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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

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

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 MP2/6-311G**
 hartrees
Energy at 0K-246.641936
Energy at 298.15K-246.647494
HF Energy-245.849802
Nuclear repulsion energy156.927600
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 MP2/6-311G**
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' 3202 3043 16.13      
2 A' 3038 2887 54.28      
3 A' 3033 2881 19.21      
4 A' 2212 2102 10.04      
5 A' 1545 1468 4.52      
6 A' 1523 1447 7.67      
7 A' 1500 1425 0.55      
8 A' 1434 1363 38.26      
9 A' 1246 1184 50.63      
10 A' 1182 1124 118.59      
11 A' 1019 968 34.26      
12 A' 963 915 5.47      
13 A' 545 518 0.97      
14 A' 381 362 1.57      
15 A' 178 170 2.06      
16 A" 3106 2951 45.22      
17 A" 3075 2922 30.42      
18 A" 1508 1433 8.31      
19 A" 1283 1219 4.22      
20 A" 1202 1143 4.42      
21 A" 1046 994 2.84      
22 A" 357 340 1.19      
23 A" 228 217 4.01      
24 A" 82 78 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17443.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 16575.2 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 MP2/6-311G**
ABC
0.97597 0.08242 0.07826

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.128 -0.318 0.000
O2 -0.742 -0.605 0.000
C3 0.000 0.589 0.000
C4 1.430 0.255 0.000
N5 2.577 0.009 0.000
H6 -2.645 -1.277 0.000
H7 -2.418 0.250 0.894
H8 -2.418 0.250 -0.894
H9 -0.216 1.199 -0.890
H10 -0.216 1.199 0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41602.31393.60424.71681.08911.09831.09832.59842.5984
O21.41601.40602.33573.37512.01812.08312.08312.07922.0792
C32.31391.40601.46852.64143.23702.59992.59991.10021.1002
C43.60422.33571.46851.17314.35303.95013.95012.09592.0959
N54.71683.37512.64141.17315.37775.07975.07973.16363.1636
H61.08912.01813.23704.35305.37771.78441.78443.58083.5808
H71.09832.08312.59993.95015.07971.78441.78832.98842.3974
H81.09832.08312.59993.95015.07971.78441.78832.39742.9884
H92.59842.07921.10022.09593.16363.58082.98842.39741.7799
H102.59842.07921.10022.09593.16363.58082.39742.98841.7799

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.160 O2 C1 H6 106.606
O2 C1 H7 111.267 O2 C1 H8 111.267
O2 C3 C4 108.677 O2 C3 H9 111.542
O2 C3 H10 111.542 C3 C4 N5 178.916
C4 C3 H9 108.509 C4 C3 H10 108.509
H6 C1 H7 109.326 H6 C1 H8 109.326
H7 C1 H8 108.997 H9 C3 H10 107.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-246.644588
Energy at 298.15K-246.650285
HF Energy-245.851419
Nuclear repulsion energy159.940125
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 MP2/6-311G**
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 3203 3043 16.95      
2 A 3166 3009 4.70      
3 A 3120 2965 35.34      
4 A 3054 2902 32.07      
5 A 3044 2893 35.66      
6 A 2193 2084 10.27      
7 A 1536 1459 9.67      
8 A 1515 1439 4.82      
9 A 1507 1432 5.42      
10 A 1496 1421 1.03      
11 A 1407 1337 17.62      
12 A 1332 1266 6.81      
13 A 1238 1177 47.24      
14 A 1206 1146 9.56      
15 A 1179 1121 92.51      
16 A 1042 990 8.19      
17 A 969 921 30.42      
18 A 912 867 17.69      
19 A 601 571 1.83      
20 A 400 380 2.75      
21 A 350 332 0.90      
22 A 262 249 9.53      
23 A 179 170 3.98      
24 A 119 113 7.81      

Unscaled Zero Point Vibrational Energy (zpe) 17515.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 16643.0 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 MP2/6-311G**
ABC
0.39496 0.11420 0.09597

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.530 -0.788 0.139
O2 1.090 0.430 -0.442
C3 -0.043 0.938 0.211
C4 -1.232 0.072 0.040
N5 -2.158 -0.635 -0.101
H6 2.444 -1.066 -0.384
H7 0.785 -1.583 0.017
H8 1.746 -0.657 1.208
H9 -0.255 1.914 -0.228
H10 0.132 1.067 1.289

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41942.33612.89403.69891.08911.09651.09833.25942.5915
O21.41941.40292.39823.43552.01902.08742.08192.01452.0782
C32.33611.40291.48052.65433.24902.66062.59571.09151.0998
C42.89402.39821.48051.17393.87112.60883.28022.10232.1000
N53.69893.43552.65431.17394.63093.09414.11723.18383.1739
H61.08912.01903.24903.87114.63091.78321.78554.02433.5626
H71.09652.08742.66062.60883.09411.78321.78853.65713.0111
H81.09832.08192.59573.28024.11721.78551.78853.56082.3626
H93.25942.01451.09152.10233.18384.02433.65713.56081.7806
H102.59152.07821.09982.10003.17393.56263.01112.36261.7806

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.736 O2 C1 H6 106.450
O2 C1 H7 111.491 O2 C1 H8 110.925
O2 C3 C4 112.526 O2 C3 H9 107.071
O2 C3 H10 111.707 C3 C4 N5 178.707
C4 C3 H9 108.699 C4 C3 H10 108.042
H6 C1 H7 109.345 H6 C1 H8 109.423
H7 C1 H8 109.152 H9 C3 H10 108.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability