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

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-193.859216
Energy at 298.15K-193.868224
HF Energy-193.157050
Nuclear repulsion energy133.782581
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 CCD/6-311G**
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' 3158 3016 33.14      
2 A' 3153 3011 28.16      
3 A' 3071 2933 16.60      
4 A' 3017 2881 79.00      
5 A' 3003 2868 30.96      
6 A' 1567 1497 1.22      
7 A' 1538 1469 7.38      
8 A' 1529 1460 2.65      
9 A' 1512 1444 0.12      
10 A' 1470 1404 42.28      
11 A' 1425 1361 2.22      
12 A' 1277 1220 61.30      
13 A' 1212 1157 110.25      
14 A' 1141 1090 3.33      
15 A' 1071 1023 16.74      
16 A' 900 859 10.57      
17 A' 478 456 0.61      
18 A' 296 282 2.47      
19 A" 3158 3016 30.43      
20 A" 3067 2929 64.99      
21 A" 3037 2900 63.71      
22 A" 1511 1443 6.06      
23 A" 1506 1439 3.97      
24 A" 1327 1267 2.91      
25 A" 1230 1175 11.71      
26 A" 1194 1140 0.01      
27 A" 839 801 0.00      
28 A" 269 257 2.31      
29 A" 212 203 1.91      
30 A" 103 98 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 24132.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 23049.1 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 CCD/6-311G**
ABC
0.93887 0.13955 0.13050

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.323 1.221 0.000
O2 0.012 0.714 0.000
C3 0.000 -0.696 0.000
C4 -1.447 -1.163 0.000
H5 1.251 2.311 0.000
H6 1.880 0.899 0.893
H7 1.880 0.899 -0.893
H8 0.528 -1.080 -0.889
H9 0.528 -1.080 0.889
H10 -1.496 -2.257 0.000
H11 -1.963 -0.786 0.888
H12 -1.963 -0.786 -0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40602.32963.65441.09231.10101.10102.59162.59164.47683.95223.9522
O21.40601.40992.37652.02192.07932.07932.06702.06703.33112.63442.6344
C32.32961.40991.52013.25732.62282.62281.10281.10282.16152.15682.1568
C43.65442.37651.52014.39844.01484.01482.16722.16721.09531.09421.0942
H51.09232.02193.25734.39841.78531.78533.57933.57935.33024.55154.5515
H61.10102.07932.62284.01481.78531.78692.98702.39684.70694.19704.5594
H71.10102.07932.62284.01481.78531.78692.39682.98704.70694.55944.1970
H82.59162.06701.10282.16723.57932.98702.39681.77792.50413.07432.5087
H92.59162.06701.10282.16723.57932.39682.98701.77792.50412.50873.0743
H104.47683.33112.16151.09535.33024.70694.70692.50412.50411.78061.7806
H113.95222.63442.15681.09424.55154.19704.55943.07432.50871.78061.7760
H123.95222.63442.15681.09424.55154.55944.19702.50873.07431.78061.7760

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 111.645 O2 C1 H5 107.385
O2 C1 H6 111.488 O2 C1 H7 111.488
O2 C3 C4 108.352 O2 C3 H8 110.102
O2 C3 H9 110.102 C3 C4 H10 110.421
C3 C4 H11 110.115 C3 C4 H12 110.115
C4 C3 H8 110.426 C4 C3 H9 110.426
H5 C1 H6 108.970 H5 C1 H7 108.970
H6 C1 H7 108.481 H8 C3 H9 107.437
H10 C4 H11 108.823 H10 C4 H12 108.823
H11 C4 H12 108.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability