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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-286.486324
Energy at 298.15K-286.494110
HF Energy-286.486324
Nuclear repulsion energy216.537818
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 B3PW91/6-31G(2df,p)
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 3023 16.37      
2 A' 3059 2941 12.13      
3 A' 2976 2861 58.45      
4 A' 2968 2854 16.71      
5 A' 2380 2289 0.67      
6 A' 1525 1466 5.21      
7 A' 1494 1436 0.53      
8 A' 1487 1430 7.70      
9 A' 1444 1388 8.36      
10 A' 1398 1344 15.80      
11 A' 1374 1321 53.96      
12 A' 1181 1135 209.31      
13 A' 1149 1105 19.28      
14 A' 1061 1020 15.91      
15 A' 959 922 5.12      
16 A' 906 871 3.97      
17 A' 562 541 1.30      
18 A' 422 405 1.05      
19 A' 303 292 2.44      
20 A' 133 128 3.39      
21 A" 3148 3026 17.72      
22 A" 3006 2890 11.17      
23 A" 2998 2882 61.47      
24 A" 1476 1419 5.56      
25 A" 1298 1248 2.75      
26 A" 1253 1205 3.92      
27 A" 1184 1138 6.08      
28 A" 1029 989 0.60      
29 A" 820 788 0.97      
30 A" 388 373 1.96      
31 A" 241 231 0.24      
32 A" 115 110 5.70      
33 A" 78 75 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 23478.7 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 22572.5 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 B3PW91/6-31G(2df,p)
ABC
0.52709 0.05000 0.04688

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.962 2.531 0.000
C2 -1.239 1.043 0.000
O3 0.000 0.359 0.000
C4 -0.167 -1.027 0.000
C5 1.144 -1.678 0.000
N6 2.162 -2.223 0.000
H7 -1.902 3.089 0.000
H8 -0.389 2.814 0.887
H9 -0.389 2.814 -0.887
H10 -1.828 0.755 -0.887
H11 -1.828 0.755 0.887
H12 -0.726 -1.375 -0.886
H13 -0.726 -1.375 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51312.37513.64594.70645.68871.09371.09321.09322.16572.16574.01204.0120
C21.51311.41542.33173.61734.71582.15052.15552.15551.10311.10312.62632.6263
O32.37511.41541.39682.33663.36813.32732.63912.63912.06992.06992.07832.0783
C43.64592.33171.39681.46372.61834.46723.94913.94912.59262.59261.10371.1037
C54.70643.61732.33661.46371.15495.65744.82894.82893.94183.94182.09102.0910
N65.68874.71583.36812.61831.15496.68895.71595.71595.05725.05723.13743.1374
H71.09372.15053.32734.46725.65746.68891.77571.77572.49812.49814.70084.7008
H81.09322.15552.63913.94914.82895.71591.77571.77323.07552.51244.56154.2029
H91.09322.15552.63913.94914.82895.71591.77571.77322.51243.07554.20294.5615
H102.16571.10312.06992.59263.94185.05722.49813.07552.51241.77472.39822.9829
H112.16571.10312.06992.59263.94185.05722.49812.51243.07551.77472.98292.3982
H124.01202.62632.07831.10372.09103.13744.70084.56154.20292.39822.98291.7728
H134.01202.62632.07831.10372.09103.13744.70084.20294.56152.98292.39821.7728

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.348 C1 C2 H10 110.772
C1 C2 H11 110.772 C2 C1 H7 110.133
C2 C1 H8 110.554 C2 C1 H9 110.554
C2 O3 C4 112.023 O3 C2 H10 109.925
O3 C2 H11 109.925 O3 C4 C5 109.515
O3 C4 H12 111.910 O3 C4 H13 111.910
C4 C5 N6 178.223 C5 C4 H12 108.249
C5 C4 H13 108.249 H7 C1 H8 108.578
H7 C1 H9 108.578 H8 C1 H9 108.382
H10 C2 H11 107.100 H12 C4 H13 106.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability