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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-233.494797
Energy at 298.15K 
HF Energy-43.342677
Nuclear repulsion energy106.633265
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/CEP-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' 3178 3071 49.52      
2 A' 3131 3026 66.94      
3 A' 3067 2964 33.01      
4 A' 3026 2924 49.26      
5 A' 3005 2903 97.94      
6 A' 2988 2887 63.59      
7 A' 1544 1492 2.18      
8 A' 1532 1480 6.41      
9 A' 1527 1476 6.04      
10 A' 1522 1471 1.74      
11 A' 1484 1434 0.05      
12 A' 1454 1405 11.28      
13 A' 1438 1390 14.09      
14 A' 1358 1313 5.43      
15 A' 1204 1164 11.43      
16 A' 1146 1107 12.87      
17 A' 1073 1037 88.66      
18 A' 1056 1021 14.76      
19 A' 921 890 0.72      
20 A' 879 849 21.04      
21 A' 412 398 1.21      
22 A' 389 375 4.30      
23 A' 180 174 3.25      
24 A" 3145 3039 118.78      
25 A" 3116 3011 13.98      
26 A" 3096 2991 89.22      
27 A" 3051 2948 76.50      
28 A" 1530 1478 8.34      
29 A" 1509 1458 6.71      
30 A" 1329 1284 0.11      
31 A" 1273 1230 0.50      
32 A" 1187 1147 4.34      
33 A" 1139 1101 0.71      
34 A" 920 889 1.59      
35 A" 786 759 2.63      
36 A" 224 216 0.40      
37 A" 209 202 5.60      
38 A" 100 97 2.19      
39 A" 92 89 5.15      

Unscaled Zero Point Vibrational Energy (zpe) 30109.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 29094.5 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/CEP-31G
ABC
0.63085 0.06624 0.06289

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.464 0.487 0.000
O2 -1.281 -0.406 0.000
C3 0.000 0.352 0.000
C4 1.163 -0.680 0.000
C5 2.563 0.035 0.000
H6 -3.341 -0.183 0.000
H7 -2.472 1.130 0.909
H8 -2.472 1.130 -0.909
H9 0.043 1.004 0.907
H10 0.043 1.004 -0.907
H11 1.061 -1.327 -0.898
H12 1.061 -1.327 0.898
H13 2.681 0.678 0.901
H14 2.681 0.678 -0.901
H15 3.385 -0.712 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.48252.46753.81015.04721.10411.11341.11342.71592.71594.06464.06465.22695.22695.9705
O21.48251.48842.45913.86912.07262.14622.14622.13662.13662.67152.67154.20534.20534.6758
C32.46751.48841.55522.58273.38392.74662.74661.11791.11792.17972.17972.84732.84733.5484
C43.81012.45911.55521.57234.53174.16164.16162.21662.21661.11101.11102.22722.22722.2222
C55.04723.86912.58271.57235.90855.23275.23272.84792.84792.21762.21761.11261.11261.1109
H61.10412.07263.38394.53175.90851.81811.81813.69983.69984.63624.63626.15026.15026.7471
H71.11342.14622.74664.16165.23271.81811.81812.51893.10534.66744.30365.17365.48096.2071
H81.11342.14622.74664.16165.23271.81811.81813.10532.51894.30364.66745.48095.17366.2071
H92.71592.13661.11792.21662.84793.69982.51893.10531.81403.11872.54362.65823.21463.8646
H102.71592.13661.11792.21662.84793.69983.10532.51891.81402.54363.11873.21462.65823.8646
H114.06462.67152.17971.11102.21764.63624.66744.30363.11872.54361.79513.14302.57772.5661
H124.06462.67152.17971.11102.21764.63624.30364.66742.54363.11871.79512.57773.14302.5661
H135.22694.20532.84732.22721.11266.15025.17365.48092.65823.21463.14302.57771.80131.7994
H145.22694.20532.84732.22721.11266.15025.48095.17363.21462.65822.57773.14301.80131.7994
H155.97054.67583.54842.22221.11096.74716.20716.20713.86463.86462.56612.56611.79941.7994

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 112.309 O2 C1 H6 105.574
O2 C1 H7 110.734 O2 C1 H8 110.734
O2 C3 C4 107.772 O2 C3 H9 109.306
O2 C3 H10 109.306 C3 C4 C5 111.341
C3 C4 H11 108.527 C3 C4 H12 108.527
C4 C3 H9 110.985 C4 C3 H10 110.985
C4 C5 H13 110.940 C4 C5 H14 110.940
C4 C5 H15 110.652 C5 C4 H11 110.288
C5 C4 H12 110.288 H6 C1 H7 110.143
H6 C1 H8 110.143 H7 C1 H8 109.461
H9 C3 H10 108.462 H11 C4 H12 107.770
H13 C5 H14 108.090 H13 C5 H15 108.051
H14 C5 H15 108.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability