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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-285.790460
Energy at 298.15K-285.798274
HF Energy-284.889229
Nuclear repulsion energy216.006236
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 MP2/6-311G*
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' 3186 3027 17.97      
2 A' 3093 2939 12.63      
3 A' 3039 2888 45.40      
4 A' 3031 2880 29.99      
5 A' 2210 2100 9.02      
6 A' 1572 1494 4.47      
7 A' 1544 1468 1.70      
8 A' 1540 1463 7.37      
9 A' 1480 1406 9.10      
10 A' 1442 1370 22.00      
11 A' 1414 1344 46.08      
12 A' 1186 1127 161.38      
13 A' 1174 1115 45.98      
14 A' 1075 1022 20.30      
15 A' 971 923 9.57      
16 A' 920 874 4.21      
17 A' 558 530 0.83      
18 A' 429 407 1.14      
19 A' 302 287 1.67      
20 A' 134 127 3.06      
21 A" 3195 3036 19.08      
22 A" 3083 2930 0.52      
23 A" 3076 2923 72.04      
24 A" 1523 1447 8.94      
25 A" 1331 1265 2.95      
26 A" 1292 1228 3.32      
27 A" 1215 1155 7.42      
28 A" 1054 1002 1.90      
29 A" 841 800 0.47      
30 A" 359 341 1.01      
31 A" 262 249 0.42      
32 A" 113 108 6.48      
33 A" 74 71 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 23857.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 22672.1 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 MP2/6-311G*
ABC
0.51729 0.05003 0.04682

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.931 2.532 0.000
C2 -1.236 1.049 0.000
O3 0.000 0.357 0.000
C4 -0.192 -1.029 0.000
C5 1.124 -1.686 0.000
N6 2.159 -2.223 0.000
H7 -1.859 3.108 0.000
H8 -0.352 2.797 0.886
H9 -0.352 2.797 -0.886
H10 -1.823 0.773 -0.889
H11 -1.823 0.773 0.889
H12 -0.745 -1.367 -0.889
H13 -0.745 -1.367 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51352.36573.63634.69125.67071.09261.09111.09112.16312.16314.00334.0033
C21.51351.41672.32553.61214.71522.15102.14982.14981.10051.10052.62112.6211
O32.36571.41671.39872.33113.36413.32052.61992.61992.07062.07062.07812.0781
C43.63632.32551.39871.47032.63664.46013.93043.93042.58802.58801.10051.1005
C54.69123.61212.33111.47031.16645.64594.80184.80183.93943.93942.09402.0940
N65.67074.71523.36412.63661.16646.67585.68285.68285.06205.06203.15543.1554
H71.09262.15103.32054.46015.64596.67581.77571.77572.49872.49874.69674.6967
H81.09112.14982.61993.93044.80185.68281.77571.77173.06782.50264.54394.1831
H91.09112.14982.61993.93044.80185.68281.77571.77172.50263.06784.18314.5439
H102.16311.10052.07062.58803.93945.06202.49873.06782.50261.77722.39642.9835
H112.16311.10052.07062.58803.93945.06202.49872.50263.06781.77722.98352.3964
H124.00332.62112.07811.10052.09403.15544.69674.54394.18312.39642.98351.7774
H134.00332.62112.07811.10052.09403.15544.69674.18314.54392.98352.39641.7774

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.633 C1 C2 H10 110.700
C1 C2 H11 110.700 C2 C1 H7 110.210
C2 C1 H8 110.200 C2 C1 H9 110.200
C2 O3 C4 111.378 O3 C2 H10 110.060
O3 C2 H11 110.060 O3 C4 C5 108.660
O3 C4 H12 111.952 O3 C4 H13 111.952
C4 C5 N6 179.085 C5 C4 H12 108.220
C5 C4 H13 108.220 H7 C1 H8 108.814
H7 C1 H9 108.814 H8 C1 H9 108.559
H10 C2 H11 107.701 H12 C4 H13 107.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability