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: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-232.986981
Energy at 298.15K 
HF Energy-233.338919
Nuclear repulsion energy187.602664
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 PBEPBE/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' 3066 3022 32.68      
2 A' 3064 3020 29.74      
3 A' 2987 2944 35.64      
4 A' 2981 2938 17.32      
5 A' 2904 2863 83.62      
6 A' 2869 2828 45.62      
7 A' 1512 1490 1.06      
8 A' 1491 1470 8.37      
9 A' 1484 1463 5.94      
10 A' 1473 1452 2.67      
11 A' 1453 1432 1.20      
12 A' 1395 1375 21.03      
13 A' 1390 1370 4.70      
14 A' 1301 1282 4.44      
15 A' 1200 1183 30.82      
16 A' 1144 1128 141.37      
17 A' 1107 1092 11.29      
18 A' 1046 1031 2.18      
19 A' 970 957 22.27      
20 A' 894 881 7.36      
21 A' 431 425 0.56      
22 A' 399 393 2.68      
23 A' 189 186 1.30      
24 A" 3054 3010 54.32      
25 A" 3024 2981 6.57      
26 A" 2944 2902 68.87      
27 A" 2894 2852 76.58      
28 A" 1485 1463 7.56      
29 A" 1463 1442 5.65      
30 A" 1285 1267 0.06      
31 A" 1239 1221 1.63      
32 A" 1175 1158 3.90      
33 A" 1144 1127 0.04      
34 A" 884 871 2.07      
35 A" 753 742 2.39      
36 A" 246 243 2.99      
37 A" 242 239 0.12      
38 A" 114 113 2.65      
39 A" 105 104 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 29398.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 28978.1 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 PBEPBE/6-31G*
ABC
0.65733 0.07014 0.06659

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.324 0.666 0.000
O2 -1.279 -0.287 0.000
C3 0.000 0.332 0.000
C4 1.072 -0.753 0.000
C5 2.491 -0.174 0.000
H6 -3.274 0.109 0.000
H7 -2.292 1.321 0.899
H8 -2.292 1.321 -0.899
H9 0.115 0.989 0.894
H10 0.115 0.989 -0.894
H11 0.919 -1.396 -0.886
H12 0.919 -1.396 0.886
H13 2.670 0.454 0.891
H14 2.670 0.454 -0.891
H15 3.248 -0.976 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.41422.34793.68104.88781.10181.11241.11242.61722.61723.94383.94385.07765.07765.8091
O21.41421.42082.39723.77182.03392.10162.10162.09002.09002.61652.61654.11584.11584.5794
C32.34791.42081.52552.54193.28182.65292.65291.11551.11552.14822.14822.81772.81773.5015
C43.68102.39721.52551.53254.43104.05284.05282.17972.17971.10531.10532.19212.19212.1873
C54.88783.77182.54191.53255.77225.09095.09092.79282.79282.17962.17961.10471.10471.1028
H61.10182.03393.28184.43105.77221.80071.80073.61353.61354.54204.54206.02086.02086.6119
H71.11242.10162.65294.05285.09091.80071.79832.42903.01944.56874.20565.03725.34586.0640
H81.11242.10162.65294.05285.09091.80071.79833.01942.42904.20564.56875.34585.03726.0640
H92.61722.09001.11552.17972.79283.61352.42903.01941.78883.08272.51672.61123.16323.8051
H102.61722.09001.11552.17972.79283.61353.01942.42901.78882.51673.08273.16322.61123.8051
H113.94382.61652.14821.10532.17964.54204.56874.20563.08272.51671.77183.10612.54772.5274
H123.94382.61652.14821.10532.17964.54204.20564.56872.51673.08271.77182.54773.10612.5274
H135.07764.11582.81772.19211.10476.02085.03725.34582.61123.16323.10612.54771.78211.7811
H145.07764.11582.81772.19211.10476.02085.34585.03723.16322.61122.54773.10611.78211.7811
H155.80914.57943.50152.18731.10286.61196.06406.06403.80513.80512.52742.52741.78111.7811

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 111.827 O2 C1 H6 107.222
O2 C1 H7 112.017 O2 C1 H8 112.017
O2 C3 C4 108.850 O2 C3 H9 110.407
O2 C3 H10 110.407 C3 C4 C5 112.448
C3 C4 H11 108.427 C3 C4 H12 108.427
C4 C3 H9 110.283 C4 C3 H10 110.283
C4 C5 H13 111.412 C4 C5 H14 111.412
C4 C5 H15 111.145 C5 C4 H11 110.391
C5 C4 H12 110.391 H6 C1 H7 108.824
H6 C1 H8 108.824 H7 C1 H8 107.859
H9 C3 H10 106.602 H11 C4 H12 106.553
H13 C5 H14 107.532 H13 C5 H15 107.570
H14 C5 H15 107.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 O -0.413      
3 C -0.046      
4 C -0.299      
5 C -0.493      
6 H 0.168      
7 H 0.138      
8 H 0.138      
9 H 0.124      
10 H 0.124      
11 H 0.162      
12 H 0.162      
13 H 0.158      
14 H 0.158      
15 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.248 0.970 0.000 1.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.869 -2.046 0.000
y -2.046 -33.192 0.000
z 0.000 0.000 -32.963
Traceless
 xyz
x 2.208 -2.046 0.000
y -2.046 -1.276 0.000
z 0.000 0.000 -0.932
Polar
3z2-r2-1.865
x2-y22.323
xy-2.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.872 -0.457 0.000
y -0.457 6.752 0.000
z 0.000 0.000 6.538


<r2> (average value of r2) Å2
<r2> 182.233
(<r2>)1/2 13.499