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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: QCISD(T)=FULL/6-31+G**

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 QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-246.644298
Energy at 298.15K-246.649745
HF Energy-245.802544
Nuclear repulsion energy156.251574
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 QCISD(T)=FULL/6-31+G**
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' 3216 3216        
2 A' 3052 3052        
3 A' 3045 3045        
4 A' 2299 2299        
5 A' 1554 1554        
6 A' 1540 1540        
7 A' 1507 1507        
8 A' 1431 1431        
9 A' 1240 1240        
10 A' 1164 1164        
11 A' 994 994        
12 A' 955 955        
13 A' 526 526        
14 A' 375 375        
15 A' 172 172        
16 A" 3120 3120        
17 A" 3089 3089        
18 A" 1529 1529        
19 A" 1268 1268        
20 A" 1192 1192        
21 A" 1044 1044        
22 A" 335 335        
23 A" 215 215        
24 A" 73 73        

Unscaled Zero Point Vibrational Energy (zpe) 17466.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17466.4 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 QCISD(T)=FULL/6-31+G**
ABC
0.97276 0.08147 0.07739

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.144 -0.346 0.000
O2 -0.740 -0.608 0.000
C3 0.000 0.599 0.000
C4 1.437 0.262 0.000
N5 2.588 0.036 0.000
H6 -2.634 -1.315 0.000
H7 -2.437 0.216 0.894
H8 -2.437 0.216 -0.894
H9 -0.219 1.203 -0.890
H10 -0.219 1.203 0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42762.34263.63164.74671.08661.09531.09532.62522.6252
O21.42761.41582.34453.38982.02172.08672.08672.08352.0835
C32.34261.41581.47572.64803.25632.62372.62371.09721.0972
C43.63162.34451.47571.17284.36593.97553.97552.10202.1020
N54.74673.38982.64801.17285.39405.10635.10633.16703.1670
H61.08662.02173.25634.36595.39401.78351.78353.60043.6004
H71.09532.08672.62373.97555.10631.78351.78783.01202.4272
H81.09532.08672.62373.97555.10631.78351.78782.42723.0120
H92.62522.08351.09722.10203.16703.60043.01202.42721.7790
H102.62522.08351.09722.10203.16703.60042.42723.01201.7790

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.946 O2 C1 H6 106.261
O2 C1 H7 110.920 O2 C1 H8 110.920
O2 C3 C4 108.338 O2 C3 H9 111.380
O2 C3 H10 111.380 C3 C4 N5 177.902
C4 C3 H9 108.675 C4 C3 H10 108.675
H6 C1 H7 109.650 H6 C1 H8 109.650
H7 C1 H8 109.390 H9 C3 H10 108.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-246.646866
Energy at 298.15K 
HF Energy-245.804265
Nuclear repulsion energy159.223724
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 QCISD(T)=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/6-31+G**
ABC
0.39139 0.11294 0.09476

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.548 -0.792 0.138
O2 1.094 0.437 -0.436
C3 -0.053 0.946 0.211
C4 -1.239 0.063 0.035
N5 -2.167 -0.642 -0.098
H6 2.465 -1.049 -0.386
H7 0.811 -1.588 0.001
H8 1.756 -0.665 1.206
H9 -0.266 1.916 -0.238
H10 0.116 1.080 1.286

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.43112.36512.91733.72601.08671.09351.09523.28102.6217
O21.43111.41182.40863.45112.02272.09062.08602.01812.0820
C32.36511.41181.48842.66183.26792.68562.61951.08901.0969
C42.91732.40861.48841.17343.89022.63223.29702.11002.1057
N53.72603.45112.66181.17344.65913.12604.13403.19003.1769
H61.08672.02273.26793.89024.65911.78251.78424.03323.5836
H71.09352.09062.68562.63223.12601.78251.78813.67283.0415
H81.09522.08602.61953.29704.13401.78421.78813.58232.3959
H93.28102.01811.08902.11003.19004.03323.67283.58231.7798
H102.62172.08201.09692.10573.17693.58363.04152.39591.7798

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.587 O2 C1 H6 106.101
O2 C1 H7 111.099 O2 C1 H8 110.612
O2 C3 C4 112.270 O2 C3 H9 106.892
O2 C3 H10 111.562 C3 C4 N5 179.392
C4 C3 H9 108.917 C4 C3 H10 108.117
H6 C1 H7 109.688 H6 C1 H8 109.715
H7 C1 H8 109.568 H9 C3 H10 109.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability