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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-246.538398
Energy at 298.15K-246.543953
HF Energy-245.788571
Nuclear repulsion energy156.528924
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3188 3011 18.64      
2 A' 3037 2868 46.24      
3 A' 3028 2859 17.55      
4 A' 2372 2239 2.19      
5 A' 1568 1481 1.69      
6 A' 1551 1464 8.21      
7 A' 1520 1435 0.39      
8 A' 1450 1369 43.99      
9 A' 1259 1189 62.34      
10 A' 1193 1126 103.20      
11 A' 1022 965 31.66      
12 A' 972 918 9.73      
13 A' 543 513 1.14      
14 A' 386 364 2.38      
15 A' 179 169 2.37      
16 A" 3095 2923 47.40      
17 A" 3064 2893 30.77      
18 A" 1539 1453 7.26      
19 A" 1288 1216 3.18      
20 A" 1205 1137 3.70      
21 A" 1063 1004 2.32      
22 A" 361 341 2.18      
23 A" 229 217 4.95      
24 A" 88 83 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 17598.5 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 16618.3 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 CCSD/6-31G*
ABC
0.97235 0.08186 0.07774

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.137 -0.345 0.000
O2 -0.739 -0.602 0.000
C3 0.000 0.598 0.000
C4 1.437 0.259 0.000
N5 2.580 0.030 0.000
H6 -2.630 -1.319 0.000
H7 -2.440 0.218 0.896
H8 -2.440 0.218 -0.896
H9 -0.218 1.210 -0.890
H10 -0.218 1.210 0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42182.33603.62484.73211.09211.10061.10062.62572.6257
O21.42181.40982.34023.37872.02222.09012.09012.08592.0859
C32.33601.40981.47642.64183.25462.62662.62661.10241.1024
C43.62482.34021.47641.16584.36233.97903.97902.10652.1065
N54.73213.37872.64181.16585.38175.10255.10253.16493.1649
H61.09212.02223.25464.36235.38171.78981.78983.60683.6068
H71.10062.09012.62663.97905.10251.78981.79243.01852.4330
H81.10062.09012.62663.97905.10251.78981.79242.43303.0185
H92.62572.08591.10242.10653.16493.60683.01852.43301.7807
H102.62572.08591.10242.10653.16493.60682.43303.01851.7807

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.169 O2 C1 H6 106.364
O2 C1 H7 111.277 O2 C1 H8 111.277
O2 C3 C4 108.335 O2 C3 H9 111.673
O2 C3 H10 111.673 C3 C4 N5 178.054
C4 C3 H9 108.676 C4 C3 H10 108.676
H6 C1 H7 109.423 H6 C1 H8 109.423
H7 C1 H8 109.025 H9 C3 H10 107.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-246.536828
Energy at 298.15K 
HF Energy-245.794982
Nuclear repulsion energy161.029821
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/6-31G*
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31G*
ABC
0.97235 0.08186 0.07774

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

Point Group is C1

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability