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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G**
 hartrees
Energy at 0K-194.212240
Energy at 298.15K-194.221225
HF Energy-193.974453
Nuclear repulsion energy133.673654
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 B2PLYP=FULL/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' 3146 3146 32.29      
2 A' 3139 3139 28.99      
3 A' 3064 3064 18.05      
4 A' 2996 2996 89.90      
5 A' 2980 2980 37.85      
6 A' 1550 1550 1.60      
7 A' 1524 1524 4.23      
8 A' 1518 1518 6.75      
9 A' 1494 1494 0.03      
10 A' 1446 1446 37.59      
11 A' 1412 1412 1.59      
12 A' 1249 1249 39.28      
13 A' 1169 1169 143.31      
14 A' 1129 1129 4.72      
15 A' 1043 1043 17.17      
16 A' 878 878 13.25      
17 A' 470 470 0.57      
18 A' 290 290 2.60      
19 A" 3146 3146 31.13      
20 A" 3041 3041 69.03      
21 A" 3010 3010 75.31      
22 A" 1498 1498 9.73      
23 A" 1497 1497 2.95      
24 A" 1313 1313 2.07      
25 A" 1213 1213 10.68      
26 A" 1178 1178 0.00      
27 A" 836 836 0.11      
28 A" 268 268 2.21      
29 A" 213 213 1.39      
30 A" 112 112 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 23909.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23909.1 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 B2PLYP=FULL/6-311G**
ABC
0.94145 0.13898 0.13000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.320 1.234 0.000
O2 0.011 0.711 0.000
C3 0.000 -0.704 0.000
C4 -1.442 -1.169 0.000
H5 1.235 2.320 0.000
H6 1.881 0.920 0.891
H7 1.881 0.920 -0.891
H8 0.529 -1.085 -0.886
H9 0.529 -1.085 0.886
H10 -1.493 -2.260 0.000
H11 -1.959 -0.795 0.885
H12 -1.959 -0.795 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40972.34503.66151.08921.09871.09872.60572.60574.48633.95663.9566
O21.40971.41502.37642.02172.08192.08192.06882.06883.33052.63312.6331
C32.34501.41501.51543.26662.64002.64001.10051.10052.15692.15182.1518
C43.66152.37641.51544.39814.02524.02522.16322.16321.09221.09101.0910
H51.08922.02173.26664.39811.78081.78083.58873.58875.33154.54874.5487
H61.09872.08192.64004.02521.78081.78203.00112.41814.72174.20594.5654
H71.09872.08192.64004.02521.78081.78202.41813.00114.72174.56544.2059
H82.60572.06881.10052.16323.58873.00112.41811.77282.50163.06832.5055
H92.60572.06881.10052.16323.58872.41813.00111.77282.50162.50553.0683
H104.48633.33052.15691.09225.33154.72174.72172.50162.50161.77401.7740
H113.95662.63312.15181.09104.54874.20594.56543.06832.50551.77401.7694
H123.95662.63312.15181.09104.54874.56544.20592.50553.06831.77401.7694

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 112.235 O2 C1 H5 107.314
O2 C1 H6 111.588 O2 C1 H7 111.588
O2 C3 C4 108.328 O2 C3 H8 110.028
O2 C3 H9 110.028 C3 C4 H10 110.567
C3 C4 H11 110.231 C3 C4 H12 110.231
C4 C3 H8 110.573 C4 C3 H9 110.573
H5 C1 H6 108.959 H5 C1 H7 108.959
H6 C1 H7 108.372 H8 C3 H9 107.315
H10 C4 H11 108.693 H10 C4 H12 108.693
H11 C4 H12 108.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability