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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at G4
 hartrees
Energy at 0K-233.476146
Energy at 298.15K-233.468286
HF Energy-233.678756
Nuclear repulsion energy188.458051
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 B3LYP/6-31G(2df,p)
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' 3109 3001 32.91      
2 A' 3108 2999 31.73      
3 A' 3039 2932 31.88      
4 A' 3032 2925 19.91      
5 A' 2965 2861 73.32      
6 A' 2934 2831 39.80      
7 A' 1533 1479 1.50      
8 A' 1510 1457 6.44      
9 A' 1504 1451 4.66      
10 A' 1491 1439 1.57      
11 A' 1483 1431 0.80      
12 A' 1428 1378 21.91      
13 A' 1412 1363 1.24      
14 A' 1335 1288 5.55      
15 A' 1234 1191 38.19      
16 A' 1169 1128 148.57      
17 A' 1128 1089 9.91      
18 A' 1055 1018 2.87      
19 A' 984 950 21.10      
20 A' 908 876 5.05      
21 A' 438 423 0.53      
22 A' 407 392 2.55      
23 A' 192 185 1.21      
24 A" 3100 2991 58.69      
25 A" 3071 2964 5.03      
26 A" 3004 2899 63.24      
27 A" 2958 2854 61.55      
28 A" 1502 1449 5.13      
29 A" 1486 1434 4.75      
30 A" 1312 1266 0.18      
31 A" 1268 1224 2.16      
32 A" 1204 1162 5.34      
33 A" 1174 1133 0.17      
34 A" 900 868 1.52      
35 A" 764 737 1.43      
36 A" 242 233 0.77      
37 A" 237 228 2.22      
38 A" 114 110 2.32      
39 A" 103 100 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 29916.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 28869.7 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 B3LYP/6-31G(2df,p)
ABC
0.67122 0.07040 0.06691

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.326 0.648 0.000
O2 -1.270 -0.279 0.000
C3 0.000 0.335 0.000
C4 1.071 -0.747 0.000
C5 2.488 -0.168 0.000
H6 -3.262 0.083 0.000
H7 -2.304 1.297 0.891
H8 -2.304 1.297 -0.891
H9 0.112 0.985 0.886
H10 0.112 0.985 -0.886
H11 0.920 -1.385 -0.878
H12 0.920 -1.385 0.878
H13 2.666 0.454 0.884
H14 2.666 0.454 -0.884
H15 3.238 -0.964 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.40532.34733.67284.88311.09301.10231.10232.61612.61613.92993.92995.07315.07315.7934
O21.40531.41072.38783.76002.02432.08452.08452.07232.07232.60632.60634.09994.09994.5603
C32.34731.41071.52252.53853.27162.65092.65091.10511.10512.13912.13912.81082.81083.4892
C43.67282.38781.52251.53054.41194.04514.04512.16952.16951.09601.09602.18332.18332.1779
C54.88313.76002.53851.53055.75555.08965.08962.78612.78612.17022.17021.09571.09571.0938
H61.09302.02433.27164.41195.75551.78451.78453.60313.60314.51854.51856.00456.00456.5840
H71.10232.08452.65094.04515.08961.78451.78242.43593.01554.55164.19355.04045.34386.0516
H81.10232.08452.65094.04515.08961.78451.78243.01552.43594.19354.55165.34385.04046.0516
H92.61612.07231.10512.16952.78613.60312.43593.01551.77273.06362.50422.60823.15233.7895
H102.61612.07231.10512.16952.78613.60313.01552.43591.77272.50423.06363.15232.60823.7895
H113.92992.60632.13911.09602.17024.51854.55164.19353.06362.50421.75693.08792.53552.5143
H123.92992.60632.13911.09602.17024.51854.19354.55162.50423.06361.75692.53553.08792.5143
H135.07314.09992.81082.18331.09576.00455.04045.34382.60823.15233.08792.53551.76791.7670
H145.07314.09992.81082.18331.09576.00455.34385.04043.15232.60822.53553.08791.76791.7670
H155.79344.56033.48922.17791.09386.58406.05166.05163.78953.78952.51432.51431.76701.7670

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 112.927 O2 C1 H6 107.582
O2 C1 H7 111.883 O2 C1 H8 111.883
O2 C3 C4 108.908 O2 C3 H9 110.312
O2 C3 H10 110.312 C3 C4 C5 112.499
C3 C4 H11 108.458 C3 C4 H12 108.458
C4 C3 H9 110.323 C4 C3 H10 110.323
C4 C5 H13 111.397 C4 C5 H14 111.397
C4 C5 H15 111.080 C5 C4 H11 110.341
C5 C4 H12 110.341 H6 C1 H7 108.760
H6 C1 H8 108.760 H7 C1 H8 107.894
H9 C3 H10 106.651 H11 C4 H12 106.537
H13 C5 H14 107.552 H13 C5 H15 107.610
H14 C5 H15 107.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.227      
2 O -0.229      
3 C -0.027      
4 C -0.181      
5 C -0.382      
6 H 0.125      
7 H 0.101      
8 H 0.101      
9 H 0.080      
10 H 0.080      
11 H 0.106      
12 H 0.106      
13 H 0.116      
14 H 0.116      
15 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.232 0.947 0.000 0.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 181.370
(<r2>)1/2 13.467