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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP3=FULL/6-31G

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 MP3=FULL/6-31G
 hartrees
Energy at 0K-246.190516
Energy at 298.15K-246.195897
HF Energy-245.670276
Nuclear repulsion energy154.227973
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 MP3=FULL/6-31G
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' 3185 3185 16.36      
2 A' 3029 3029 37.93      
3 A' 3021 3021 16.21      
4 A' 2399 2399 0.12      
5 A' 1577 1577 2.19      
6 A' 1564 1564 7.17      
7 A' 1517 1517 0.63      
8 A' 1444 1444 26.81      
9 A' 1219 1219 18.15      
10 A' 1116 1116 105.32      
11 A' 977 977 1.51      
12 A' 925 925 30.07      
13 A' 524 524 0.28      
14 A' 362 362 2.19      
15 A' 162 162 1.49      
16 A" 3092 3092 51.12      
17 A" 3054 3054 29.21      
18 A" 1551 1551 8.67      
19 A" 1264 1264 1.95      
20 A" 1179 1179 4.33      
21 A" 1061 1061 3.20      
22 A" 324 324 0.68      
23 A" 202 202 6.89      
24 A" 81 81 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 17414.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17414.8 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 MP3=FULL/6-31G
ABC
0.92077 0.07979 0.07556

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.169 -0.456 0.000
O2 -0.717 -0.631 0.000
C3 0.000 0.636 0.000
C4 1.446 0.336 0.000
N5 2.595 0.112 0.000
H6 -2.581 -1.468 0.000
H7 -2.501 0.086 0.900
H8 -2.501 0.086 -0.900
H9 -0.256 1.232 -0.893
H10 -0.256 1.232 0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.46282.42853.70054.79791.09321.10181.10182.70302.7030
O21.46281.45602.36893.39412.04412.12322.12322.11672.1167
C32.42851.45601.47662.64783.33072.71452.71451.10361.1036
C43.70052.36891.47661.17124.41304.05594.05592.12042.1204
N54.79793.39412.64781.17125.41245.17525.17523.19103.1910
H61.09322.04413.33074.41305.41241.79781.79783.67383.6738
H71.10182.12322.71454.05595.17521.79781.80033.09362.5207
H81.10182.12322.71454.05595.17521.79781.80032.52073.0936
H92.70302.11671.10362.12043.19103.67383.09362.52071.7866
H102.70302.11671.10362.12043.19103.67382.52073.09361.7866

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.610 O2 C1 H6 105.295
O2 C1 H7 110.982 O2 C1 H8 110.982
O2 C3 C4 107.755 O2 C3 H9 110.825
O2 C3 H10 110.825 C3 C4 N5 179.329
C4 C3 H9 109.679 C4 C3 H10 109.679
H6 C1 H7 109.975 H6 C1 H8 109.975
H7 C1 H8 109.562 H9 C3 H10 108.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-246.192849
Energy at 298.15K-246.198359
HF Energy-245.672494
Nuclear repulsion energy156.983179
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 MP3=FULL/6-31G
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 3187 3187 17.30      
2 A 3142 3142 5.19      
3 A 3107 3107 40.15      
4 A 3039 3039 27.27      
5 A 3037 3037 25.63      
6 A 2381 2381 0.34      
7 A 1569 1569 8.87      
8 A 1554 1554 10.21      
9 A 1547 1547 2.56      
10 A 1517 1517 0.31      
11 A 1413 1413 8.68      
12 A 1310 1310 2.77      
13 A 1214 1214 12.27      
14 A 1182 1182 4.38      
15 A 1121 1121 84.24      
16 A 1042 1042 11.50      
17 A 931 931 34.12      
18 A 875 875 17.18      
19 A 580 580 4.14      
20 A 377 377 4.86      
21 A 324 324 0.83      
22 A 233 233 12.89      
23 A 165 165 4.40      
24 A 110 110 10.98      

Unscaled Zero Point Vibrational Energy (zpe) 17477.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17477.7 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 MP3=FULL/6-31G
ABC
0.37795 0.10980 0.09207

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.611 -0.786 0.145
O2 1.086 0.449 -0.448
C3 -0.101 0.961 0.215
C4 -1.272 0.060 0.044
N5 -2.166 -0.684 -0.102
H6 2.526 -1.006 -0.412
H7 0.895 -1.613 0.034
H8 1.845 -0.636 1.211
H9 -0.302 1.932 -0.250
H10 0.084 1.113 1.292

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.46692.44673.00673.78701.09311.10011.10173.34712.6932
O21.46691.45292.44063.46182.04672.12652.12252.04102.1150
C32.44671.45291.48812.65983.34042.76602.70671.09561.1031
C43.00672.44061.48811.17223.97092.73793.40052.12912.1234
N53.78703.46182.65981.17224.71323.20204.22093.21603.2001
H61.09312.04673.34043.97094.71321.79661.79874.08063.6543
H71.10012.12652.76602.73793.20201.79661.80083.75263.1102
H81.10172.12252.70673.40054.22091.79871.80083.65222.4829
H93.34712.04101.09562.12913.21604.08063.75263.65221.7886
H102.69322.11501.10312.12343.20013.65433.11022.48291.7886

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 113.850 O2 C1 H6 105.223
O2 C1 H7 111.065 O2 C1 H8 110.645
O2 C3 C4 112.162 O2 C3 H9 105.566
O2 C3 H10 110.936 C3 C4 N5 177.744
C4 C3 H9 110.058 C4 C3 H10 109.158
H6 C1 H7 110.003 H6 C1 H8 110.074
H7 C1 H8 109.751 H9 C3 H10 108.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability