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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-263.109262
Energy at 298.15K-263.117650
HF Energy-263.109262
Nuclear repulsion energy184.683405
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/TZVP
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 3939 3579 47.08      
2 A 3873 3519 49.83      
3 A 3820 3471 42.30      
4 A 3267 2969 28.08      
5 A 3212 2919 47.33      
6 A 3165 2875 50.73      
7 A 1928 1752 712.28      
8 A 1779 1617 155.75      
9 A 1647 1497 31.32      
10 A 1618 1471 22.61      
11 A 1614 1467 27.42      
12 A 1598 1452 39.49      
13 A 1521 1382 244.25      
14 A 1308 1188 1.85      
15 A 1250 1135 7.28      
16 A 1226 1114 49.86      
17 A 1172 1065 33.68      
18 A 950 863 6.59      
19 A 862 783 72.53      
20 A 642 583 35.63      
21 A 600 545 41.21      
22 A 550 500 115.00      
23 A 510 463 22.29      
24 A 400 363 195.29      
25 A 308 280 4.04      
26 A 182 165 1.63      
27 A 104 94 6.42      

Unscaled Zero Point Vibrational Energy (zpe) 21522.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19555.1 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 HF/TZVP
ABC
0.33581 0.14129 0.10207

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.869 0.117 0.001
H2 -1.889 0.831 -0.814
H3 -2.743 -0.517 -0.097
H4 -1.929 0.655 0.940
H5 -0.692 -1.402 0.656
N6 -0.660 -0.723 -0.089
C7 0.591 -0.121 -0.015
H8 0.267 1.746 -0.638
H9 1.682 1.478 0.128
N10 0.701 1.250 0.127
O11 1.586 -0.808 -0.044

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.08361.08381.08472.03021.47432.47162.76173.80562.81173.5764
H21.08361.74961.76362.92922.10942.77412.34933.75002.78733.9181
H31.08381.74961.76432.35692.09233.35813.80484.85933.87724.3382
H41.08471.76361.76432.41722.13722.80482.91623.79202.81653.9320
H52.03022.92922.35692.41721.00851.93283.53593.76933.04182.4552
N61.47432.10942.09232.13721.00851.39052.69403.22182.40682.2480
C72.47162.77413.35812.80481.93281.39051.99481.94151.38321.2088
H82.76172.34933.80482.91623.53592.69401.99481.63131.00912.9348
H93.80563.75004.85933.79203.76933.22181.94151.63131.00762.2943
N102.81172.78733.87722.81653.04182.40681.38321.00911.00762.2465
O113.57643.91814.33823.93202.45522.24801.20882.93482.29432.2465

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 108.247 C1 N6 C7 119.228
H2 C1 H3 107.647 H2 C1 H4 108.847
H2 C1 N6 110.167 H3 C1 H4 108.897
H3 C1 N6 108.788 H4 C1 N6 112.377
H5 N6 C7 106.261 N6 C7 N10 120.390
N6 C7 O11 119.572 C7 N10 H8 112.045
C7 N10 H9 107.557 H8 N10 H9 107.977
N10 C7 O11 120.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.165      
2 H 0.083      
3 H 0.103      
4 H 0.109      
5 H 0.257      
6 N -0.326      
7 C 0.380      
8 H 0.226      
9 H 0.250      
10 N -0.415      
11 O -0.502      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.874 2.339 -0.539 4.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.020 5.811 -0.910
y 5.811 -26.762 -1.858
z -0.910 -1.858 -31.948
Traceless
 xyz
x -2.665 5.811 -0.910
y 5.811 5.222 -1.858
z -0.910 -1.858 -2.557
Polar
3z2-r2-5.114
x2-y2-5.258
xy5.811
xz-0.910
yz-1.858


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.677 -0.258 0.083
y -0.258 5.799 -0.046
z 0.083 -0.046 4.242


<r2> (average value of r2) Å2
<r2> 117.475
(<r2>)1/2 10.839