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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-233.450608
Energy at 298.15K 
HF Energy-230.854495
Nuclear repulsion energy185.575433
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 MP2/3-21G*
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' 3173 3018 28.02      
2 A' 3160 3006 26.82      
3 A' 3112 2960 14.52      
4 A' 3082 2932 18.45      
5 A' 3037 2889 45.64      
6 A' 3017 2870 29.66      
7 A' 1630 1551 0.43      
8 A' 1614 1536 9.98      
9 A' 1607 1528 3.20      
10 A' 1595 1517 2.70      
11 A' 1540 1465 3.29      
12 A' 1496 1424 9.70      
13 A' 1458 1387 24.47      
14 A' 1390 1322 3.07      
15 A' 1229 1170 14.72      
16 A' 1160 1104 3.07      
17 A' 1102 1049 97.17      
18 A' 1040 989 0.23      
19 A' 927 882 0.82      
20 A' 905 861 18.33      
21 A' 426 405 1.30      
22 A' 409 389 3.28      
23 A' 186 177 2.62      
24 A" 3168 3014 47.26      
25 A" 3142 2989 2.58      
26 A" 3084 2934 60.71      
27 A" 3051 2903 53.34      
28 A" 1605 1527 7.50      
29 A" 1590 1512 4.94      
30 A" 1381 1314 0.08      
31 A" 1322 1257 0.31      
32 A" 1232 1172 3.17      
33 A" 1185 1127 0.46      
34 A" 962 915 1.93      
35 A" 807 768 2.46      
36 A" 252 240 0.15      
37 A" 241 229 3.85      
38 A" 125 119 3.57      
39 A" 99 95 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 30770.1 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 29271.6 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 MP2/3-21G*
ABC
0.64635 0.06850 0.06498

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.417 0.499 0.000
O2 -1.256 -0.399 0.000
C3 0.000 0.362 0.000
C4 1.133 -0.674 0.000
C5 2.525 0.003 0.000
H6 -3.297 -0.147 0.000
H7 -2.436 1.142 0.892
H8 -2.436 1.142 -0.892
H9 0.069 1.006 0.891
H10 0.069 1.006 -0.891
H11 1.013 -1.308 -0.884
H12 1.013 -1.308 0.884
H13 2.646 0.633 0.889
H14 2.646 0.633 -0.889
H15 3.321 -0.748 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.46752.42133.73894.96741.09161.09931.09932.68932.68933.97723.97725.14275.14275.8726
O21.46751.46862.40493.80292.05622.13522.13522.12702.12702.60032.60034.13324.13324.5910
C32.42131.46861.53492.55053.33632.70852.70851.10181.10182.14432.14432.80452.80453.5018
C43.73892.40491.53491.54854.46114.10204.10202.17942.17941.09471.09472.18832.18832.1899
C54.96743.80292.55051.54855.82435.16745.16742.79902.79902.18802.18801.09591.09591.0946
H61.09162.05623.33634.46115.82431.78851.78853.66803.66804.55104.55106.05986.05986.6457
H71.09932.13522.70854.10205.16741.78851.78302.50823.07694.58844.23085.10735.40876.1246
H81.09932.13522.70854.10205.16741.78851.78303.07692.50824.23084.58845.40875.10736.1246
H92.68932.12701.10182.17942.79903.66802.50823.07691.78163.06622.50002.60433.15433.8015
H102.68932.12701.10182.17942.79903.66803.07692.50821.78162.50003.06623.15432.60433.8015
H113.97722.60032.14431.09472.18804.55104.58844.23083.06622.50001.76893.09472.53632.5342
H123.97722.60032.14431.09472.18804.55104.23084.58842.50003.06621.76892.53633.09472.5342
H135.14274.13322.80452.18831.09596.05985.10735.40872.60433.15433.09472.53631.77751.7756
H145.14274.13322.80452.18831.09596.05985.40875.10733.15432.60432.53633.09471.77751.7756
H155.87264.59103.50182.18991.09466.64576.12466.12463.80153.80152.53422.53421.77561.7756

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 111.103 O2 C1 H6 105.993
O2 C1 H7 111.773 O2 C1 H8 111.773
O2 C3 C4 106.369 O2 C3 H9 110.879
O2 C3 H10 110.879 C3 C4 C5 111.616
C3 C4 H11 108.087 C3 C4 H12 108.087
C4 C3 H9 110.417 C4 C3 H10 110.417
C4 C5 H13 110.520 C4 C5 H14 110.520
C4 C5 H15 110.721 C5 C4 H11 110.566
C5 C4 H12 110.566 H6 C1 H7 109.437
H6 C1 H8 109.437 H7 C1 H8 108.381
H9 C3 H10 107.902 H11 C4 H12 107.785
H13 C5 H14 108.391 H13 C5 H15 108.304
H14 C5 H15 108.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability