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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

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 yes CS 1A'
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-286.053300
Energy at 298.15K-286.060964
HF Energy-284.925548
Nuclear repulsion energy215.908645
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' 3137 2999        
2 A' 3057 2923        
3 A' 3012 2879        
4 A' 2997 2865        
5 A' 2312 2210        
6 A' 1552 1483        
7 A' 1523 1456        
8 A' 1518 1451        
9 A' 1469 1404        
10 A' 1431 1368        
11 A' 1410 1348        
12 A' 1171 1119        
13 A' 1162 1111        
14 A' 1061 1014        
15 A' 958 916        
16 A' 909 869        
17 A' 546 522        
18 A' 424 405        
19 A' 296 283        
20 A' 131 125        
21 A" 3147 3009        
22 A" 3047 2913        
23 A" 3034 2901        
24 A" 1495 1429        
25 A" 1310 1252        
26 A" 1267 1211        
27 A" 1203 1150        
28 A" 1039 993        
29 A" 835 798        
30 A" 332 317        
31 A" 246 235        
32 A" 104 99        
33 A" 46 44        

Unscaled Zero Point Vibrational Energy (zpe) 23588.2 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 22550.3 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 CCSD(T)=FULL/TZVP
ABC
0.52577 0.04973 0.04663

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 -1.064 2.498 0.000
C2 -1.280 0.998 0.000
O3 0.000 0.368 0.000
C4 -0.137 -1.035 0.000
C5 1.203 -1.645 0.000
N6 2.249 -2.150 0.000
H7 -2.028 3.012 0.000
H8 -0.506 2.801 0.887
H9 -0.506 2.801 -0.887
H10 -1.844 0.685 -0.890
H11 -1.844 0.685 0.890
H12 -0.676 -1.388 -0.890
H13 -0.676 -1.388 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51502.38123.65254.72225.70751.09281.09131.09132.16472.16474.00494.0049
C21.51501.42662.33253.62604.72862.14832.15282.15281.09931.09932.61692.6169
O32.38121.42661.40912.34433.37553.33262.63872.63872.07202.07202.08062.0806
C43.65252.33251.40911.47182.63304.46713.95403.95402.58192.58191.09851.0985
C54.72223.62602.34431.47181.16145.66784.84414.84413.93763.93762.09482.0948
N65.70754.72863.37552.63301.16146.70345.73415.73415.05775.05773.15063.1506
H71.09282.14833.33264.46715.66786.70341.77501.77502.49782.49784.68784.6878
H81.09132.15282.63873.95404.84415.73411.77501.77493.06992.50314.55274.1916
H91.09132.15282.63873.95404.84415.73411.77501.77492.50313.06994.19164.5527
H102.16471.09932.07202.58193.93765.05772.49783.06992.50311.77972.37932.9711
H112.16471.09932.07202.58193.93765.05772.49782.50313.06991.77972.97112.3793
H124.00492.61692.08061.09852.09483.15064.68784.55274.19162.37932.97111.7792
H134.00492.61692.08061.09852.09483.15064.68784.19164.55272.97112.37931.7792

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.058 C1 C2 H10 110.789
C1 C2 H11 110.789 C2 C1 H7 109.876
C2 C1 H8 110.323 C2 C1 H9 110.323
C2 O3 C4 110.679 O3 C2 H10 109.551
O3 C2 H11 109.551 O3 C4 C5 108.910
O3 C4 H12 111.539 O3 C4 H13 111.539
C4 C5 N6 178.683 C5 C4 H12 108.296
C5 C4 H13 108.296 H7 C1 H8 108.726
H7 C1 H9 108.726 H8 C1 H9 108.824
H10 C2 H11 108.091 H12 C4 H13 108.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability