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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-285.721419
Energy at 298.15K-285.729222
HF Energy-284.828825
Nuclear repulsion energy215.545798
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/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' 3163 2987 21.09      
2 A' 3084 2912 12.72      
3 A' 3030 2862 39.50      
4 A' 3019 2851 25.57      
5 A' 2371 2239 1.95      
6 A' 1585 1497 1.99      
7 A' 1559 1472 3.26      
8 A' 1550 1464 4.15      
9 A' 1495 1411 10.72      
10 A' 1457 1376 15.25      
11 A' 1420 1341 69.09      
12 A' 1204 1137 173.90      
13 A' 1185 1119 20.41      
14 A' 1085 1024 17.19      
15 A' 978 924 12.43      
16 A' 927 875 4.02      
17 A' 555 525 0.98      
18 A' 431 407 1.15      
19 A' 302 285 2.33      
20 A' 133 126 3.29      
21 A" 3173 2996 21.10      
22 A" 3064 2894 14.57      
23 A" 3055 2885 60.91      
24 A" 1535 1449 5.45      
25 A" 1330 1256 1.95      
26 A" 1287 1215 3.25      
27 A" 1223 1155 6.94      
28 A" 1064 1005 1.82      
29 A" 847 800 0.39      
30 A" 360 340 2.02      
31 A" 262 247 0.46      
32 A" 112 106 7.17      
33 A" 77 72 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 23961.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 22626.5 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 CCSD/6-31G*
ABC
0.51099 0.04985 0.04662

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.931 2.543 0.000
C2 -1.243 1.059 0.000
O3 0.000 0.358 0.000
C4 -0.193 -1.038 0.000
C5 1.132 -1.689 0.000
N6 2.161 -2.238 0.000
H7 -1.859 3.127 0.000
H8 -0.349 2.806 0.889
H9 -0.349 2.806 -0.889
H10 -1.831 0.778 -0.890
H11 -1.831 0.778 0.890
H12 -0.750 -1.373 -0.890
H13 -0.750 -1.373 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51552.37473.65614.70835.69341.09641.09491.09492.17102.17104.01944.0194
C21.51551.42762.34613.63334.73952.15722.15442.15441.10291.10292.63662.6366
O32.37471.42761.40962.33983.37783.33512.62772.62772.07872.07872.08602.0860
C43.65612.34611.40961.47662.64214.48613.94893.94892.60312.60311.10241.1024
C54.70833.63332.33981.47661.16595.66984.81614.81613.95773.95772.10652.1065
N65.69344.73953.37782.64211.16596.70395.70365.70365.08205.08203.16513.1651
H71.09642.15723.33514.48615.66986.70391.78151.78152.51162.51164.71914.7191
H81.09492.15442.62773.94894.81615.70361.78151.77763.07782.51154.55974.1983
H91.09492.15442.62773.94894.81615.70361.78151.77762.51153.07784.19834.5597
H102.17101.10292.07872.60313.95775.08202.51163.07782.51151.78042.40742.9943
H112.17101.10292.07872.60313.95775.08202.51162.51153.07781.78042.99432.4074
H124.01942.63662.08601.10242.10653.16514.71914.55974.19832.40742.99431.7804
H134.01942.63662.08601.10242.10653.16514.71914.19834.55972.99432.40741.7804

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.545 C1 C2 H10 111.034
C1 C2 H11 111.034 C2 C1 H7 110.328
C2 C1 H8 110.194 C2 C1 H9 110.194
C2 O3 C4 111.565 O3 C2 H10 109.799
O3 C2 H11 109.799 O3 C4 C5 108.309
O3 C4 H12 111.708 O3 C4 H13 111.708
C4 C5 N6 178.121 C5 C4 H12 108.664
C5 C4 H13 108.664 H7 C1 H8 108.771
H7 C1 H9 108.771 H8 C1 H9 108.535
H10 C2 H11 107.634 H12 C4 H13 107.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability