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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCSD(T)/aug-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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-246.670283
Energy at 298.15K-246.675742
HF Energy-245.819942
Nuclear repulsion energy155.361681
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)/aug-cc-pVDZ
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' 3145 3027        
2 A' 2988 2876        
3 A' 2983 2871        
4 A' 2261 2176        
5 A' 1489 1433        
6 A' 1475 1420        
7 A' 1451 1396        
8 A' 1386 1334        
9 A' 1209 1163        
10 A' 1134 1092        
11 A' 981 944        
12 A' 940 904        
13 A' 523 503        
14 A' 373 359        
15 A' 172 165        
16 A" 3049 2935        
17 A" 3027 2913        
18 A" 1472 1416        
19 A" 1242 1195        
20 A" 1161 1118        
21 A" 1018 979        
22 A" 342 330        
23 A" 217 209        
24 A" 81 78        

Unscaled Zero Point Vibrational Energy (zpe) 17058.3 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 16418.6 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)/aug-cc-pVDZ
ABC
0.96257 0.08062 0.07661

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.153 -0.327 0.000
O2 -0.749 -0.614 0.000
C3 0.000 0.593 0.000
C4 1.448 0.256 0.000
N5 2.602 0.025 0.000
H6 -2.672 -1.298 0.000
H7 -2.441 0.247 0.905
H8 -2.441 0.247 -0.905
H9 -0.219 1.205 -0.900
H10 -0.219 1.205 0.900

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.43402.34193.64794.76881.10041.10941.10942.62662.6266
O21.43401.42082.36233.41132.04102.10352.10352.09802.0980
C32.34191.42081.48632.66373.27322.62602.62601.11041.1104
C43.64792.36231.48631.17774.40263.99223.99222.11902.1190
N54.76883.41132.66371.17775.43735.12855.12853.18853.1885
H61.10042.04103.27324.40265.43731.80511.80513.61793.6179
H71.10942.10352.62603.99225.12851.80511.80943.01832.4193
H81.10942.10352.62603.99225.12851.80511.80942.41933.0183
H92.62662.09801.11042.11903.18853.61793.01832.41931.8002
H102.62662.09801.11042.11903.18853.61792.41933.01831.8002

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.237 O2 C1 H6 106.540
O2 C1 H7 110.946 O2 C1 H8 110.946
O2 C3 C4 108.684 O2 C3 H9 111.373
O2 C3 H10 111.373 C3 C4 N5 178.219
C4 C3 H9 108.511 C4 C3 H10 108.511
H6 C1 H7 109.548 H6 C1 H8 109.548
H7 C1 H8 109.267 H9 C3 H10 108.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-246.672737
Energy at 298.15K-246.678315
HF Energy-245.821395
Nuclear repulsion energy158.317694
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)/aug-cc-pVDZ
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 3147 3029        
2 A 3117 3000        
3 A 3067 2952        
4 A 3007 2894        
5 A 2994 2882        
6 A 2244 2160        
7 A 1486 1430        
8 A 1473 1418        
9 A 1461 1406        
10 A 1449 1394        
11 A 1364 1313        
12 A 1293 1245        
13 A 1201 1156        
14 A 1162 1119        
15 A 1132 1089        
16 A 1015 977        
17 A 930 895        
18 A 885 851        
19 A 578 556        
20 A 387 373        
21 A 337 324        
22 A 249 239        
23 A 172 165        
24 A 111 107        

Unscaled Zero Point Vibrational Energy (zpe) 17129.0 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 16486.7 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)/aug-cc-pVDZ
ABC
0.38690 0.11182 0.09390

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.549 -0.798 0.139
O2 1.102 0.439 -0.442
C3 -0.046 0.948 0.214
C4 -1.247 0.068 0.034
N5 -2.178 -0.642 -0.099
H6 2.465 -1.081 -0.401
H7 0.787 -1.592 0.021
H8 1.778 -0.662 1.216
H9 -0.262 1.934 -0.229
H10 0.126 1.071 1.303

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.43822.36642.92963.73841.10031.10741.10893.29862.6215
O21.43821.41722.42593.47102.04182.10722.10202.03522.0972
C32.36641.41721.49972.67813.28652.68032.63141.10211.1097
C42.92962.42591.49971.17863.91052.62573.32882.12652.1215
N53.73843.47102.67811.17864.67383.11574.16893.21353.1953
H61.10032.04183.28653.91054.67381.80481.80614.06893.6062
H71.10742.10722.68032.62573.11571.80481.80963.68753.0284
H81.10892.10202.63143.32884.16891.80611.80963.60392.3957
H93.29862.03521.10212.12653.21354.06893.68753.60391.8006
H102.62152.09721.10972.12153.19533.60623.02842.39571.8006

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.946 O2 C1 H6 106.329
O2 C1 H7 111.078 O2 C1 H8 110.568
O2 C3 C4 112.512 O2 C3 H9 107.111
O2 C3 H10 111.615 C3 C4 N5 178.829
C4 C3 H9 108.675 C4 C3 H10 107.851
H6 C1 H7 109.667 H6 C1 H8 109.678
H7 C1 H8 109.471 H9 C3 H10 108.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability