return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H10O (Propane, 2-methoxy-)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-232.935320
Energy at 298.15K 
HF Energy-232.156605
Nuclear repulsion energy197.803152
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.21427 0.13932 0.10898

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.698 -0.000 0.410
H2 1.558 -0.889 1.034
H3 2.719 -0.002 0.034
H4 1.560 0.890 1.032
O5 0.861 -0.001 -0.729
C6 -0.998 -1.263 0.251
H7 -2.088 -1.310 0.262
H8 -0.618 -2.146 -0.262
H9 -0.655 -1.283 1.286
C10 -0.996 1.264 0.250
H11 -2.086 1.313 0.260
H12 -0.654 1.284 1.286
H13 -0.614 2.147 -0.263
C14 -0.542 0.000 -0.472
H15 -0.978 0.000 -1.474

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 H11 H12 H13 C14 H15
C11.09481.08751.09481.41382.98214.00943.22852.81992.98124.00882.81933.22682.40803.2728
H21.09481.77071.77902.09342.69963.75062.82792.26183.43144.32713.11033.95172.73303.6755
H31.08751.77071.77072.00833.93124.98683.97733.82003.93114.98673.82023.97673.29983.9921
H41.09481.77901.77072.09343.43374.32893.95453.11342.69893.75042.26242.82522.73343.6753
O51.41382.09342.00832.09342.45153.37492.64702.82882.45153.37492.82912.64701.42621.9839
C62.98212.69963.93123.43372.45151.09081.09011.09092.52762.79642.77093.46991.52562.1379
H74.00943.75064.98684.32893.37491.09081.77091.76192.79622.62273.13603.79422.15522.4412
H83.22852.82793.97733.95452.64701.09011.77091.77353.46993.79423.76374.29332.15812.4909
H92.81992.26183.82003.11342.82881.09091.76191.77352.77113.13672.56703.76382.17983.0606
C102.98123.43143.93112.69892.45152.52762.79623.46992.77111.09081.09091.09011.52562.1379
H114.00884.32714.98673.75043.37492.79642.62273.79423.13671.09081.76191.77092.15512.4409
H122.81933.11033.82022.26242.82912.77093.13603.76372.56701.09091.76191.77352.17983.0606
H133.22683.95173.97672.82522.64703.46993.79424.29333.76381.09011.77091.77352.15812.4911
C142.40802.73303.29982.73341.42621.52562.15522.15812.17981.52562.15512.17982.15811.0920
H153.27283.67553.99213.67531.98392.13792.44122.49093.06062.13792.44093.06062.49111.0920

picture of Propane, 2-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O5 C14 115.967 H2 C1 H3 108.461
H2 C1 H4 108.674 H2 C1 O5 112.502
H3 C1 H4 108.462 H3 C1 O5 106.075
H4 C1 O5 112.500 O5 C14 C6 112.260
O5 C14 C10 112.266 O5 C14 H15 103.162
C6 C14 C10 111.877 C6 C14 H15 108.385
H7 C6 H8 108.582 H7 C6 H9 107.721
H7 C6 C14 109.802 H8 C6 H9 108.809
H8 C6 C14 110.075 H9 C6 C14 111.768
C10 C14 H15 108.384 H11 C10 H12 107.722
H11 C10 H13 108.580 H11 C10 C14 109.799
H12 C10 H13 108.809 H12 C10 C14 111.770
H13 C10 C14 110.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability