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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-233.619526
Energy at 298.15K 
HF Energy-233.571310
Nuclear repulsion energy188.717421
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 B3PW91/6-31G*
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' 3145 3009 34.54      
2 A' 3137 3001 32.34      
3 A' 3064 2932 29.06      
4 A' 3054 2921 25.27      
5 A' 2991 2862 79.48      
6 A' 2961 2833 42.41      
7 A' 1556 1489 1.35      
8 A' 1534 1468 9.75      
9 A' 1529 1463 5.46      
10 A' 1518 1452 1.87      
11 A' 1501 1436 0.84      
12 A' 1444 1381 26.30      
13 A' 1437 1375 1.68      
14 A' 1346 1287 4.19      
15 A' 1246 1192 55.17      
16 A' 1195 1143 130.93      
17 A' 1141 1092 8.23      
18 A' 1074 1027 3.02      
19 A' 1006 962 24.02      
20 A' 919 880 6.76      
21 A' 440 421 0.63      
22 A' 408 391 2.84      
23 A' 193 185 1.45      
24 A" 3129 2993 61.14      
25 A" 3102 2968 4.18      
26 A" 3037 2905 68.83      
27 A" 2990 2860 71.76      
28 A" 1528 1461 7.71      
29 A" 1512 1446 5.92      
30 A" 1327 1269 0.11      
31 A" 1281 1226 2.00      
32 A" 1212 1159 4.76      
33 A" 1181 1130 0.08      
34 A" 909 870 2.08      
35 A" 771 737 2.10      
36 A" 245 235 1.56      
37 A" 240 230 2.15      
38 A" 115 110 2.47      
39 A" 105 101 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 30260.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 28950.6 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 B3PW91/6-31G*
ABC
0.66997 0.07075 0.06722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.316 0.658 0.000
O2 -1.270 -0.278 0.000
C3 0.000 0.333 0.000
C4 1.067 -0.749 0.000
C5 2.481 -0.175 0.000
H6 -3.255 0.097 0.000
H7 -2.289 1.305 0.893
H8 -2.289 1.305 -0.893
H9 0.113 0.983 0.887
H10 0.113 0.983 -0.887
H11 0.914 -1.386 -0.879
H12 0.914 -1.386 0.879
H13 2.661 0.447 0.885
H14 2.661 0.447 -0.885
H15 3.230 -0.974 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.40362.33893.66354.86911.09351.10301.10302.60712.60713.92233.92235.06015.06015.7813
O21.40361.40962.38363.75272.02042.08352.08352.07182.07182.60212.60214.09484.09484.5537
C32.33891.40961.51912.53253.26392.64212.64211.10581.10582.13662.13662.80702.80703.4844
C43.66352.38361.51911.52654.40394.03404.03402.16662.16661.09711.09712.18122.18122.1752
C54.86913.75272.53251.52655.74295.07345.07342.78092.78092.16762.16761.09691.09691.0951
H61.09352.02043.26394.40395.74291.78591.78593.59463.59464.51174.51175.99285.99286.5733
H71.10302.08352.64214.03405.07341.78591.78512.42393.00724.54324.18345.02405.32926.0373
H81.10302.08352.64214.03405.07341.78591.78513.00722.42394.18344.54325.32925.02406.0373
H92.60712.07181.10582.16662.78093.59462.42393.00721.77493.06202.50082.60363.14973.7854
H102.60712.07181.10582.16662.78093.59463.00722.42391.77492.50083.06203.14972.60363.7854
H113.92232.60212.13661.09712.16764.51174.54324.18343.06202.50081.75903.08732.53342.5118
H123.92232.60212.13661.09712.16764.51174.18344.54322.50083.06201.75902.53343.08732.5118
H135.06014.09482.80702.18121.09695.99285.02405.32922.60363.14973.08732.53341.77011.7683
H145.06014.09482.80702.18121.09695.99285.32925.02403.14972.60362.53343.08731.77011.7683
H155.78134.55373.48442.17521.09516.57336.03736.03733.78543.78542.51182.51181.76831.7683

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 112.488 O2 C1 H6 107.364
O2 C1 H7 111.892 O2 C1 H8 111.892
O2 C3 C4 108.897 O2 C3 H9 110.323
O2 C3 H10 110.323 C3 C4 C5 112.514
C3 C4 H11 108.427 C3 C4 H12 108.427
C4 C3 H9 110.270 C4 C3 H10 110.270
C4 C5 H13 111.445 C4 C5 H14 111.445
C4 C5 H15 111.066 C5 C4 H11 110.344
C5 C4 H12 110.344 H6 C1 H7 108.789
H6 C1 H8 108.789 H7 C1 H8 108.036
H9 C3 H10 106.748 H11 C4 H12 106.577
H13 C5 H14 107.585 H13 C5 H15 107.550
H14 C5 H15 107.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.251      
2 O -0.461      
3 C -0.043      
4 C -0.325      
5 C -0.520      
6 H 0.179      
7 H 0.147      
8 H 0.147      
9 H 0.135      
10 H 0.135      
11 H 0.174      
12 H 0.174      
13 H 0.167      
14 H 0.167      
15 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.238 1.068 0.000 1.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.645 -2.167 0.000
y -2.167 -32.962 0.000
z 0.000 0.000 -32.707
Traceless
 xyz
x 2.190 -2.167 0.000
y -2.167 -1.287 0.000
z 0.000 0.000 -0.903
Polar
3z2-r2-1.807
x2-y22.318
xy-2.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.440 -0.388 0.000
y -0.388 6.556 0.000
z 0.000 0.000 6.396


<r2> (average value of r2) Å2
<r2> 180.529
(<r2>)1/2 13.436