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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at MP2/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-246.686350
Energy at 298.15K-246.692063
HF Energy-245.814912
Nuclear repulsion energy160.271176
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 MP2/6-31G(2df,p)
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 3224 3045 10.72      
2 A 3176 3000 2.65      
3 A 3148 2973 24.66      
4 A 3070 2900 21.91      
5 A 3068 2898 25.70      
6 A 2207 2085 7.56      
7 A 1540 1454 8.76      
8 A 1523 1438 7.49      
9 A 1510 1426 2.49      
10 A 1497 1414 1.56      
11 A 1405 1327 14.65      
12 A 1330 1256 6.29      
13 A 1239 1170 44.77      
14 A 1204 1137 8.39      
15 A 1182 1116 87.21      
16 A 1045 987 6.23      
17 A 970 916 27.61      
18 A 913 863 15.33      
19 A 598 565 1.92      
20 A 401 379 2.56      
21 A 360 340 1.28      
22 A 266 252 9.18      
23 A 183 173 4.62      
24 A 121 115 8.18      

Unscaled Zero Point Vibrational Energy (zpe) 17589.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 16613.4 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 MP2/6-31G(2df,p)
ABC
0.39502 0.11502 0.09652

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.524 -0.788 0.139
O2 1.087 0.429 -0.441
C3 -0.043 0.938 0.210
C4 -1.226 0.073 0.038
N5 -2.151 -0.636 -0.099
H6 2.420 -1.085 -0.402
H7 0.766 -1.572 0.044
H8 1.767 -0.654 1.199
H9 -0.253 1.916 -0.226
H10 0.131 1.070 1.287

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41742.33212.88343.68551.08781.09481.09613.25562.5903
O21.41741.39962.38843.42522.01802.08422.08032.01242.0761
C32.33211.39961.47592.64923.24552.64262.60561.09081.0983
C42.88342.38841.47591.17353.85062.58373.29202.10012.0961
N53.68553.42522.64921.17354.60243.06664.12773.18253.1681
H61.08782.01803.24553.85064.60241.78061.78204.02233.5687
H71.09482.08422.64262.58373.06661.78061.78313.64342.9878
H81.09612.08032.60563.29204.12771.78201.78313.56592.3785
H93.25562.01241.09082.10013.18254.02233.64343.56591.7753
H102.59032.07611.09832.09613.16813.56872.98782.37851.7753

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.760 O2 C1 H6 106.585
O2 C1 H7 111.476 O2 C1 H8 111.072
O2 C3 C4 112.296 O2 C3 H9 107.162
O2 C3 H10 111.866 C3 C4 N5 178.682
C4 C3 H9 108.890 C4 C3 H10 108.140
H6 C1 H7 109.341 H6 C1 H8 109.364
H7 C1 H8 108.953 H9 C3 H10 108.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability