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

using model chemistry: CCD/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/cc-pVDZ
 hartrees
Energy at 0K-193.788769
Energy at 298.15K-193.797777
HF Energy-193.117646
Nuclear repulsion energy133.275824
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/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' 3168 3031 26.29      
2 A' 3165 3028 31.22      
3 A' 3077 2944 16.74      
4 A' 3016 2885 76.32      
5 A' 2999 2869 33.75      
6 A' 1541 1474 0.88      
7 A' 1512 1446 7.00      
8 A' 1505 1439 2.26      
9 A' 1489 1424 0.11      
10 A' 1449 1386 47.37      
11 A' 1401 1341 5.36      
12 A' 1264 1209 75.77      
13 A' 1208 1156 99.33      
14 A' 1127 1078 2.82      
15 A' 1072 1026 17.16      
16 A' 893 855 9.85      
17 A' 476 455 0.70      
18 A' 293 280 2.42      
19 A" 3172 3034 26.13      
20 A" 3073 2940 65.05      
21 A" 3037 2906 71.66      
22 A" 1490 1426 5.14      
23 A" 1484 1419 3.92      
24 A" 1307 1250 2.26      
25 A" 1212 1160 11.83      
26 A" 1177 1126 0.01      
27 A" 827 791 0.02      
28 A" 272 260 2.39      
29 A" 215 206 1.49      
30 A" 112 107 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 24015.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 22975.2 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/cc-pVDZ
ABC
0.92817 0.13891 0.12986

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.324 1.224 0.000
O2 0.012 0.714 0.000
C3 0.000 -0.699 0.000
C4 -1.450 -1.163 0.000
H5 1.255 2.324 0.000
H6 1.892 0.902 0.899
H7 1.892 0.902 -0.899
H8 0.534 -1.090 -0.894
H9 0.534 -1.090 0.894
H10 -1.504 -2.266 0.000
H11 -1.972 -0.782 0.895
H12 -1.972 -0.782 -0.895

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40822.33483.65991.10191.11071.11072.60352.60354.49213.96103.9610
O21.40821.41292.37922.03362.09232.09232.08002.08003.34332.64082.6408
C32.33481.41291.52253.27262.63602.63601.11261.11262.17212.16692.1669
C43.65992.37921.52254.41284.02974.02972.17742.17741.10411.10351.1035
H51.10192.03363.27264.41281.79891.79893.60163.60165.35494.56694.5669
H61.11072.09232.63604.02971.79891.79763.00422.41034.73014.21464.5803
H71.11072.09232.63604.02971.79891.79762.41033.00424.73014.58034.2146
H82.60352.08001.11262.17743.60163.00422.41031.78882.51733.09422.5246
H92.60352.08001.11262.17743.60162.41033.00421.78882.51732.52463.0942
H104.49213.34332.17211.10415.35494.73014.73012.51732.51731.79461.7946
H113.96102.64082.16691.10354.56694.21464.58033.09422.52461.79461.7892
H123.96102.64082.16691.10354.56694.58034.21462.52463.09421.79461.7892

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 111.709 O2 C1 H5 107.600
O2 C1 H6 111.785 O2 C1 H7 111.785
O2 C3 C4 108.235 O2 C3 H8 110.327
O2 C3 H9 110.327 C3 C4 H10 110.568
C3 C4 H11 110.187 C3 C4 H12 110.187
C4 C3 H8 110.481 C4 C3 H9 110.481
H5 C1 H6 108.780 H5 C1 H7 108.780
H6 C1 H7 108.036 H8 C3 H9 107.000
H10 C4 H11 108.762 H10 C4 H12 108.762
H11 C4 H12 108.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability