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: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-233.347947
Energy at 298.15K 
HF Energy-232.101903
Nuclear repulsion energy187.095525
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 PBE1PBE/3-21G
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' 3152 3027 25.21      
2 A' 3146 3022 24.50      
3 A' 3091 2969 16.03      
4 A' 3063 2941 20.33      
5 A' 3006 2887 58.08      
6 A' 2987 2868 29.35      
7 A' 1590 1527 1.82      
8 A' 1573 1510 16.55      
9 A' 1565 1503 3.84      
10 A' 1550 1489 4.39      
11 A' 1511 1451 0.48      
12 A' 1462 1404 17.08      
13 A' 1429 1372 14.27      
14 A' 1362 1308 0.26      
15 A' 1218 1170 20.78      
16 A' 1155 1109 30.05      
17 A' 1132 1087 86.48      
18 A' 1061 1019 0.35      
19 A' 957 920 7.54      
20 A' 920 884 17.38      
21 A' 431 414 1.41      
22 A' 408 392 3.27      
23 A' 185 178 2.57      
24 A" 3150 3025 44.17      
25 A" 3121 2997 1.48      
26 A" 3050 2930 62.07      
27 A" 3019 2900 56.33      
28 A" 1565 1503 11.67      
29 A" 1550 1488 9.34      
30 A" 1355 1301 0.04      
31 A" 1293 1241 0.95      
32 A" 1207 1159 1.96      
33 A" 1166 1120 0.04      
34 A" 941 903 2.60      
35 A" 797 765 4.69      
36 A" 248 239 2.25      
37 A" 243 233 1.85      
38 A" 122 117 4.29      
39 A" 103 99 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 30440.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 29234.7 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 PBE1PBE/3-21G
ABC
0.65259 0.06990 0.06630

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.383 0.517 0.000
O2 -1.250 -0.378 0.000
C3 0.000 0.350 0.000
C4 1.117 -0.685 0.000
C5 2.497 -0.016 0.000
H6 -3.276 -0.113 0.000
H7 -2.398 1.164 0.892
H8 -2.398 1.164 -0.892
H9 0.079 0.997 0.891
H10 0.079 0.997 -0.891
H11 0.994 -1.321 -0.884
H12 0.994 -1.321 0.884
H13 2.623 0.615 0.888
H14 2.623 0.615 -0.888
H15 3.296 -0.765 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.44382.38893.70124.90911.09281.10161.10162.66192.66193.94523.94525.08505.08505.8221
O21.44381.44712.38763.76492.04292.11882.11882.11012.11012.59002.59004.09614.09614.5630
C32.38891.44711.52332.52373.30862.68452.68451.10391.10392.13602.13602.78192.78193.4797
C43.70122.38761.52331.53354.43064.07074.07072.16832.16831.09611.09612.17882.17882.1803
C54.90913.76492.52371.53355.77395.11335.11332.76882.76882.17822.17821.09711.09711.0953
H61.09282.04293.30864.43065.77391.78761.78763.64443.64444.52504.52506.00966.00966.6045
H71.10162.11882.68454.07075.11331.78761.78342.48253.05624.56424.20455.05045.35506.0775
H81.10162.11882.68454.07075.11331.78761.78343.05622.48254.20454.56425.35505.05046.0775
H92.66192.11011.10392.16832.76883.64442.48253.05621.78193.05972.49192.57223.12773.7747
H102.66192.11011.10392.16832.76883.64443.05622.48251.78192.49193.05973.12772.57223.7747
H113.94522.59002.13601.09612.17824.52504.56424.20453.05972.49191.76893.08952.53022.5281
H123.94522.59002.13601.09612.17824.52504.20454.56422.49193.05971.76892.53023.08952.5281
H135.08504.09612.78192.17881.09716.00965.05045.35502.57223.12773.08952.53021.77691.7743
H145.08504.09612.78192.17881.09716.00965.35505.05043.12772.57222.53023.08951.77691.7743
H155.82214.56303.47972.18031.09536.60456.07756.07753.77473.77472.52812.52811.77431.7743

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 111.454 O2 C1 H6 106.479
O2 C1 H7 111.996 O2 C1 H8 111.996
O2 C3 C4 106.965 O2 C3 H9 110.905
O2 C3 H10 110.905 C3 C4 C5 111.302
C3 C4 H11 108.153 C3 C4 H12 108.153
C4 C3 H9 110.229 C4 C3 H10 110.229
C4 C5 H13 110.749 C4 C5 H14 110.749
C4 C5 H15 110.973 C5 C4 H11 110.756
C5 C4 H12 110.756 H6 C1 H7 109.107
H6 C1 H8 109.107 H7 C1 H8 108.093
H9 C3 H10 107.632 H11 C4 H12 107.586
H13 C5 H14 108.155 H13 C5 H15 108.051
H14 C5 H15 108.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.373      
2 O -0.498      
3 C -0.135      
4 C -0.472      
5 C -0.640      
6 H 0.229      
7 H 0.194      
8 H 0.194      
9 H 0.193      
10 H 0.193      
11 H 0.234      
12 H 0.234      
13 H 0.213      
14 H 0.213      
15 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.121 1.367 0.000 1.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.979 -2.356 0.000
y -2.356 -33.347 0.000
z 0.000 0.000 -32.965
Traceless
 xyz
x 3.177 -2.356 0.000
y -2.356 -1.875 0.000
z 0.000 0.000 -1.302
Polar
3z2-r2-2.605
x2-y23.368
xy-2.356
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.152 -0.280 0.000
y -0.280 6.070 0.000
z 0.000 0.000 5.936


<r2> (average value of r2) Å2
<r2> 182.539
(<r2>)1/2 13.511