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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-246.724246
Energy at 298.15K-246.729938
HF Energy-245.814421
Nuclear repulsion energy157.695958
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/6-31G(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' 3230 3036 10.46      
2 A' 3071 2886 36.94      
3 A' 3054 2871 17.42      
4 A' 2247 2112 6.59      
5 A' 1554 1460 5.95      
6 A' 1533 1441 4.35      
7 A' 1508 1418 0.33      
8 A' 1436 1349 36.46      
9 A' 1255 1179 58.92      
10 A' 1197 1125 103.00      
11 A' 1028 966 27.36      
12 A' 971 913 6.97      
13 A' 558 525 1.89      
14 A' 391 368 2.36      
15 A' 189 177 2.36      
16 A" 3144 2955 32.87      
17 A" 3097 2911 19.75      
18 A" 1533 1441 8.28      
19 A" 1295 1217 3.04      
20 A" 1209 1137 2.66      
21 A" 1060 996 1.41      
22 A" 409 384 2.05      
23 A" 246 231 3.85      
24 A" 94 89 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17653.8 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 16592.8 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 MP2=FULL/6-31G(2df,p)
ABC
0.98724 0.08327 0.07907

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.116 -0.324 0.000
O2 -0.735 -0.604 0.000
C3 0.000 0.586 0.000
C4 1.420 0.254 0.000
N5 2.564 0.020 0.000
H6 -2.631 -1.281 0.000
H7 -2.411 0.242 0.889
H8 -2.411 0.242 -0.889
H9 -0.219 1.198 -0.884
H10 -0.219 1.198 0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.40952.30373.58304.69331.08611.09431.09432.58842.5884
O21.40951.39812.31893.35752.01332.07742.07742.07212.0721
C32.30371.39811.45802.62603.22572.59272.59271.09721.0972
C43.58302.31891.45801.16824.33163.93283.93282.08732.0873
N54.69333.35752.62601.16825.35555.05925.05923.14873.1487
H61.08612.01333.22574.33165.35551.77691.77693.56993.5699
H71.09432.07742.59273.93285.05921.77691.77722.97702.3919
H81.09432.07742.59273.93285.05921.77691.77722.39192.9770
H92.58842.07211.09722.08733.14873.56992.97702.39191.7677
H102.58842.07211.09722.08733.14873.56992.39192.97701.7677

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.275 O2 C1 H6 106.846
O2 C1 H7 111.519 O2 C1 H8 111.519
O2 C3 C4 108.549 O2 C3 H9 111.715
O2 C3 H10 111.715 C3 C4 N5 178.393
C4 C3 H9 108.729 C4 C3 H10 108.729
H6 C1 H7 109.160 H6 C1 H8 109.160
H7 C1 H8 108.584 H9 C3 H10 107.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-246.727522
Energy at 298.15K-246.733317
HF Energy-245.815918
Nuclear repulsion energy160.701599
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/6-31G(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 3231 3037 10.61      
2 A 3181 2990 2.54      
3 A 3158 2968 24.75      
4 A 3079 2894 22.97      
5 A 3077 2892 24.45      
6 A 2228 2094 6.92      
7 A 1551 1458 8.79      
8 A 1533 1441 8.02      
9 A 1515 1424 2.77      
10 A 1506 1415 1.67      
11 A 1412 1327 14.93      
12 A 1345 1264 6.64      
13 A 1249 1174 46.54      
14 A 1210 1137 6.92      
15 A 1193 1122 85.55      
16 A 1056 992 6.04      
17 A 980 921 27.73      
18 A 924 869 14.27      
19 A 609 573 1.78      
20 A 409 385 1.52      
21 A 389 365 2.39      
22 A 276 259 10.12      
23 A 190 178 4.25      
24 A 124 117 8.14      

Unscaled Zero Point Vibrational Energy (zpe) 17711.0 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 16646.5 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/6-31G(2df,p)
ABC
0.40034 0.11511 0.09686

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.526 -0.781 0.137
O2 1.084 0.431 -0.440
C3 -0.045 0.929 0.212
C4 -1.221 0.066 0.036
N5 -2.151 -0.629 -0.099
H6 2.417 -1.080 -0.407
H7 0.770 -1.566 0.050
H8 1.776 -0.647 1.194
H9 -0.261 1.906 -0.220
H10 0.124 1.058 1.287

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41342.32342.87633.68801.08611.09291.09413.24652.5821
O21.41341.39592.38213.42222.01502.08022.07652.00832.0730
C32.32341.39591.46942.63863.23742.63002.60141.08921.0962
C42.87632.38211.46941.16933.83962.57473.29152.09082.0880
N53.68803.42222.63861.16934.60063.07194.13503.16463.1538
H61.08612.01503.23743.83964.60061.77631.77814.01513.5632
H71.09292.08022.63002.57473.07191.77631.77883.63172.9718
H81.09412.07652.60143.29154.13501.77811.77883.55912.3758
H93.24652.00831.08922.09083.16464.01513.63173.55911.7715
H102.58212.07301.09622.08803.15383.56322.97182.37581.7715

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.593 O2 C1 H6 106.711
O2 C1 H7 111.558 O2 C1 H8 111.173
O2 C3 C4 112.457 O2 C3 H9 107.185
O2 C3 H10 112.013 C3 C4 N5 179.443
C4 C3 H9 108.694 C4 C3 H10 108.065
H6 C1 H7 109.212 H6 C1 H8 109.286
H7 C1 H8 108.849 H9 C3 H10 108.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability