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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCSD(T)=FULL/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)=FULL/TZVP
 hartrees
Energy at 0K-246.815455
Energy at 298.15K-246.820916
HF Energy-245.873158
Nuclear repulsion energy156.937137
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)=FULL/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 3027        
2 A' 3013 2880        
3 A' 3007 2874        
4 A' 2313 2211        
5 A' 1542 1475        
6 A' 1518 1451        
7 A' 1502 1436        
8 A' 1436 1373        
9 A' 1248 1193        
10 A' 1166 1114        
11 A' 1004 960        
12 A' 952 910        
13 A' 534 511        
14 A' 381 364        
15 A' 174 166        
16 A" 3069 2934        
17 A" 3046 2912        
18 A" 1498 1432        
19 A" 1268 1212        
20 A" 1197 1144        
21 A" 1039 993        
22 A" 334 319        
23 A" 221 211        
24 A" 63 60        

Unscaled Zero Point Vibrational Energy (zpe) 17343.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 16580.7 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)=FULL/TZVP
ABC
0.98016 0.08225 0.07814

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.132 -0.333 0.000
O2 -0.739 -0.612 0.000
C3 0.000 0.588 0.000
C4 1.435 0.264 0.000
N5 2.573 0.032 0.000
H6 -2.643 -1.294 0.000
H7 -2.422 0.233 0.894
H8 -2.422 0.233 -0.894
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
C11.42052.32243.61654.71911.08821.09721.09722.60612.6061
O21.42051.40912.34363.37402.02252.08422.08422.08022.0802
C32.32241.40911.47132.63253.24452.60562.60561.09861.0986
C43.61652.34361.47131.16134.36533.95903.95902.09502.0950
N54.71913.37402.63251.16135.38195.07805.07803.15123.1512
H61.08822.02253.24454.36535.38191.78321.78323.58733.5873
H71.09722.08422.60563.95905.07801.78321.78822.99432.4049
H81.09722.08422.60563.95905.07801.78321.78822.40492.9943
H92.60612.08021.09862.09503.15123.58732.99432.40491.7795
H102.60612.08021.09862.09503.15123.58732.40492.99431.7795

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.319 O2 C1 H6 106.701
O2 C1 H7 111.107 O2 C1 H8 111.107
O2 C3 C4 108.886 O2 C3 H9 111.499
O2 C3 H10 111.499 C3 C4 N5 178.759
C4 C3 H9 108.344 C4 C3 H10 108.344
H6 C1 H7 109.362 H6 C1 H8 109.362
H7 C1 H8 109.153 H9 C3 H10 108.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-246.818066
Energy at 298.15K-246.823735
HF Energy-245.874468
Nuclear repulsion energy159.994953
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)=FULL/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 3027        
2 A 3139 3001        
3 A 3086 2950        
4 A 3024 2891        
5 A 3016 2883        
6 A 2295 2194        
7 A 1531 1464        
8 A 1514 1447        
9 A 1504 1438        
10 A 1494 1428        
11 A 1414 1352        
12 A 1330 1272        
13 A 1237 1182        
14 A 1205 1152        
15 A 1164 1113        
16 A 1040 995        
17 A 951 910        
18 A 898 859        
19 A 596 570        
20 A 398 381        
21 A 340 325        
22 A 259 248        
23 A 181 173        
24 A 117 112        

Unscaled Zero Point Vibrational Energy (zpe) 17450.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 16682.2 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 CCSD(T)=FULL/TZVP
ABC
0.39084 0.11508 0.09604

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.520 -0.799 0.135
O2 1.101 0.442 -0.426
C3 -0.048 0.947 0.206
C4 -1.232 0.068 0.032
N5 -2.146 -0.639 -0.098
H6 2.464 -1.052 -0.343
H7 0.790 -1.592 -0.061
H8 1.671 -0.707 1.217
H9 -0.264 1.916 -0.243
H10 0.110 1.085 1.285

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42452.34792.88673.67621.08821.09511.09743.27042.6195
O21.42451.40592.40683.43752.02402.08962.08402.01732.0791
C32.34791.40591.48452.64653.25752.68692.59081.08991.0986
C42.88672.40681.48451.16223.88032.61733.22992.10452.0988
N53.67623.43752.64651.16224.63503.08664.03773.17623.1577
H61.08822.02403.25753.88034.63501.78201.78404.03253.5722
H71.09512.08962.68692.61733.08661.78201.78743.66723.0725
H81.09742.08402.59083.22994.03771.78401.78743.57142.3775
H93.27042.01731.08992.10453.17624.03253.66723.57141.7790
H102.61952.07911.09862.09883.15773.57223.07252.37751.7790

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.104 O2 C1 H6 106.550
O2 C1 H7 111.391 O2 C1 H8 110.794
O2 C3 C4 112.728 O2 C3 H9 107.173
O2 C3 H10 111.641 C3 C4 N5 178.861
C4 C3 H9 108.697 C4 C3 H10 107.754
H6 C1 H7 109.406 H6 C1 H8 109.426
H7 C1 H8 109.222 H9 C3 H10 108.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability