return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H10O (Methyl propyl ether)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-233.019081
Energy at 298.15K 
HF Energy-233.583750
Nuclear repulsion energy188.968493
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 wB97X-D/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' 3165 3002 35.46      
2 A' 3156 2994 33.27      
3 A' 3086 2927 25.98      
4 A' 3069 2911 27.54      
5 A' 3002 2848 75.34      
6 A' 2972 2819 42.97      
7 A' 1560 1480 1.60      
8 A' 1537 1458 10.17      
9 A' 1533 1454 4.37      
10 A' 1522 1443 1.04      
11 A' 1517 1439 2.64      
12 A' 1458 1383 25.90      
13 A' 1452 1377 4.18      
14 A' 1355 1286 3.73      
15 A' 1265 1200 76.01      
16 A' 1216 1153 115.58      
17 A' 1152 1093 6.05      
18 A' 1080 1025 4.45      
19 A' 1021 968 23.76      
20 A' 930 882 6.22      
21 A' 452 429 0.58      
22 A' 420 398 3.17      
23 A' 200 189 1.51      
24 A" 3147 2985 64.86      
25 A" 3124 2963 0.78      
26 A" 3051 2893 68.39      
27 A" 3003 2848 74.76      
28 A" 1539 1459 7.90      
29 A" 1525 1447 6.61      
30 A" 1334 1266 0.27      
31 A" 1291 1225 2.27      
32 A" 1218 1155 5.36      
33 A" 1189 1128 0.01      
34 A" 912 865 2.24      
35 A" 765 726 1.47      
36 A" 248 236 4.35      
37 A" 219 207 0.02      
38 A" 96 91 0.04      
39 A" 71 67 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 30425.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 28858.7 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 wB97X-D/6-31G*
ABC
0.66910 0.07101 0.06745

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.310 0.664 0.000
O2 -1.269 -0.274 0.000
C3 0.000 0.330 0.000
C4 1.063 -0.755 0.000
C5 2.477 -0.177 0.000
H6 -3.251 0.109 0.000
H7 -2.277 1.310 0.892
H8 -2.277 1.310 -0.892
H9 0.116 0.978 0.887
H10 0.116 0.978 -0.887
H11 0.910 -1.390 -0.880
H12 0.910 -1.390 0.880
H13 2.652 0.445 0.885
H14 2.652 0.445 -0.885
H15 3.226 -0.974 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.40082.33373.65894.85961.09241.10221.10222.60242.60243.91963.91965.04445.04445.7733
O21.40081.40602.38123.74722.01832.07882.07882.06792.06792.60222.60224.08354.08354.5499
C32.33371.40601.51912.52803.25852.63452.63451.10491.10492.13622.13622.79782.79783.4800
C43.65892.38121.51911.52734.39944.02684.02682.16512.16511.09581.09582.17912.17912.1747
C54.85963.74722.52801.52735.73465.06005.06002.77362.77362.16752.16751.09611.09611.0940
H61.09242.01833.25854.39945.73461.78521.78523.58913.58914.51004.51005.97805.97806.5673
H71.10222.07882.63454.02685.06001.78521.78442.41623.00094.53794.17755.00395.31026.0249
H81.10222.07882.63454.02685.06001.78521.78443.00092.41624.17754.53795.31025.00396.0249
H92.60242.06791.10492.16512.77363.58912.41623.00091.77493.06002.49792.59073.13913.7776
H102.60242.06791.10492.16512.77363.58913.00092.41621.77492.49793.06003.13912.59073.7776
H113.91962.60222.13621.09582.16754.51004.53794.17753.06002.49791.75993.08462.52962.5122
H123.91962.60222.13621.09582.16754.51004.17754.53792.49793.06001.75992.52963.08462.5122
H135.04444.08352.79782.17911.09615.97805.00395.31022.59073.13913.08462.52961.77051.7683
H145.04444.08352.79782.17911.09615.97805.31025.00393.13912.59072.52963.08461.77051.7683
H155.77334.54993.48002.17471.09406.56736.02496.02493.77763.77762.51222.51221.76831.7683

picture of Methyl propyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.497 O2 C1 H6 107.453
O2 C1 H7 111.751 O2 C1 H8 111.751
O2 C3 C4 108.930 O2 C3 H9 110.315
O2 C3 H10 110.315 C3 C4 C5 112.161
C3 C4 H11 108.474 C3 C4 H12 108.474
C4 C3 H9 110.200 C4 C3 H10 110.200
C4 C5 H13 111.261 C4 C5 H14 111.261
C4 C5 H15 111.040 C5 C4 H11 110.358
C5 C4 H12 110.358 H6 C1 H7 108.865
H6 C1 H8 108.865 H7 C1 H8 108.089
H9 C3 H10 106.869 H11 C4 H12 106.842
H13 C5 H14 107.732 H13 C5 H15 107.687
H14 C5 H15 107.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 O -0.473      
3 C -0.026      
4 C -0.315      
5 C -0.507      
6 H 0.178      
7 H 0.142      
8 H 0.142      
9 H 0.129      
10 H 0.129      
11 H 0.170      
12 H 0.170      
13 H 0.162      
14 H 0.162      
15 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.232 1.097 0.000 1.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.636 -2.239 0.000
y -2.239 -32.981 0.000
z 0.000 0.000 -32.713
Traceless
 xyz
x 2.211 -2.239 0.000
y -2.239 -1.307 0.000
z 0.000 0.000 -0.904
Polar
3z2-r2-1.809
x2-y22.345
xy-2.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.266 -0.362 0.000
y -0.362 6.526 0.000
z 0.000 0.000 6.415


<r2> (average value of r2) Å2
<r2> 179.987
(<r2>)1/2 13.416