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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-56.081465
Energy at 298.15K-56.092293
Nuclear repulsion energy136.440557
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 HF/CEP-121G
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 3995 3645 42.29      
2 A 3862 3524 33.57      
3 A 3837 3501 46.00      
4 A 3251 2967 54.83      
5 A 3245 2961 70.80      
6 A 3186 2907 39.78      
7 A 3155 2879 21.86      
8 A 3144 2869 67.84      
9 A 1828 1668 418.75      
10 A 1778 1623 416.22      
11 A 1681 1534 5.75      
12 A 1642 1498 16.95      
13 A 1634 1491 8.07      
14 A 1605 1465 43.06      
15 A 1561 1424 6.89      
16 A 1557 1421 406.45      
17 A 1500 1369 35.80      
18 A 1418 1294 0.13      
19 A 1295 1181 16.45      
20 A 1283 1171 4.17      
21 A 1211 1105 37.52      
22 A 1157 1055 13.70      
23 A 1062 969 0.92      
24 A 959 875 3.01      
25 A 907 828 0.29      
26 A 837 764 150.55      
27 A 606 553 10.01      
28 A 598 546 217.81      
29 A 569 519 25.59      
30 A 560 511 0.29      
31 A 445 406 225.03      
32 A 384 350 0.11      
33 A 276 252 0.07      
34 A 212 193 7.65      
35 A 119 109 1.32      
36 A 76 69 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 28215.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 25746.6 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 HF/CEP-121G
ABC
0.28583 0.06570 0.05450

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.617 -0.210 -0.000
H2 -2.722 -0.836 0.881
H3 -3.428 0.511 0.000
H4 -2.722 -0.835 -0.882
C5 -1.263 0.513 0.000
H6 -1.194 1.151 -0.878
H7 -1.195 1.150 0.880
N8 -0.171 -0.465 -0.000
H9 -0.390 -1.436 0.000
N10 1.549 1.128 -0.000
H11 2.523 1.316 0.000
H12 0.909 1.883 -0.000
C13 1.174 -0.194 -0.000
O14 2.025 -1.108 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08621.08511.08621.53512.15602.15612.45942.54234.37575.36204.10073.79054.7282
H21.08621.75781.76362.17373.06272.50592.72432.56424.78295.73754.62154.04514.8357
H31.08511.75781.75782.16482.48382.48383.40023.60845.01496.00524.54884.65515.6883
H41.08621.76361.75782.17372.50583.06272.72432.56484.78245.73714.62074.04494.8358
C51.53512.17372.16482.17371.08831.08831.46642.13552.87853.87042.56822.53713.6661
H62.15603.06272.48382.50581.08831.75832.10562.84832.88083.82382.39422.86194.0305
H72.15612.50592.48383.06271.08831.75832.10572.84792.88163.82432.39542.86214.0304
N82.45942.72433.40022.72431.46642.10562.10570.99452.34463.22972.58521.37142.2881
H92.54232.56423.60842.56482.13552.84832.84790.99453.21414.00683.56401.99592.4367
N104.37574.78295.01494.78242.87852.88082.88162.34463.21410.99220.99001.37472.2865
H115.36205.73756.00525.73713.87043.82383.82433.22974.00680.99221.71112.02542.4747
H124.10074.62154.54884.62072.56822.39422.39542.58523.56400.99001.71112.09453.1931
C133.79054.04514.65514.04492.53712.86192.86211.37141.99591.37472.02542.09451.2492
O144.72824.83575.68834.83583.66614.03054.03042.28812.43672.28652.47473.19311.2492

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.361 C1 C5 H7 109.364
C1 C5 N8 110.029 H2 C1 H3 108.100
H2 C1 H4 108.539 H2 C1 C5 110.885
H3 C1 H4 108.102 H3 C1 C5 110.239
H4 C1 C5 110.881 C5 N8 H9 119.159
C5 N8 C13 126.740 H6 C5 H7 107.764
H6 C5 N8 110.140 H7 C5 N8 110.143
N8 C13 N10 117.253 N8 C13 O14 121.577
H9 N8 C13 114.101 N10 C13 O14 121.170
H11 N10 H12 119.366 H11 N10 C13 116.759
H12 N10 C13 123.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.516      
2 H 0.162      
3 H 0.160      
4 H 0.162      
5 C -0.082      
6 H 0.145      
7 H 0.145      
8 N -0.470      
9 H 0.367      
10 N -0.665      
11 H 0.367      
12 H 0.353      
13 C 0.269      
14 O -0.396      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.213 3.869 0.001 5.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.984 9.434 0.001
y 9.434 -35.758 0.000
z 0.001 0.000 -39.031
Traceless
 xyz
x -3.590 9.434 0.001
y 9.434 4.249 0.000
z 0.001 0.000 -0.660
Polar
3z2-r2-1.320
x2-y2-5.226
xy9.434
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.202 -0.409 0.000
y -0.409 7.131 -0.000
z 0.000 -0.000 5.203


<r2> (average value of r2) Å2
<r2> 167.846
(<r2>)1/2 12.956