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

using model chemistry: CCD/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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-193.829622
Energy at 298.15K-193.838583
HF Energy-193.129424
Nuclear repulsion energy132.784121
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/aug-cc-pVDZ
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' 3148 3037 28.48      
2 A' 3136 3025 26.25      
3 A' 3054 2945 17.56      
4 A' 3004 2897 80.75      
5 A' 2992 2886 32.59      
6 A' 1524 1470 1.64      
7 A' 1499 1446 4.02      
8 A' 1495 1442 3.13      
9 A' 1473 1420 0.57      
10 A' 1432 1381 31.10      
11 A' 1391 1341 2.98      
12 A' 1244 1200 47.84      
13 A' 1177 1135 123.10      
14 A' 1116 1076 3.69      
15 A' 1054 1017 18.65      
16 A' 875 844 10.86      
17 A' 469 453 0.62      
18 A' 291 281 2.59      
19 A" 3143 3032 28.55      
20 A" 3061 2952 51.94      
21 A" 3029 2921 54.84      
22 A" 1485 1432 6.95      
23 A" 1479 1426 3.51      
24 A" 1299 1253 2.00      
25 A" 1197 1155 8.95      
26 A" 1166 1124 0.02      
27 A" 819 790 0.06      
28 A" 261 252 1.88      
29 A" 209 201 1.72      
30 A" 110 106 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 23815.3 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 22969.9 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/aug-cc-pVDZ
ABC
0.92688 0.13736 0.12850

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.327 1.240 0.000
O2 0.006 0.721 0.000
C3 0.000 -0.702 0.000
C4 -1.447 -1.182 0.000
H5 1.250 2.337 0.000
H6 1.886 0.915 0.900
H7 1.886 0.915 -0.900
H8 0.537 -1.079 -0.895
H9 0.537 -1.079 0.895
H10 -1.480 -2.285 0.000
H11 -1.974 -0.814 0.895
H12 -1.974 -0.814 -0.895

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41922.35243.68281.10011.10831.10832.60842.60844.50653.98943.9894
O21.41921.42362.39482.03952.09322.09322.07982.07983.35392.66042.6604
C32.35241.42361.52443.28682.64232.64231.11001.11002.16722.17022.1702
C43.68282.39481.52444.43434.03924.03922.17922.17921.10341.10221.1022
H51.10012.03953.28684.43431.79961.79963.60313.60315.36884.59624.5962
H61.10832.09322.64234.03921.79961.80013.00282.40714.73094.22924.5944
H71.10832.09322.64234.03921.79961.80012.40713.00284.73094.59444.2292
H82.60842.07981.11002.17923.60313.00282.40711.79012.51533.09552.5254
H92.60842.07981.11002.17923.60312.40713.00281.79012.51532.52543.0955
H104.50653.35392.16721.10345.36884.73094.73092.51532.51531.79181.7918
H113.98942.66042.17021.10224.59624.22924.59443.09552.52541.79181.7898
H123.98942.66042.17021.10224.59624.59444.22922.52543.09551.79181.7898

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 111.681 O2 C1 H5 107.423
O2 C1 H6 111.230 O2 C1 H7 111.230
O2 C3 C4 108.605 O2 C3 H8 109.725
O2 C3 H9 109.725 C3 C4 H10 110.091
C3 C4 H11 110.399 C3 C4 H12 110.399
C4 C3 H8 110.647 C4 C3 H9 110.647
H5 C1 H6 109.155 H5 C1 H7 109.155
H6 C1 H7 108.607 H8 C3 H9 107.484
H10 C4 H11 108.663 H10 C4 H12 108.663
H11 C4 H12 108.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability