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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: G3MP2

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 G3MP2
 hartrees
Energy at 0K-246.896911
Energy at 298.15K-246.890220
Nuclear repulsion energy 
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 HF/6-31G*
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' 3332 3139 30.38      
2 A' 3205 3019 36.70      
3 A' 3188 3003 40.28      
4 A' 2631 2479 2.29      
5 A' 1668 1571 1.11      
6 A' 1651 1555 5.93      
7 A' 1633 1539 0.37      
8 A' 1567 1477 74.00      
9 A' 1369 1290 102.46      
10 A' 1286 1211 142.58      
11 A' 1103 1040 44.32      
12 A' 1015 957 13.65      
13 A' 596 562 2.94      
14 A' 408 385 3.55      
15 A' 199 188 3.12      
16 A" 3243 3055 74.35      
17 A" 3240 3053 27.16      
18 A" 1645 1550 6.02      
19 A" 1395 1314 4.30      
20 A" 1298 1223 6.83      
21 A" 1145 1079 3.65      
22 A" 420 396 3.96      
23 A" 234 221 6.18      
24 A" 92 87 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18780.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 17695.3 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*
ABC
0.96918 0.08211 0.07793

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.134 -0.338 0.000
O2 -0.737 -0.605 0.000
C3 0.000 0.598 0.000
C4 1.427 0.260 0.000
N5 2.582 0.023 0.000
H6 -2.629 -1.308 0.000
H7 -2.432 0.225 0.894
H8 -2.432 0.225 -0.894
H9 -0.223 1.209 -0.888
H10 -0.223 1.209 0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42132.32993.61084.72941.08891.09771.09772.61432.6143
O21.42131.41082.33103.37842.01802.08762.08762.08412.0841
C32.32991.41081.46692.64533.24722.61762.61761.10081.1008
C43.61082.33101.46691.17874.34873.96153.96152.10052.1005
N54.72943.37842.64531.17875.37835.09705.09703.17193.1719
H61.08892.01803.24724.34875.37831.78541.78543.59373.5937
H71.09772.08762.61763.96155.09701.78541.78723.00402.4185
H81.09772.08762.61763.96155.09701.78541.78722.41853.0040
H92.61432.08411.10082.10053.17193.59373.00402.41851.7765
H102.61432.08411.10082.10053.17193.59372.41853.00401.7765

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at G3MP2
 hartrees
Energy at 0K-246.896911
Energy at 298.15K-246.903105
HF Energy-245.794982
Nuclear repulsion energy161.029821
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 HF/6-31G*
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 3332 3140 32.08      
2 A 3312 3121 11.33      
3 A 3262 3074 50.89      
4 A 3222 3036 32.88      
5 A 3198 3013 40.62      
6 A 2617 2465 1.00      
7 A 1658 1562 8.68      
8 A 1647 1552 4.07      
9 A 1645 1550 2.30      
10 A 1628 1534 0.55      
11 A 1540 1451 32.90      
12 A 1446 1362 14.84      
13 A 1362 1283 111.38      
14 A 1301 1225 22.07      
15 A 1287 1213 86.73      
16 A 1146 1080 9.66      
17 A 1041 981 39.36      
18 A 960 904 38.76      
19 A 650 612 1.48      
20 A 424 399 2.30      
21 A 408 385 3.40      
22 A 282 266 16.48      
23 A 185 175 3.64      
24 A 119 112 10.12      

Unscaled Zero Point Vibrational Energy (zpe) 18836.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 17747.3 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*
ABC
0.39160 0.11398 0.09565

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.538 -0.789 0.141
O2 1.087 0.430 -0.444
C3 -0.050 0.943 0.212
C4 -1.231 0.073 0.040
N5 -2.158 -0.643 -0.100
H6 2.444 -1.064 -0.397
H7 0.792 -1.584 0.032
H8 1.769 -0.652 1.205
H9 -0.256 1.920 -0.233
H10 0.130 1.080 1.288

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42532.35102.90163.70631.08891.09571.09743.27002.6062
O21.42531.40892.39473.43492.01912.09102.08642.01622.0826
C32.35101.40891.47762.65673.25882.67052.61511.09221.0998
C42.90162.39471.47761.17923.87162.61523.29872.10692.1037
N53.70633.43492.65671.17924.63073.09934.13773.19483.1826
H61.08892.01913.25883.87164.63071.78441.78614.02703.5764
H71.09572.09102.67052.61523.09931.78441.78853.66713.0193
H81.09742.08642.61513.29874.13771.78611.78853.57442.3859
H93.27002.01621.09222.10693.19484.02703.66713.57441.7793
H102.60622.08261.09982.10373.18263.57643.01932.38591.7793

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 115.281 O2 C1 H6 106.798
O2 C1 H7 111.389 O2 C1 H8 110.932
O2 C3 C4 112.742 O2 C3 H9 107.597
O2 C3 H10 111.991 C3 C4 N5 179.445
C4 C3 H9 108.111 C4 C3 H10 107.825
H6 C1 H7 109.231 H6 C1 H8 109.243
H7 C1 H8 109.191 H9 C3 H10 108.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability