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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP2=FULL/6-311G**

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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-246.735859
Energy at 298.15K-246.741430
HF Energy-245.850110
Nuclear repulsion energy157.071200
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=FULL/6-311G**
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' 3208 3043 15.84      
2 A' 3044 2887 54.02      
3 A' 3038 2882 19.24      
4 A' 2219 2105 9.81      
5 A' 1545 1466 4.69      
6 A' 1522 1444 7.84      
7 A' 1501 1423 0.46      
8 A' 1436 1362 37.99      
9 A' 1247 1183 53.87      
10 A' 1186 1125 114.86      
11 A' 1022 970 34.15      
12 A' 966 916 5.57      
13 A' 548 519 1.00      
14 A' 382 363 1.59      
15 A' 180 170 2.06      
16 A" 3112 2952 44.83      
17 A" 3080 2922 30.11      
18 A" 1507 1430 8.53      
19 A" 1285 1219 4.23      
20 A" 1204 1142 4.34      
21 A" 1047 993 2.79      
22 A" 361 343 1.20      
23 A" 228 217 4.03      
24 A" 83 78 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17474.6 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 16576.4 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=FULL/6-311G**
ABC
0.97803 0.08257 0.07841

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.126 -0.320 0.000
O2 -0.741 -0.605 0.000
C3 0.000 0.588 0.000
C4 1.428 0.256 0.000
N5 2.575 0.011 0.000
H6 -2.642 -1.279 0.000
H7 -2.416 0.248 0.894
H8 -2.416 0.248 -0.894
H9 -0.216 1.198 -0.889
H10 -0.216 1.198 0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41432.31203.60064.71231.08871.09791.09792.59672.5967
O21.41431.40452.33343.37212.01692.08172.08172.07772.0777
C32.31201.40451.46652.63853.23502.59872.59871.09981.0998
C43.60062.33341.46651.17214.34963.94703.94702.09382.0938
N54.71233.37212.63851.17215.37345.07585.07583.16053.1605
H61.08872.01693.23504.34965.37341.78341.78343.57893.5789
H71.09792.08172.59873.94705.07581.78341.78732.98692.3964
H81.09792.08172.59873.94705.07581.78341.78732.39642.9869
H92.59672.07771.09982.09383.16053.57892.98692.39641.7787
H102.59672.07771.09982.09383.16053.57892.39642.98691.7787

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.210 O2 C1 H6 106.651
O2 C1 H7 111.294 O2 C1 H8 111.294
O2 C3 C4 108.717 O2 C3 H9 111.549
O2 C3 H10 111.549 C3 C4 N5 178.923
C4 C3 H9 108.506 C4 C3 H10 108.506
H6 C1 H7 109.293 H6 C1 H8 109.293
H7 C1 H8 108.964 H9 C3 H10 107.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-246.738520
Energy at 298.15K-246.744229
HF Energy-245.851719
Nuclear repulsion energy160.087820
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=FULL/6-311G**
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 3209 3044 16.64      
2 A 3172 3009 4.55      
3 A 3126 2965 35.03      
4 A 3059 2902 31.83      
5 A 3050 2893 35.58      
6 A 2200 2087 10.04      
7 A 1535 1456 9.78      
8 A 1514 1436 4.48      
9 A 1507 1429 6.00      
10 A 1495 1419 1.26      
11 A 1409 1336 17.47      
12 A 1334 1265 6.98      
13 A 1240 1176 50.71      
14 A 1208 1145 10.05      
15 A 1183 1122 87.92      
16 A 1043 989 8.37      
17 A 972 922 30.15      
18 A 916 869 17.37      
19 A 603 572 1.85      
20 A 401 381 2.73      
21 A 353 335 0.92      
22 A 263 250 9.67      
23 A 180 171 3.94      
24 A 119 113 7.82      

Unscaled Zero Point Vibrational Energy (zpe) 17545.4 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 16643.5 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=FULL/6-311G**
ABC
0.39597 0.11438 0.09614

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.529 -0.786 0.138
O2 1.089 0.430 -0.441
C3 -0.044 0.936 0.211
C4 -1.230 0.071 0.040
N5 -2.156 -0.635 -0.100
H6 2.443 -1.065 -0.384
H7 0.785 -1.582 0.017
H8 1.746 -0.656 1.207
H9 -0.256 1.913 -0.228
H10 0.131 1.065 1.288

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41772.33382.89133.69641.08871.09621.09793.25692.5895
O21.41771.40142.39563.43252.01792.08602.08042.01342.0767
C32.33381.40141.47832.65123.24682.65832.59441.09111.0995
C42.89132.39561.47831.17303.86802.60683.27832.10012.0977
N53.69643.43252.65121.17304.62793.09244.11523.18043.1704
H61.08872.01793.24683.86804.62791.78221.78454.02213.5608
H71.09622.08602.65832.60683.09241.78221.78743.65483.0086
H81.09792.08042.59443.27834.11521.78451.78743.55892.3616
H93.25692.01341.09112.10013.18044.02213.65483.55891.7795
H102.58952.07671.09952.09773.17043.56083.00862.36161.7795

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.756 O2 C1 H6 106.500
O2 C1 H7 111.521 O2 C1 H8 110.953
O2 C3 C4 112.553 O2 C3 H9 107.097
O2 C3 H10 111.710 C3 C4 N5 178.761
C4 C3 H9 108.702 C4 C3 H10 108.029
H6 C1 H7 109.307 H6 C1 H8 109.392
H7 C1 H8 109.112 H9 C3 H10 108.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability