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

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-194.426851
Energy at 298.15K-194.435742
HF Energy-194.426851
Nuclear repulsion energy133.463338
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 TPSSh/cc-pVTZ
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' 3106 3007 33.43      
2 A' 3101 3003 28.98      
3 A' 3033 2936 19.62      
4 A' 2962 2868 89.60      
5 A' 2944 2850 39.95      
6 A' 1535 1487 1.12      
7 A' 1515 1467 2.33      
8 A' 1508 1460 6.49      
9 A' 1477 1430 0.35      
10 A' 1423 1378 26.15      
11 A' 1398 1354 6.02      
12 A' 1231 1192 29.28      
13 A' 1140 1104 163.16      
14 A' 1112 1077 4.11      
15 A' 1023 991 16.61      
16 A' 859 831 12.26      
17 A' 452 437 0.55      
18 A' 275 267 2.37      
19 A" 3106 3008 32.90      
20 A" 3001 2906 65.16      
21 A" 2968 2874 74.59      
22 A" 1495 1447 8.79      
23 A" 1493 1446 1.46      
24 A" 1295 1254 1.63      
25 A" 1195 1157 10.07      
26 A" 1163 1126 0.00      
27 A" 814 788 0.28      
28 A" 252 244 1.76      
29 A" 202 196 0.82      
30 A" 112 109 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 23594.7 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 22846.8 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 TPSSh/cc-pVTZ
ABC
0.93977 0.13843 0.12949

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.320 1.240 0.000
O2 0.008 0.716 0.000
C3 0.000 -0.704 0.000
C4 -1.440 -1.178 0.000
H5 1.234 2.327 0.000
H6 1.879 0.923 0.892
H7 1.879 0.923 -0.892
H8 0.534 -1.079 -0.887
H9 0.534 -1.079 0.887
H10 -1.479 -2.269 0.000
H11 -1.962 -0.811 0.885
H12 -1.962 -0.811 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41302.35023.66911.08971.09911.09912.60422.60424.48933.97023.9702
O21.41301.41982.38332.02442.08282.08282.06942.06943.33502.64472.6447
C32.35021.41981.51563.27242.64062.64061.10071.10072.15362.15522.1552
C43.66912.38331.51564.40784.02754.02752.16592.16591.09241.09131.0913
H51.08972.02443.27244.40781.78361.78363.58793.58795.33714.56534.5653
H61.09912.08282.64064.02751.78361.78322.99632.41164.71844.21414.5734
H71.09912.08282.64064.02751.78361.78322.41162.99634.71844.57344.2141
H82.60422.06941.10072.16593.58792.99632.41161.77322.50133.07262.5104
H92.60422.06941.10072.16593.58792.41162.99631.77322.50132.51043.0726
H104.48933.33502.15361.09245.33714.71844.71842.50132.50131.77311.7731
H113.97022.64472.15521.09134.56534.21414.57343.07262.51041.77311.7703
H123.97022.64472.15521.09134.56534.57344.21412.51043.07261.77311.7703

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 112.119 O2 C1 H5 107.268
O2 C1 H6 111.402 O2 C1 H7 111.402
O2 C3 C4 108.525 O2 C3 H8 109.730
O2 C3 H9 109.730 C3 C4 H10 110.282
C3 C4 H11 110.468 C3 C4 H12 110.468
C4 C3 H8 110.764 C4 C3 H9 110.764
H5 C1 H6 109.146 H5 C1 H7 109.146
H6 C1 H7 108.432 H8 C3 H9 107.321
H10 C4 H11 108.579 H10 C4 H12 108.579
H11 C4 H12 108.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 O -0.286      
3 C 0.087      
4 C -0.213      
5 H 0.087      
6 H 0.042      
7 H 0.042      
8 H 0.031      
9 H 0.031      
10 H 0.065      
11 H 0.078      
12 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.885 -0.679 0.000 1.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.932 0.895 0.000
y 0.895 6.849 0.000
z 0.000 0.000 5.823


<r2> (average value of r2) Å2
<r2> 103.429
(<r2>)1/2 10.170