.11201.79601.79453.08232.50934.83144.27544.6339
H71.10162.12782.72864.11201.79601.79452.50933.08234.83144.63394.2754
H82.69382.11461.10422.18713.66803.08232.50931.78542.53573.09082.5250
H92.69382.11461.10422.18713.66802.50933.08231.78542.53572.52503.0908
H104.59543.38002.17241.09905.41464.83144.83142.53572.53571.78581.7858
H114.02982.65022.16401.09654.59384.27544.63393.09082.52501.78581.7800
H124.02982.65022.16401.09654.59384.63394.27542.52503.09081.78581.7800

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 112.672 O2 C1 H5 105.734
O2 C1 H6 111.126 O2 C1 H7 111.126
O2 C3 C4 107.003 O2 C3 H8 109.573
O2 C3 H9 109.573 C3 C4 H10 110.537
C3 C4 H11 110.020 C3 C4 H12 110.020
C4 C3 H8 111.394 C4 C3 H9 111.394
H5 C1 H6 109.868 H5 C1 H7 109.868
H6 C1 H7 109.077 H8 C3 H9 107.892
H10 C4 H11 108.854 H10 C4 H12 108.854
H11 C4 H12 108.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability