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

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-193.856636
Energy at 298.15K-193.865544
HF Energy-193.128247
Nuclear repulsion energy132.359778
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 MP4/6-31G*
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' 3157 3084        
2 A' 3151 3078        
3 A' 3069 2998        
4 A' 3005 2935        
5 A' 2983 2914        
6 A' 1579 1543        
7 A' 1551 1515        
8 A' 1545 1510        
9 A' 1512 1477        
10 A' 1467 1433        
11 A' 1427 1395        
12 A' 1256 1227        
13 A' 1178 1150        
14 A' 1139 1112        
15 A' 1055 1031        
16 A' 884 864        
17 A' 475 464        
18 A' 295 288        
19 A" 3162 3089        
20 A" 3061 2990        
21 A" 3019 2949        
22 A" 1531 1496        
23 A" 1531 1495        
24 A" 1317 1286        
25 A" 1226 1198        
26 A" 1185 1157        
27 A" 840 821        
28 A" 276 270        
29 A" 221 216        
30 A" 115 112        

Unscaled Zero Point Vibrational Energy (zpe) 24105.2 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 23548.3 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 MP4/aug-cc-pVDZ
ABC
0.91507 0.13689 0.12791

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.335 1.239 0.000
O2 -0.000 0.728 0.000
C3 0.000 -0.706 0.000
C4 -1.449 -1.184 0.000
H5 1.261 2.338 0.000
H6 1.889 0.906 0.903
H7 1.889 0.906 -0.903
H8 0.540 -1.078 -0.898
H9 0.540 -1.078 0.898
H10 -1.484 -2.289 0.000
H11 -1.975 -0.814 0.897
H12 -1.975 -0.814 -0.897

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.42912.35853.69051.10161.11051.11052.60902.60904.51553.99633.9963
O21.42911.43372.39912.04512.10152.10152.08842.08843.36212.66112.6611
C32.35851.43371.52603.29452.64242.64241.11241.11242.17002.17172.1717
C43.69052.39911.52604.44414.04094.04092.18522.18521.10511.10371.1037
H51.10162.04513.29454.44411.80541.80543.60513.60515.37994.60544.6054
H61.11052.10152.64244.04091.80541.80543.00022.39964.73324.22974.5966
H71.11052.10152.64244.04091.80541.80542.39963.00024.73324.59664.2297
H82.60902.08841.11242.18523.60513.00022.39961.79642.52403.10142.5291
H92.60902.08841.11242.18523.60512.39963.00021.79642.52402.52913.1014
H104.51553.36212.17001.10515.37994.73324.73322.52402.52401.79461.7946
H113.99632.66112.17171.10374.60544.22974.59663.10142.52911.79461.7939
H123.99632.66112.17171.10374.60544.59664.22972.52913.10141.79461.7939

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 110.937 O2 C1 H5 107.113
O2 C1 H6 111.066 O2 C1 H7 111.066
O2 C3 C4 108.270 O2 C3 H8 109.572
O2 C3 H9 109.572 C3 C4 H10 110.101
C3 C4 H11 110.318 C3 C4 H12 110.318
C4 C3 H8 110.865 C4 C3 H9 110.865
H5 C1 H6 109.402 H5 C1 H7 109.402
H6 C1 H7 108.760 H8 C3 H9 107.688
H10 C4 H11 108.675 H10 C4 H12 108.675
H11 C4 H12 108.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability