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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCD/6-31G(2df,p)

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 CCD/6-31G(2df,p)
 hartrees
Energy at 0K-246.707505
Energy at 298.15K-246.713135
HF Energy-245.816805
Nuclear repulsion energy157.535292
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 CCD/6-31G(2df,p)
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' 3206 3036 13.34      
2 A' 3059 2897 36.95      
3 A' 3052 2891 15.55      
4 A' 2399 2272 1.13      
5 A' 1554 1472 4.04      
6 A' 1535 1454 6.58      
7 A' 1517 1437 0.10      
8 A' 1451 1374 43.33      
9 A' 1270 1203 71.95      
10 A' 1207 1143 95.35      
11 A' 1039 984 28.73      
12 A' 969 918 7.97      
13 A' 553 524 1.85      
14 A' 390 370 2.55      
15 A' 184 175 2.75      
16 A" 3120 2956 35.16      
17 A" 3091 2928 20.90      
18 A" 1527 1446 7.48      
19 A" 1295 1227 3.49      
20 A" 1211 1147 3.20      
21 A" 1060 1004 1.71      
22 A" 379 359 2.74      
23 A" 233 221 3.99      
24 A" 89 84 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 17694.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 16760.0 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 CCD/6-31G(2df,p)
ABC
0.98983 0.08280 0.07868

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.123 -0.333 0.000
O2 -0.738 -0.598 0.000
C3 0.000 0.589 0.000
C4 1.432 0.252 0.000
N5 2.565 0.025 0.000
H6 -2.631 -1.296 0.000
H7 -2.423 0.231 0.891
H8 -2.423 0.231 -0.891
H9 -0.214 1.201 -0.886
H10 -0.214 1.201 0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41042.31483.60354.70211.08841.09671.09672.60492.6049
O21.41041.39772.33113.36152.01702.07882.07882.07312.0731
C32.31481.39771.47132.62623.23612.60622.60621.09831.0983
C43.60352.33111.47131.15534.34793.95693.95692.09652.0965
N54.70213.36152.62621.15535.36105.07115.07113.14493.1449
H61.08842.01703.23614.34795.36101.78071.78073.58643.5864
H71.09672.07882.60623.95695.07111.78071.78252.99662.4125
H81.09672.07882.60623.95695.07111.78071.78252.41252.9966
H92.60492.07311.09832.09653.14493.58642.99662.41251.7727
H102.60492.07311.09832.09653.14493.58642.41252.99661.7727

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.039 O2 C1 H6 106.939
O2 C1 H7 111.411 O2 C1 H8 111.411
O2 C3 C4 108.654 O2 C3 H9 111.753
O2 C3 H10 111.753 C3 C4 N5 178.115
C4 C3 H9 108.481 C4 C3 H10 108.481
H6 C1 H7 109.159 H6 C1 H8 109.159
H7 C1 H8 108.710 H9 C3 H10 107.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-246.710013
Energy at 298.15K-246.715764
HF Energy-245.818482
Nuclear repulsion energy160.393010
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 CCD/6-31G(2df,p)
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 3206 3037 13.70      
2 A 3170 3003 3.92      
3 A 3136 2970 27.11      
4 A 3075 2913 20.54      
5 A 3065 2903 26.45      
6 A 2384 2258 1.70      
7 A 1545 1463 8.62      
8 A 1530 1449 5.73      
9 A 1525 1444 3.47      
10 A 1510 1430 1.04      
11 A 1427 1352 18.84      
12 A 1348 1276 8.35      
13 A 1261 1195 70.86      
14 A 1215 1151 17.37      
15 A 1202 1138 59.43      
16 A 1059 1003 6.98      
17 A 986 934 26.99      
18 A 918 870 19.12      
19 A 607 575 1.66      
20 A 406 384 2.57      
21 A 373 354 1.74      
22 A 268 253 11.04      
23 A 183 174 4.20      
24 A 120 113 8.41      

Unscaled Zero Point Vibrational Energy (zpe) 17758.7 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 16821.0 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 CCD/6-31G(2df,p)
ABC
0.40337 0.11348 0.09585

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.553 -0.771 0.136
O2 1.079 0.431 -0.439
C3 -0.052 0.927 0.210
C4 -1.239 0.055 0.034
N5 -2.159 -0.632 -0.096
H6 2.448 -1.051 -0.416
H7 0.812 -1.574 0.053
H8 1.808 -0.629 1.193
H9 -0.273 1.904 -0.221
H10 0.116 1.056 1.287

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41452.33732.91263.72181.08851.09511.09643.25822.5934
O21.41451.39472.39493.42552.01822.08192.07812.01082.0725
C32.33731.39471.48292.63893.24872.65052.61661.09061.0975
C42.91262.39491.48291.15603.87532.61933.33072.10092.0991
N53.72183.42552.63891.15604.63773.12114.17143.16243.1522
H61.08852.01823.24873.87534.63771.78021.78174.02183.5744
H71.09512.08192.65052.61933.12111.78021.78393.65352.9869
H81.09642.07812.61663.33074.17141.78171.78393.57042.3898
H93.25822.01081.09062.10093.16244.02183.65353.57041.7737
H102.59342.07251.09752.09913.15223.57442.98692.38981.7737

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.608 O2 C1 H6 106.752
O2 C1 H7 111.482 O2 C1 H8 111.082
O2 C3 C4 112.622 O2 C3 H9 107.377
O2 C3 H10 111.975 C3 C4 N5 179.424
C4 C3 H9 108.477 C4 C3 H10 107.943
H6 C1 H7 109.227 H6 C1 H8 109.266
H7 C1 H8 108.978 H9 C3 H10 108.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability