return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-286.614966
Energy at 298.15K-286.622703
HF Energy-286.614966
Nuclear repulsion energy215.228739
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 B3LYPultrafine/aug-cc-pVDZ
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' 3118 3026 20.18      
2 A' 3044 2954 14.52      
3 A' 2980 2892 68.31      
4 A' 2973 2885 15.96      
5 A' 2356 2287 0.66      
6 A' 1501 1456 4.39      
7 A' 1474 1430 2.24      
8 A' 1468 1425 4.43      
9 A' 1426 1384 8.67      
10 A' 1388 1347 10.87      
11 A' 1356 1316 46.00      
12 A' 1141 1107 135.00      
13 A' 1136 1102 101.56      
14 A' 1043 1012 18.54      
15 A' 952 924 6.67      
16 A' 893 866 6.69      
17 A' 550 534 0.98      
18 A' 418 406 1.11      
19 A' 297 289 2.30      
20 A' 132 128 3.53      
21 A" 3126 3034 22.68      
22 A" 3011 2922 10.98      
23 A" 3005 2916 53.40      
24 A" 1457 1414 6.44      
25 A" 1287 1249 2.34      
26 A" 1241 1204 3.17      
27 A" 1170 1135 5.45      
28 A" 1016 986 0.98      
29 A" 819 794 0.59      
30 A" 364 353 1.58      
31 A" 242 235 0.20      
32 A" 112 109 6.68      
33 A" 77 75 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23286.5 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 22597.2 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.52217 0.04933 0.04627

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.976 2.544 0.000
C2 -1.252 1.052 0.000
O3 0.000 0.361 0.000
C4 -0.164 -1.040 0.000
C5 1.156 -1.686 0.000
N6 2.180 -2.231 0.000
H7 -1.925 3.098 0.000
H8 -0.404 2.832 0.891
H9 -0.404 2.832 -0.891
H10 -1.834 0.758 -0.893
H11 -1.834 0.758 0.893
H12 -0.720 -1.382 -0.893
H13 -0.720 -1.382 0.893

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51692.39133.67494.73725.72371.09881.09771.09772.17312.17314.03384.0338
C21.51691.43062.35863.64714.74992.15302.16352.16351.10541.10542.64652.6465
O32.39131.43061.41062.35113.38683.34602.65762.65762.07792.07792.08622.0862
C43.67492.35861.41061.46982.62924.49693.98043.98042.61132.61131.10591.1059
C54.73723.64712.35111.46981.15985.69034.86214.86213.96373.96372.10022.1002
N65.72374.74993.38682.62921.15986.72655.75345.75345.08355.08353.15133.1513
H71.09882.15303.34604.49695.69036.72651.78321.78322.50582.50584.72354.7235
H81.09772.16352.65763.98044.86215.75341.78321.78283.08692.51894.58644.2252
H91.09772.16352.65763.98044.86215.75341.78321.78282.51893.08694.22524.5864
H102.17311.10542.07792.61133.96375.08352.50583.08692.51891.78592.41193.0010
H112.17311.10542.07792.61133.96375.08352.50582.51893.08691.78593.00102.4119
H124.03382.64652.08621.10592.10023.15134.72354.58644.22522.41193.00101.7855
H134.03382.64652.08621.10592.10023.15134.72354.22524.58643.00102.41191.7855

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.407 C1 C2 H10 110.955
C1 C2 H11 110.955 C2 C1 H7 109.760
C2 C1 H8 110.659 C2 C1 H9 110.659
C2 O3 C4 112.227 O3 C2 H10 109.370
O3 C2 H11 109.370 O3 C4 C5 109.404
O3 C4 H12 111.416 O3 C4 H13 111.416
C4 C5 N6 178.068 C5 C4 H12 108.426
C5 C4 H13 108.426 H7 C1 H8 108.554
H7 C1 H9 108.554 H8 C1 H9 108.598
H10 C2 H11 107.763 H12 C4 H13 107.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability