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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-357.522039
Energy at 298.15K-357.529630
HF Energy-357.522039
Nuclear repulsion energy243.186411
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 TPSSh/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' 3133 3025 15.57      
2 A' 3088 2982 5.31      
3 A' 3063 2958 11.14      
4 A' 1575 1521 5.44      
5 A' 1561 1507 7.59      
6 A' 1460 1410 8.33      
7 A' 1413 1365 151.32      
8 A' 1376 1329 7.61      
9 A' 1142 1103 18.90      
10 A' 1095 1058 216.54      
11 A' 991 957 43.48      
12 A' 883 852 43.51      
13 A' 808 780 113.47      
14 A' 637 615 3.84      
15 A' 489 472 0.65      
16 A' 356 344 2.80      
17 A' 213 205 0.37      
18 A" 3157 3048 32.09      
19 A" 3130 3023 0.44      
20 A" 1554 1500 8.40      
21 A" 1297 1253 0.19      
22 A" 1169 1129 3.99      
23 A" 850 820 2.09      
24 A" 647 625 11.68      
25 A" 245 237 0.51      
26 A" 131 126 1.81      
27 A" 79 76 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 17770.2 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 17160.6 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 TPSSh/3-21G*
ABC
0.30804 0.07029 0.05850

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.131 -0.340 0.000
O2 0.000 0.650 0.000
O3 2.264 0.206 0.000
O4 0.797 -1.567 0.000
C5 -1.300 -0.091 0.000
C6 -2.346 1.027 0.000
H7 -1.357 -0.719 0.892
H8 -1.357 -0.719 -0.892
H9 -3.350 0.585 0.000
H10 -2.231 1.652 0.891
H11 -2.231 1.652 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.50271.25791.27182.44373.73592.67052.67054.57524.00774.0077
O21.50272.30762.35531.49642.37632.12422.12423.35042.60292.6029
O31.25792.30762.30133.57704.68323.84303.84305.62714.80574.8057
O41.27182.35532.30132.56394.07462.48092.48094.67164.50754.5075
C52.44371.49643.57702.56391.53091.09261.09262.15842.16732.1673
C63.73592.37634.68324.07461.53092.19572.19571.09641.09431.0943
H72.67052.12423.84302.48091.09262.19571.78492.54312.52633.0923
H82.67052.12423.84302.48091.09262.19571.78492.54313.09232.5263
H94.57523.35045.62714.67162.15841.09642.54312.54311.78391.7839
H104.00772.60294.80574.50752.16731.09432.52633.09231.78391.7818
H114.00772.60294.80574.50752.16731.09433.09232.52631.78391.7818

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 109.140 O2 N1 O3 113.126
O2 N1 O4 115.943 O2 C5 C6 103.427
O2 C5 H7 109.266 O2 C5 H8 109.266
O3 N1 O4 130.931 C5 C6 H9 109.366
C5 C6 H10 110.186 C5 C6 H11 110.186
C6 C5 H7 112.564 C6 C5 H8 112.564
H7 C5 H8 109.529 H9 C6 H10 109.038
H9 C6 H11 109.038 H10 C6 H11 109.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.488      
2 O -0.303      
3 O -0.254      
4 O -0.270      
5 C -0.202      
6 C -0.623      
7 H 0.240      
8 H 0.240      
9 H 0.220      
10 H 0.232      
11 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.148 0.075 0.000 3.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.345 -0.299 0.000
y -0.299 5.768 0.000
z 0.000 0.000 3.558


<r2> (average value of r2) Å2
<r2> 185.444
(<r2>)1/2 13.618