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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCSD(T)/TZVP

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 CCSD(T)/TZVP
 hartrees
Energy at 0K-246.726298
Energy at 298.15K-246.731743
HF Energy-245.872893
Nuclear repulsion energy156.800874
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 CCSD(T)/TZVP
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' 3167 3048        
2 A' 3014 2901        
3 A' 3008 2895        
4 A' 2309 2223        
5 A' 1541 1483        
6 A' 1517 1461        
7 A' 1501 1445        
8 A' 1435 1381        
9 A' 1246 1200        
10 A' 1163 1119        
11 A' 1002 964        
12 A' 950 914        
13 A' 532 512        
14 A' 380 365        
15 A' 173 166        
16 A" 3070 2955        
17 A" 3046 2932        
18 A" 1497 1441        
19 A" 1265 1218        
20 A" 1195 1150        
21 A" 1038 999        
22 A" 330 317        
23 A" 219 211        
24 A" 61 59        

Unscaled Zero Point Vibrational Energy (zpe) 17327.8 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 16678.0 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 CCSD(T)/TZVP
ABC
0.97949 0.08208 0.07799

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.134 -0.334 0.000
O2 -0.740 -0.613 0.000
C3 0.000 0.588 0.000
C4 1.436 0.263 0.000
N5 2.576 0.034 0.000
H6 -2.645 -1.296 0.000
H7 -2.424 0.232 0.895
H8 -2.424 0.232 -0.895
H9 -0.217 1.195 -0.890
H10 -0.217 1.195 0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42182.32483.62014.72401.08891.09791.09792.60882.6088
O21.42181.41042.34593.37782.02402.08572.08572.08182.0818
C32.32481.41041.47272.63473.24742.60812.60811.09931.0993
C43.62012.34591.47271.16214.36923.96273.96272.09662.0966
N54.72403.37782.63471.16215.38735.08285.08283.15313.1531
H61.08892.02403.24744.36925.38731.78441.78443.59053.5905
H71.09792.08572.60813.96275.08281.78441.78972.99732.4076
H81.09792.08572.60813.96275.08281.78441.78972.40762.9973
H92.60882.08181.09932.09663.15313.59052.99732.40761.7809
H102.60882.08181.09932.09663.15313.59052.40762.99731.7809

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.344 O2 C1 H6 106.697
O2 C1 H7 111.090 O2 C1 H8 111.090
O2 C3 C4 108.896 O2 C3 H9 111.495
O2 C3 H10 111.495 C3 C4 N5 178.661
C4 C3 H9 108.328 C4 C3 H10 108.328
H6 C1 H7 109.365 H6 C1 H8 109.365
H7 C1 H8 109.183 H9 C3 H10 108.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-246.728921
Energy at 298.15K-246.734583
HF Energy-245.874189
Nuclear repulsion energy159.891452
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 CCSD(T)/TZVP
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 3166 3048        
2 A 3140 3022        
3 A 3086 2971        
4 A 3024 2911        
5 A 3017 2904        
6 A 2291 2205        
7 A 1530 1473        
8 A 1513 1456        
9 A 1503 1447        
10 A 1493 1437        
11 A 1413 1360        
12 A 1329 1279        
13 A 1235 1189        
14 A 1204 1159        
15 A 1161 1118        
16 A 1039 1001        
17 A 950 914        
18 A 897 863        
19 A 595 572        
20 A 398 383        
21 A 338 325        
22 A 258 249        
23 A 180 174        
24 A 117 112        

Unscaled Zero Point Vibrational Energy (zpe) 17438.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 16784.6 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 CCSD(T)/TZVP
ABC
0.38987 0.11502 0.09595

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.520 -0.801 0.135
O2 1.102 0.442 -0.426
C3 -0.048 0.948 0.207
C4 -1.233 0.069 0.032
N5 -2.146 -0.640 -0.098
H6 2.468 -1.051 -0.339
H7 0.791 -1.594 -0.064
H8 1.667 -0.708 1.219
H9 -0.263 1.918 -0.244
H10 0.110 1.086 1.286

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42562.34962.88843.67631.08901.09581.09813.27262.6209
O21.42561.40692.40833.43872.02522.09112.08532.01862.0805
C32.34961.40691.48572.64853.25932.69082.59011.09061.0993
C42.88842.40831.48571.16303.88412.62123.22812.10612.1001
N53.67633.43872.64851.16304.63803.08804.03423.17943.1596
H61.08902.02523.25933.88414.63801.78391.78504.03473.5724
H71.09582.09112.69082.62123.08801.78391.78873.67123.0771
H81.09812.08532.59013.22814.03421.78501.78873.57202.3760
H93.27262.01861.09062.10613.17944.03473.67123.57201.7805
H102.62092.08051.09932.10013.15963.57243.07712.37601.7805

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.092 O2 C1 H6 106.525
O2 C1 H7 111.394 O2 C1 H8 110.766
O2 C3 C4 112.704 O2 C3 H9 107.173
O2 C3 H10 111.646 C3 C4 N5 178.716
C4 C3 H9 108.701 C4 C3 H10 107.732
H6 C1 H7 109.473 H6 C1 H8 109.401
H7 C1 H8 109.229 H9 C3 H10 108.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability