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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-286.442696
Energy at 298.15K-286.450491
HF Energy-286.442696
Nuclear repulsion energy216.871738
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 B1B95/6-31G*
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' 3180 3018 18.50      
2 A' 3096 2939 12.34      
3 A' 3017 2864 64.57      
4 A' 3011 2858 12.08      
5 A' 2419 2296 0.56      
6 A' 1561 1482 3.43      
7 A' 1530 1453 0.99      
8 A' 1525 1448 7.78      
9 A' 1471 1397 10.41      
10 A' 1429 1357 19.72      
11 A' 1399 1328 64.33      
12 A' 1206 1145 209.04      
13 A' 1169 1110 20.76      
14 A' 1079 1025 17.83      
15 A' 972 923 7.23      
16 A' 921 874 4.07      
17 A' 563 535 1.09      
18 A' 424 402 1.13      
19 A' 301 286 2.25      
20 A' 133 126 3.28      
21 A" 3185 3024 19.38      
22 A" 3051 2896 17.50      
23 A" 3042 2887 65.36      
24 A" 1512 1435 6.41      
25 A" 1318 1251 2.72      
26 A" 1275 1210 3.80      
27 A" 1201 1140 7.23      
28 A" 1045 992 0.85      
29 A" 832 790 0.89      
30 A" 384 364 1.80      
31 A" 249 236 0.35      
32 A" 116 110 6.50      
33 A" 79 75 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23846.8 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 22637.8 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 B1B95/6-31G*
ABC
0.52633 0.05023 0.04706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.955 2.525 0.000
C2 -1.238 1.043 0.000
O3 0.000 0.360 0.000
C4 -0.172 -1.025 0.000
C5 1.139 -1.677 0.000
N6 2.160 -2.219 0.000
H7 -1.891 3.088 0.000
H8 -0.381 2.803 0.885
H9 -0.381 2.803 -0.885
H10 -1.823 0.755 -0.886
H11 -1.823 0.755 0.886
H12 -0.729 -1.368 -0.885
H13 -0.729 -1.368 0.885

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.50872.36643.63544.69425.67521.09201.09131.09132.16122.16123.99833.9983
C21.50871.41392.32663.61154.71002.14722.14882.14881.10041.10042.61792.6179
O32.36641.41391.39572.33303.36383.31962.62652.62652.06552.06552.07372.0737
C43.63542.32661.39571.46372.61954.45823.93493.93492.58492.58491.10071.1007
C54.69423.61152.33301.46371.15615.64634.81244.81243.93343.93342.09012.0901
N65.67524.71003.36382.61951.15616.67655.69755.69755.04935.04933.13913.1391
H71.09202.14723.31964.45825.64636.67651.77321.77322.49692.49694.68944.6894
H81.09132.14882.62653.93494.81245.69751.77321.77023.06812.50524.54454.1855
H91.09132.14882.62653.93494.81245.69751.77321.77022.50523.06814.18554.5445
H102.16121.10042.06552.58493.93345.04932.49693.06812.50521.77242.38822.9735
H112.16121.10042.06552.58493.93345.04932.49692.50523.06811.77242.97352.3882
H123.99832.61792.07371.10072.09013.13914.68944.54454.18552.38822.97351.7707
H133.99832.61792.07371.10072.09013.13914.68944.18554.54452.97352.38821.7707

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.088 C1 C2 H10 110.887
C1 C2 H11 110.887 C2 C1 H7 110.281
C2 C1 H8 110.440 C2 C1 H9 110.440
C2 O3 C4 111.804 O3 C2 H10 109.846
O3 C2 H11 109.846 O3 C4 C5 109.336
O3 C4 H12 111.790 O3 C4 H13 111.790
C4 C5 N6 178.412 C5 C4 H12 108.353
C5 C4 H13 108.353 H7 C1 H8 108.615
H7 C1 H9 108.615 H8 C1 H9 108.393
H10 C2 H11 107.290 H12 C4 H13 107.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability