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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCSD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-246.864344
Energy at 298.15K 
HF Energy-245.880243
Nuclear repulsion energy157.014334
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 CCSD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.98615 0.08222 0.07814

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.131 -0.327 0.000
O2 -0.741 -0.609 0.000
C3 0.000 0.585 0.000
C4 1.436 0.256 0.000
N5 2.575 0.029 0.000
H6 -2.649 -1.283 0.000
H7 -2.420 0.241 0.892
H8 -2.420 0.241 -0.892
H9 -0.216 1.194 -0.888
H10 -0.216 1.194 0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41832.31843.61434.71991.08741.09641.09642.60162.6016
O21.41831.40622.34273.37752.02322.08242.08242.07732.0773
C32.31841.40621.47302.63453.24182.60172.60171.09761.0976
C43.61432.34271.47301.16184.36503.95723.95722.09672.0967
N54.71993.37752.63451.16185.38655.07835.07833.15213.1521
H61.08742.02323.24184.36505.38651.78131.78133.58363.5836
H71.09642.08242.60173.95725.07831.78131.78402.98822.4004
H81.09642.08242.60173.95725.07831.78131.78402.40042.9882
H92.60162.07731.09762.09673.15213.58362.98822.40041.7753
H102.60162.07731.09762.09673.15213.58362.40042.98821.7753

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.334 O2 C1 H6 106.947
O2 C1 H7 111.161 O2 C1 H8 111.161
O2 C3 C4 108.888 O2 C3 H9 111.535
O2 C3 H10 111.535 C3 C4 N5 178.318
C4 C3 H9 108.421 C4 C3 H10 108.421
H6 C1 H7 109.316 H6 C1 H8 109.316
H7 C1 H8 108.898 H9 C3 H10 107.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-246.866777
Energy at 298.15K 
HF Energy-245.881710
Nuclear repulsion energy159.987990
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 CCSD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.39717 0.11369 0.09570

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.542 -0.783 0.138
O2 1.088 0.434 -0.441
C3 -0.048 0.935 0.212
C4 -1.238 0.063 0.035
N5 -2.158 -0.635 -0.098
H6 2.445 -1.066 -0.398
H7 0.795 -1.576 0.034
H8 1.776 -0.646 1.200
H9 -0.268 1.911 -0.219
H10 0.122 1.056 1.289

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42212.34202.90803.71071.08741.09461.09623.26512.5931
O21.42211.40232.40303.43462.02352.08602.08152.01712.0764
C32.34201.40231.48572.64833.25432.65452.60831.08931.0972
C42.90802.40301.48571.16273.87692.61153.30822.10242.0994
N53.71073.43462.64831.16274.63323.10204.14273.17333.1597
H61.08742.02353.25433.87694.63321.78061.78224.03183.5700
H71.09462.08602.65452.61153.10201.78061.78513.65402.9926
H81.09622.08152.60833.30824.14271.78221.78513.56792.3752
H93.26512.01711.08932.10243.17334.03183.65403.56791.7765
H102.59312.07641.09722.09943.15973.57002.99262.37521.7765

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.028 O2 C1 H6 106.722
O2 C1 H7 111.297 O2 C1 H8 110.832
O2 C3 C4 112.583 O2 C3 H9 107.436
O2 C3 H10 111.764 C3 C4 N5 178.994
C4 C3 H9 108.482 C4 C3 H10 107.795
H6 C1 H7 109.382 H6 C1 H8 109.416
H7 C1 H8 109.145 H9 C3 H10 108.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability