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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-233.606042
Energy at 298.15K 
HF Energy-232.300122
Nuclear repulsion energy186.678493
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 B3PW91/3-21G*
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' 3137 3010 27.36      
2 A' 3130 3003 27.43      
3 A' 3078 2953 17.06      
4 A' 3051 2927 22.03      
5 A' 2992 2871 63.40      
6 A' 2974 2854 29.74      
7 A' 1586 1522 1.51      
8 A' 1569 1506 16.23      
9 A' 1562 1499 3.33      
10 A' 1548 1486 4.33      
11 A' 1507 1446 0.69      
12 A' 1459 1400 15.47      
13 A' 1423 1365 15.61      
14 A' 1359 1304 0.50      
15 A' 1211 1162 17.18      
16 A' 1145 1098 9.85      
17 A' 1115 1069 110.76      
18 A' 1048 1006 0.30      
19 A' 942 904 5.89      
20 A' 913 876 18.31      
21 A' 427 410 1.31      
22 A' 405 389 3.25      
23 A' 185 177 2.52      
24 A" 3136 3008 49.35      
25 A" 3106 2980 1.34      
26 A" 3034 2910 66.95      
27 A" 3006 2884 58.62      
28 A" 1563 1499 11.02      
29 A" 1546 1484 8.68      
30 A" 1351 1296 0.05      
31 A" 1288 1236 0.82      
32 A" 1202 1153 1.86      
33 A" 1160 1113 0.04      
34 A" 939 900 2.51      
35 A" 795 762 4.61      
36 A" 246 236 1.75      
37 A" 241 231 2.28      
38 A" 121 116 4.08      
39 A" 102 98 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 30300.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29070.1 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 B3PW91/3-21G*
ABC
0.65182 0.06948 0.06591

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.391 0.516 0.000
O2 -1.254 -0.380 0.000
C3 0.000 0.352 0.000
C4 1.121 -0.684 0.000
C5 2.505 -0.015 0.000
H6 -3.282 -0.118 0.000
H7 -2.409 1.162 0.892
H8 -2.409 1.162 -0.892
H9 0.078 0.999 0.891
H10 0.078 0.999 -0.891
H11 0.999 -1.320 -0.885
H12 0.999 -1.320 0.885
H13 2.633 0.616 0.889
H14 2.633 0.616 -0.889
H15 3.302 -0.767 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.44812.39703.71174.92491.09311.10191.10192.66932.66933.95563.95565.10345.10345.8359
O21.44811.45192.39423.77622.04542.12372.12372.11402.11402.59612.59614.10954.10954.5718
C32.39701.45191.52652.53163.31562.69372.69371.10391.10392.13922.13922.79142.79143.4864
C43.71172.39421.52651.53674.43954.08254.08252.17122.17121.09631.09632.18262.18262.1821
C54.92493.77622.53161.53675.78795.13135.13132.77722.77722.17992.17991.09731.09731.0958
H61.09312.04543.31564.43955.78791.78801.78803.65123.65124.53384.53386.02646.02646.6158
H71.10192.12372.69374.08255.13131.78801.78432.49243.06474.57534.21625.07185.37546.0937
H81.10192.12372.69374.08255.13131.78801.78433.06472.49244.21624.57535.37545.07186.0937
H92.66932.11401.10392.17122.77723.65122.49243.06471.78233.06252.49512.58383.13753.7825
H102.66932.11401.10392.17122.77723.65123.06472.49241.78232.49513.06253.13752.58383.7825
H113.95562.59612.13921.09632.17994.53384.57534.21623.06252.49511.76903.09202.53292.5279
H123.95562.59612.13921.09632.17994.53384.21624.57532.49513.06251.76902.53293.09202.5279
H135.10344.10952.79142.18261.09736.02645.07185.37542.58383.13753.09202.53291.77751.7746
H145.10344.10952.79142.18261.09736.02645.37545.07183.13752.58382.53293.09201.77751.7746
H155.83594.57183.48642.18211.09586.61586.09376.09373.78253.78252.52792.52791.77461.7746

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 111.492 O2 C1 H6 106.357
O2 C1 H7 112.064 O2 C1 H8 112.064
O2 C3 C4 106.971 O2 C3 H9 110.882
O2 C3 H10 110.882 C3 C4 C5 111.475
C3 C4 H11 108.174 C3 C4 H12 108.174
C4 C3 H9 110.232 C4 C3 H10 110.232
C4 C5 H13 110.810 C4 C5 H14 110.810
C4 C5 H15 110.871 C5 C4 H11 110.657
C5 C4 H12 110.657 H6 C1 H7 109.084
H6 C1 H8 109.084 H7 C1 H8 108.117
H9 C3 H10 107.665 H11 C4 H12 107.568
H13 C5 H14 108.174 H13 C5 H15 108.031
H14 C5 H15 108.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 O -0.490      
3 C -0.132      
4 C -0.458      
5 C -0.627      
6 H 0.225      
7 H 0.190      
8 H 0.190      
9 H 0.189      
10 H 0.189      
11 H 0.229      
12 H 0.229      
13 H 0.208      
14 H 0.208      
15 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.125 1.356 0.000 1.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.902 -2.338 0.000
y -2.338 -33.262 0.000
z 0.000 0.000 -32.888
Traceless
 xyz
x 3.173 -2.338 0.000
y -2.338 -1.867 0.000
z 0.000 0.000 -1.306
Polar
3z2-r2-2.612
x2-y23.360
xy-2.338
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.234 -0.288 0.000
y -0.288 6.101 0.000
z 0.000 0.000 5.964


<r2> (average value of r2) Å2
<r2> 183.396
(<r2>)1/2 13.542