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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP3=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-246.588313
Energy at 298.15K-246.593909
HF Energy-245.809229
Nuclear repulsion energy156.789120
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/cc-pVDZ
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' 3210 3018 17.72      
2 A' 3055 2872 37.00      
3 A' 3046 2865 30.50      
4 A' 2441 2296 0.68      
5 A' 1529 1437 3.12      
6 A' 1508 1418 7.30      
7 A' 1491 1402 0.18      
8 A' 1434 1349 56.54      
9 A' 1259 1184 96.01      
10 A' 1205 1133 78.37      
11 A' 1044 982 30.76      
12 A' 974 915 8.70      
13 A' 552 519 0.92      
14 A' 388 364 1.76      
15 A' 181 170 2.12      
16 A" 3114 2928 43.57      
17 A" 3094 2909 37.24      
18 A" 1496 1407 7.25      
19 A" 1279 1203 3.89      
20 A" 1195 1124 4.92      
21 A" 1046 984 2.91      
22 A" 369 347 1.43      
23 A" 227 213 4.17      
24 A" 86 81 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17609.8 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 16558.5 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 MP3=FULL/cc-pVDZ
ABC
0.97886 0.08207 0.07799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.131 -0.322 0.000
O2 -0.746 -0.599 0.000
C3 0.000 0.588 0.000
C4 1.440 0.248 0.000
N5 2.578 0.011 0.000
H6 -2.653 -1.288 0.000
H7 -2.431 0.251 0.899
H8 -2.431 0.251 -0.899
H9 -0.209 1.208 -0.894
H10 -0.209 1.208 0.894

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41252.31753.61664.72061.09801.10721.10722.61442.6144
O21.41251.40222.34453.37922.02782.09042.09042.08622.0862
C32.31751.40221.48022.64163.24962.61402.61401.10751.1075
C43.61662.34451.48021.16174.37203.97463.97462.10762.1076
N54.72063.37922.64161.16175.38965.09475.09473.16203.1620
H61.09802.02783.24964.37205.38961.79591.79593.60603.6060
H71.10722.09042.61403.97465.09471.79591.79723.01132.4197
H81.10722.09042.61403.97465.09471.79591.79722.41973.0113
H92.61442.08621.10752.10763.16203.60603.01132.41971.7877
H102.61442.08621.10752.10763.16203.60602.41973.01131.7877

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.842 O2 C1 H6 107.081
O2 C1 H7 111.550 O2 C1 H8 111.550
O2 C3 C4 108.826 O2 C3 H9 111.922
O2 C3 H10 111.922 C3 C4 N5 178.438
C4 C3 H9 108.210 C4 C3 H10 108.210
H6 C1 H7 109.050 H6 C1 H8 109.050
H7 C1 H8 108.503 H9 C3 H10 107.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-246.590866
Energy at 298.15K-246.596585
HF Energy-245.811086
Nuclear repulsion energy159.607077
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/cc-pVDZ
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 3212 3020 18.21      
2 A 3183 2993 6.17      
3 A 3131 2944 37.08      
4 A 3075 2892 29.41      
5 A 3057 2875 34.11      
6 A 2426 2281 1.09      
7 A 1519 1429 9.60      
8 A 1501 1412 1.98      
9 A 1497 1407 7.19      
10 A 1483 1394 0.97      
11 A 1412 1327 25.90      
12 A 1335 1255 11.65      
13 A 1253 1178 94.96      
14 A 1202 1131 41.00      
15 A 1192 1121 19.14      
16 A 1048 986 11.12      
17 A 991 932 25.56      
18 A 922 867 20.26      
19 A 606 570 1.71      
20 A 404 380 3.00      
21 A 362 341 0.85      
22 A 260 244 9.94      
23 A 178 167 3.47      
24 A 120 113 7.52      

Unscaled Zero Point Vibrational Energy (zpe) 17683.7 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 16628.0 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 MP3=FULL/cc-pVDZ
ABC
0.40247 0.11192 0.09482

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.561 -0.771 0.136
O2 1.085 0.431 -0.444
C3 -0.047 0.925 0.212
C4 -1.246 0.056 0.035
N5 -2.177 -0.629 -0.097
H6 2.466 -1.053 -0.417
H7 0.818 -1.585 0.056
H8 1.818 -0.627 1.203
H9 -0.272 1.912 -0.217
H10 0.121 1.048 1.299

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41672.33842.92843.74771.09801.10541.10693.26782.5955
O21.41671.39852.40953.44712.02782.09422.09002.02092.0853
C32.33841.39851.49202.65433.26002.66002.62091.09891.1068
C42.92842.40951.49201.16243.90112.63743.34992.11142.1102
N53.74773.44712.65431.16244.67333.14764.20093.17763.1685
H61.09802.02783.26003.90114.67331.79501.79674.04073.5868
H71.10542.09422.66002.63743.14761.79501.79893.67292.9950
H81.10692.09002.62093.34994.20091.79671.79893.58152.3867
H93.26782.02091.09892.11143.17764.04073.67293.58151.7883
H102.59552.08531.10682.11023.16853.58682.99502.38671.7883

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.321 O2 C1 H6 106.804
O2 C1 H7 111.672 O2 C1 H8 111.232
O2 C3 C4 112.899 O2 C3 H9 107.425
O2 C3 H10 112.162 C3 C4 N5 179.490
C4 C3 H9 108.204 C4 C3 H10 107.660
H6 C1 H7 109.113 H6 C1 H8 109.150
H7 C1 H8 108.810 H9 C3 H10 108.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability