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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-246.873060
Energy at 298.15K-246.878660
HF Energy-245.879970
Nuclear repulsion energy157.801349
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3204 3041 11.94      
2 A' 3053 2898 47.24      
3 A' 3046 2892 19.15      
4 A' 2235 2122 6.26      
5 A' 1544 1465 6.49      
6 A' 1525 1448 4.84      
7 A' 1496 1421 0.26      
8 A' 1427 1355 33.99      
9 A' 1241 1179 59.14      
10 A' 1185 1125 112.87      
11 A' 1020 969 30.33      
12 A' 969 920 7.05      
13 A' 546 518 1.12      
14 A' 380 360 1.90      
15 A' 179 170 2.32      
16 A" 3111 2953 35.28      
17 A" 3074 2918 21.46      
18 A" 1522 1445 8.55      
19 A" 1283 1219 3.42      
20 A" 1199 1138 3.74      
21 A" 1046 993 2.00      
22 A" 366 347 1.35      
23 A" 233 221 3.62      
24 A" 93 88 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 17487.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16602.2 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=FULL/cc-pVTZ
ABC
0.99671 0.08315 0.07902

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.118 -0.328 0.000
O2 -0.736 -0.611 0.000
C3 0.000 0.580 0.000
C4 1.421 0.259 0.000
N5 2.564 0.036 0.000
H6 -2.636 -1.277 0.000
H7 -2.404 0.238 0.887
H8 -2.404 0.238 -0.887
H9 -0.220 1.185 -0.882
H10 -0.220 1.185 0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41102.30413.58664.69631.08121.09011.09012.58252.5825
O21.41101.39992.32503.36272.01342.07152.07152.06662.0666
C32.30411.39991.45632.62163.22412.58502.58501.09211.0921
C43.58662.32501.45631.16564.33723.92603.92602.08012.0801
N54.69633.36272.62161.16565.36325.05105.05103.13893.1389
H61.08122.01343.22414.33725.36321.77061.77063.56033.5603
H71.09012.07152.58503.92605.05101.77061.77322.96572.3806
H81.09012.07152.58503.92605.05101.77061.77322.38062.9657
H92.58252.06661.09212.08013.13893.56032.96572.38061.7641
H102.58252.06661.09212.08013.13893.56032.38062.96571.7641

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.110 O2 C1 H6 107.037
O2 C1 H7 111.191 O2 C1 H8 111.191
O2 C3 C4 108.965 O2 C3 H9 111.456
O2 C3 H10 111.456 C3 C4 N5 178.321
C4 C3 H9 108.576 C4 C3 H10 108.576
H6 C1 H7 109.265 H6 C1 H8 109.265
H7 C1 H8 108.847 H9 C3 H10 107.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-246.875530
Energy at 298.15K-246.881229
HF Energy-245.881312
Nuclear repulsion energy160.901380
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3204 3042 12.48      
2 A 3165 3005 2.91      
3 A 3126 2967 25.89      
4 A 3061 2906 34.30      
5 A 3059 2904 23.60      
6 A 2217 2105 6.47      
7 A 1541 1463 9.20      
8 A 1524 1447 8.12      
9 A 1505 1429 4.37      
10 A 1495 1419 0.85      
11 A 1405 1334 14.21      
12 A 1331 1264 6.65      
13 A 1236 1173 48.90      
14 A 1200 1139 9.91      
15 A 1180 1121 88.36      
16 A 1040 987 7.62      
17 A 970 921 29.70      
18 A 920 874 14.00      
19 A 602 571 1.91      
20 A 394 374 2.81      
21 A 356 338 1.03      
22 A 260 247 9.69      
23 A 179 170 3.94      
24 A 117 111 8.06      

Unscaled Zero Point Vibrational Energy (zpe) 17541.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16654.1 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/cc-pVTZ
ABC
0.39745 0.11605 0.09723

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.536 -0.770 0.138
O2 1.072 0.425 -0.445
C3 -0.045 0.925 0.211
C4 -1.228 0.065 0.040
N5 -2.147 -0.631 -0.099
H6 2.426 -1.057 -0.405
H7 0.797 -1.566 0.060
H8 1.788 -0.623 1.189
H9 -0.266 1.900 -0.208
H10 0.124 1.037 1.284

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.40912.31952.88923.69381.08111.08931.09023.23992.5642
O21.40911.38822.37803.40552.00812.07302.06902.00502.0646
C32.31951.38821.47302.63393.22702.63422.59091.08341.0918
C42.88922.37801.47301.16103.84812.60013.29982.08662.0781
N53.69383.40552.63391.16104.60333.09334.14083.15493.1385
H61.08112.00813.22703.84814.60331.76911.77044.00353.5410
H71.08932.07302.63422.60013.09331.76911.77403.63522.9546
H81.09022.06902.59093.29984.14081.77041.77403.54022.3529
H93.23992.00501.08342.08663.15494.00353.63523.54021.7664
H102.56422.06461.09182.07813.13853.54102.95462.35291.7664

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.028 O2 C1 H6 106.753
O2 C1 H7 111.506 O2 C1 H8 111.117
O2 C3 C4 112.395 O2 C3 H9 107.795
O2 C3 H10 112.165 C3 C4 N5 178.908
C4 C3 H9 108.464 C4 C3 H10 107.312
H6 C1 H7 109.194 H6 C1 H8 109.248
H7 C1 H8 108.966 H9 C3 H10 108.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability