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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-52.562176
Energy at 298.15K-52.569725
HF Energy-52.562176
Nuclear repulsion energy115.655957
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 B3LYP/CEP-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' 3137 3038 53.15      
2 A' 3053 2956 29.46      
3 A' 3007 2912 76.22      
4 A' 2994 2899 53.04      
5 A' 2272 2200 0.16      
6 A' 1530 1482 5.82      
7 A' 1511 1463 4.67      
8 A' 1502 1454 6.49      
9 A' 1441 1396 7.21      
10 A' 1422 1377 8.94      
11 A' 1372 1328 51.46      
12 A' 1138 1102 23.34      
13 A' 1084 1050 151.20      
14 A' 1014 982 16.82      
15 A' 946 916 11.95      
16 A' 861 834 8.41      
17 A' 531 515 0.03      
18 A' 400 387 2.21      
19 A' 285 276 1.72      
20 A' 126 122 2.16      
21 A" 3153 3053 58.49      
22 A" 3057 2960 28.24      
23 A" 3048 2951 86.76      
24 A" 1491 1443 9.03      
25 A" 1281 1240 0.30      
26 A" 1231 1192 0.56      
27 A" 1165 1128 9.58      
28 A" 1023 991 1.26      
29 A" 828 802 3.76      
30 A" 359 348 0.03      
31 A" 222 215 0.80      
32 A" 103 100 11.57      
33 A" 61 59 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 23322.8 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 22585.8 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 B3LYP/CEP-31G
ABC
0.48402 0.04768 0.04452

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.897 2.616 0.000
C2 -1.271 1.122 0.000
O3 0.000 0.363 0.000
C4 -0.212 -1.082 0.000
C5 1.122 -1.755 0.000
N6 2.174 -2.310 0.000
H7 -1.810 3.238 0.000
H8 -0.300 2.860 0.894
H9 -0.300 2.860 -0.894
H10 -1.859 0.852 -0.901
H11 -1.859 0.852 0.901
H12 -0.773 -1.405 -0.900
H13 -0.773 -1.405 0.900

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.54022.42453.76044.81435.80441.10491.10221.10222.20232.20234.12214.1221
C21.54021.48002.44463.74194.86242.18372.18232.18231.10941.10942.72802.7280
O32.42451.48001.46062.39693.44553.39692.66882.66882.12302.12302.12942.1294
C43.76042.44461.46061.49492.68394.60564.04274.04272.69492.69491.10871.1087
C54.81433.74192.39691.49491.18925.79004.91084.91084.06154.06152.12752.1275
N65.80444.86243.44552.68391.18926.82995.80055.80055.20335.20333.21193.2119
H71.10492.18373.39694.60565.79006.82991.79481.79482.55112.55114.84164.8416
H81.10222.18232.66884.04274.91085.80051.79481.78843.11212.54224.65094.2909
H91.10222.18232.66884.04274.91085.80051.79481.78842.54223.11214.29094.6509
H102.20231.10942.12302.69494.06155.20332.55113.11212.54221.80172.50443.0847
H112.20231.10942.12302.69494.06155.20332.55112.54223.11211.80173.08472.5044
H124.12212.72802.12941.10872.12753.21194.84164.65094.29092.50443.08471.8001
H134.12212.72802.12941.10872.12753.21194.84164.29094.65093.08472.50441.8001

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.770 C1 C2 H10 111.408
C1 C2 H11 111.408 C2 C1 H7 110.205
C2 C1 H8 110.254 C2 C1 H9 110.254
C2 O3 C4 112.472 O3 C2 H10 109.311
O3 C2 H11 109.311 O3 C4 C5 108.389
O3 C4 H12 111.220 O3 C4 H13 111.220
C4 C5 N6 178.920 C5 C4 H12 108.700
C5 C4 H13 108.700 H7 C1 H8 108.818
H7 C1 H9 108.818 H8 C1 H9 108.446
H10 C2 H11 108.590 H12 C4 H13 108.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability