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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-284.894944
Energy at 298.15K-284.902627
HF Energy-284.894944
Nuclear repulsion energy211.847168
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 BLYP/3-21G
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' 3056 3040 20.27      
2 A' 2993 2977 11.71      
3 A' 2908 2892 56.88      
4 A' 2895 2879 18.16      
5 A' 2261 2249 0.83      
6 A' 1551 1543 2.63      
7 A' 1534 1526 3.56      
8 A' 1522 1514 9.13      
9 A' 1422 1414 7.99      
10 A' 1411 1403 3.42      
11 A' 1335 1327 59.90      
12 A' 1116 1110 23.11      
13 A' 1006 1000 119.81      
14 A' 956 951 21.29      
15 A' 918 913 9.41      
16 A' 837 833 7.36      
17 A' 569 566 0.68      
18 A' 397 395 1.13      
19 A' 296 294 1.36      
20 A' 126 126 1.81      
21 A" 3066 3049 23.60      
22 A" 2932 2916 52.61      
23 A" 2910 2894 40.38      
24 A" 1515 1507 6.63      
25 A" 1281 1274 0.00      
26 A" 1227 1220 0.26      
27 A" 1149 1143 6.41      
28 A" 1023 1018 0.36      
29 A" 845 841 1.75      
30 A" 446 443 0.02      
31 A" 226 225 0.44      
32 A" 109 109 6.03      
33 A" 69 69 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 22953.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 22827.4 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 BLYP/3-21G
ABC
0.47930 0.04866 0.04532

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.053 2.535 0.000
C2 -1.335 1.023 0.000
O3 0.000 0.368 0.000
C4 -0.142 -1.101 0.000
C5 1.211 -1.674 0.000
N6 2.295 -2.126 0.000
H7 -1.999 3.100 0.000
H8 -0.471 2.804 0.894
H9 -0.471 2.804 -0.894
H10 -1.913 0.726 -0.898
H11 -1.913 0.726 0.898
H12 -0.691 -1.463 -0.895
H13 -0.691 -1.463 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53862.40963.74864.77945.73931.10201.10051.10052.19512.19514.11294.1129
C21.53861.48642.43543.70804.80502.18162.17222.17221.10881.10882.71892.7189
O32.40961.48641.47602.37393.38943.38572.63692.63692.14362.14362.15182.1518
C43.74862.43541.47601.46932.64414.59364.01924.01922.69832.69831.11051.1105
C54.77943.70802.37391.46931.17485.75314.86574.86574.04044.04042.11222.1122
N65.73934.80503.38942.64411.17486.76455.72295.72295.16245.16243.18683.1868
H71.10202.18163.38574.59365.75316.76451.79571.79572.54002.54004.83074.8307
H81.10052.17222.63694.01924.86575.72291.79571.78813.09992.52924.63174.2720
H91.10052.17222.63694.01924.86575.72291.79571.78812.52923.09994.27204.6317
H102.19511.10882.14362.69834.04045.16242.54003.09992.52921.79652.50703.0826
H112.19511.10882.14362.69834.04045.16242.54002.52923.09991.79653.08262.5070
H124.11292.71892.15181.11052.11223.18684.83074.63174.27202.50703.08261.7908
H134.11292.71892.15181.11052.11223.18684.83074.27204.63173.08262.50701.7908

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.590 C1 C2 H10 110.988
C1 C2 H11 110.988 C2 C1 H7 110.324
C2 C1 H8 109.673 C2 C1 H9 109.673
C2 O3 C4 110.590 O3 C2 H10 110.532
O3 C2 H11 110.532 O3 C4 C5 107.419
O3 C4 H12 111.823 O3 C4 H13 111.823
C4 C5 N6 179.688 C5 C4 H12 109.129
C5 C4 H13 109.129 H7 C1 H8 109.238
H7 C1 H9 109.238 H8 C1 H9 108.667
H10 C2 H11 108.222 H12 C4 H13 107.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability